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GoPro 3 exposure lock petition


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Posted · Report post

Hi all,

please join us to improve GoPro 3 with our GoPro 3 exposure lock petition. Thank you.

 

Text of the petition:

We, the GoPro3 users, would like to ask you if you could enhance the GoPro camera with exposure lock functionality. GoPro is a wonderful camera, however, inability to lock exposure can cause side effects that can be noticed in the following video: http://www.youtube.com/watch?v=qFMCWAqY_Io. We would also appreciate full manual control over ISO and exposure, but we all hope that you could add at least the exposure lock function. Thank you very much.


http://www.ipetitions.com/petition/gopro-3-exposure-lock/
 

Zach, GoatheSeajets and peederj like this

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Posted · Report post

This is funny.  You have a camera the size of a pack of gum that packs 5x the ability of most cameras on the market at double the gopro price and you ask for more.  Be patient, I'm sure they are aware of all issues, and it takes time.  You breathing down their next will do nothing but create a hiccup in their progress.  There are FAR more important issues that need to be addressed long before an exposure lock.  Poor battery life, turning on automatically, charging issues, and don't forget about the app that lags for 5 seconds and doesn't provide live preview.  Now that foxconn bought a chunk of gopro, they will be one of the greatest cameras ever, or will come stock with every iphone.

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Posted · Report post

I do not have any of issues you have mentioned - it is mostly related to first series of GoPro 3 Black. And it is funny that you want better battery life if you record 2,7K in 45Mbit/s with camera size of pack of gum (I will buy 2 Wasabi bateries with charger for 25 bucks instead). ... And lack of exposure lock is not an issue - it is lack of functionality - same as 5DmkII had after it was released without manual exposure/aperture control. 

Lag of 5 second is partly caused by the smartphone/table itself. Android devices has shorter lag (about 2 second) than IPhones/iPads.

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Posted · Report post

I do not have any of issues you have mentioned - it is mostly related to first series of GoPro 3 Black. And it is funny that you want better battery life if you record 2,7K in 45Mbit/s with camera size of pack of gum (I will buy 2 Wasabi bateries with charger for 25 bucks instead). ... And lack of exposure lock is not an issue - it is lack of functionality - same as 5DmkII had after it was released without manual exposure/aperture control. 

Lag of 5 second is partly caused by the smartphone/table itself. Android devices has shorter lag (about 2 second) than IPhones/iPads.

 

a lag is a lag is a lag, and I don't always shoot 2.7k and I also have multiple batteries. 

the fact is, the camera hasn't even been out 6 months yet, let them do their job.

if you want a game that has exposure lock, buy a camera that cost more than $400

they didn't cheat you out of anything, because "exposure lock" is not mentioned as a feature.

and you may be wasting your time if it isn't even possible. so like I originally said, there are several other

issues that need addressed before exposure lock.  and there are issues that others have that I ddin't mention.

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Posted · Report post

also, you and a handful of others may in fact have a bad batch of the hero 3, I haven't noticed such an issue, so I guess I can say "I do not have any of the issues you have mentioned" so I have no need to sign, and I will leave it up to gopro to address the issues which i'm 99.9% sure they are MORE than aware of. 

 

Have you tried a simple e-mail or phone call? Or did you just shoot sraight to a pitition? 

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Posted · Report post

Why do you need a petition for this? If it's a bug they'll fix it.

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Posted · Report post

+1 for moongoat 

 

I'm gonna guess it's all for a chance to say "I got the problem fixed"

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Posted · Report post

OK, there is no need to be so offensive.

I just think that if you can have manual control in video mode in Nikon P300 (which is quite cheap compact camera) you can have (even more) simplier feature in GoPro. GoPro is used in lot of professional production and I think that is the reason why GoPro has added features like protune and high bitrate - but it seems they forgot on this very important feature.

I agree that the GoPro may add this in near future even without this funny petition - but please realize that lot of users of first and second generation wanted this function too - but without success. I also think that issues you have mentioned can be caused by hardware of earlier batch of GoPro's 3B. If they would be software issues - they should occure in all GoPro's (?). 

 

Just FYI - I have spent about 15 minutes on estabilishing this petiton. 

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Posted · Report post

A. gopro will adress this feture if they see fit

B. gopro may not care that this feature is missing

C. gopro sales will not be affected by this

D. gopro will still be used in professional productions with or without this feature

E. gopro isn't a sony, nikon, canon, or panasonic, their issues will take a little longer to sort out

F. maybe they are saving this as marketing plan for the Hero 4? (much like iPhone saves features for later that they are more than able to offer)

If you put EVERY single thing possible into one camera, how would they ever be able to sale a hero 4?

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Posted · Report post

I am totally with the op. This is absolutely the most glaringly offensive lack of a feature on this camera. 

 

Is there seriously harm in asking for a simple feature to be added? This is the 3rd overhaul of the camera, still no exposure lock

peederj and Pavel Mašek like this

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Posted · Report post

I am totally with the op. This is absolutely the most glaringly offensive lack of a feature on this camera. 

 

Is there seriously harm in asking for a simple feature to be added? This is the 3rd overhaul of the camera, still no exposure lock

 

 you must not understand

if the company feels like fixing it, they will

obviously they are a CAMERA manufacture.  they know what their capabilities are

 

has the exposure glitch been tested in regular/wide/fish and has it been tested and ran through on EVERY setting of the 

camera?  

 

like I said, if they NEVER address this issue, sales still won't be affected.

 

I personally think they camera does an AMAZING!!!! job of being able to  have a VERY balanced exposure of the sky and the ground without blown out highlights. and if I had to guess, THIS is the reason you will never have an option for exposure lock.  Can you find me another camera on the market that can do this without an ND filter or post correction?

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Posted · Report post

Geez, why so offensive about a little feature request. 

 

It is not a bug, it is just a very simple software feature that is not there and should be pretty easy to add.

Just like a smartphone, the standard camera app doesn't have exposure lock most of the times. Many 3rd party apps do.

 

Most GoPro users won't care for exposure lock or don't even know what it is. They just want to press a button and end up with a good looking video. Which is what the GoPro does.

 

But if you want to mix GoPro video with your dslr footage it would be nice to be able to lock the exposure. That's all what's being asked for here.

 

With adding exposure lock GoPro is not going to cannibalize any of their own products, it would just make the product better and they'd probably sell more of them. To me for example...

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Posted · Report post

Geez, why so offensive about a little feature request. 

 

It is not a bug, it is just a very simple software feature that is not there and should be pretty easy to add.

Just like a smartphone, the standard camera app doesn't have exposure lock most of the times. Many 3rd party apps do.

 

Most GoPro users won't care for exposure lock or don't even know what it is. They just want to press a button and end up with a good looking video. Which is what the GoPro does.

 

But if you want to mix GoPro video with your dslr footage it would be nice to be able to lock the exposure. That's all what's being asked for here.

 

With adding exposure lock GoPro is not going to cannibalize any of their own products, it would just make the product better and they'd probably sell more of them. To me for example...

Thank you for the support, guys! I think that some feature update firmware is possible - just take a look on Go Pro 2 which received Protune mode (I think big feature) almost at the end its production. They could wait on GP3 with that.

GP3B is great camera and I would like to use it also on wide angle landscapes shots (it has way better resolution than my 5DmkII on wide angles). But the exposure flickering is not really what I would like to see ( http://www.youtube.com/watch?v=qFMCWAqY_Io ).

I have sent email to GoPro and asked them if there is any chance that they will add exposure lock feature in the future. I am still waiting for the answer... Anyway I do not think that this petition will have more than 50 signs (most of them are seems to be fake now), but I can say that I have tried something.

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Posted · Report post

And here comes the answer from GoPro support:

 

 

 

Hi Pavel,

Thank you so much for your feedback. We will definitely pass that on to our development team for consideration in our future products!

They have not said anything about coming out with something like that at this time.

To be kept up to date on any new product releases, please be sure to sign up for our online newsletter:

http://gopro.com/newsletter/

Please let us know if you have any further questions.

Many Thanks,
Brandon R. 
GoPro Support
gopro.com/support

 

 

Well it seems that we really have to wait on GP4 :-(

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Posted · Report post

so, was making a patition to begin with worth it?

It was your attempt to feel like you acomplished something, just like everone does with a petition.

 

a simple e-mail or phone call will get you results quicker than trying to force the system.

 

you guys are REALLY missing the BIGGER picture.

 

if it's something they wanted, it would already be on there, or they are saving it for the hero 4

 

   

 

 

 

 i've never looked into the possibilites, but if people (hackers) really felt this was a end of the world feature, they would already be trying to hack the ability to it. it's a $400 camera, leave it at that.

As a "$400 camera" it does everything I need it to, and then some.

 

why is this even a discussion anymore?

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Posted · Report post

I've wanted to since version 1. Its not here on version 3. We want it and there is certainly no harm in asking for it. Its only a discussion because you are making it one. If you dont need the feature there is no need for you to weigh in on it. We all want the feature, so we are going to ask for it. 

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Posted · Report post

@zach

 

and you can't agree that there may be a reason they don't/can't/wont add it?

 

you ASSUME it's a possibility.  just as we ASSUME each new Canon won't suffer from moire, yet it does.

 

my next question is, if the HERO 4 doesn't have a exp. lock, will you refuse to buy it? be honest

lets just pretend what MIGHT be possible of the HERO 4....144mbs or more, true 4k, raw, 4 hour battery, and a new interchangeable lens system.  will you NOT buy it if there is no lock? 

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Posted · Report post

@zach

 

and you can't agree that there may be a reason they don't/can't/wont add it?

 

you ASSUME it's a possibility.  just as we ASSUME each new Canon won't suffer from moire, yet it does.

 

my next question is, if the HERO 4 doesn't have a exp. lock, will you refuse to buy it? be honest

lets just pretend what MIGHT be possible of the HERO 4....144mbs or more, true 4k, raw, 4 hour battery, and a new interchangeable lens system.  will you NOT buy it if there is no lock? 

144mbs 4K would be useless if you have flickering image in some situation. So I would probaly wait on GP5 :-)

 

Why did they add Protune into GP2? 

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Posted · Report post

to test it before it got mass produced into millions of Hero 3?

 

no, to add 24p, 35mbs, CineStyle maybe?, and a flatter image better for grading, instead of crushed blacks.

 

have  you tested for the flciker with protune on & off? and a 24/30/48/60/120, and then the variety of those settings combination with 720,1080,2k

which I think is like 30+ different setting combinations to experiment with.

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Posted · Report post

That's a pointless comparison. Exposure lock is a simple software feature, most $100 point and shoot camera's can do it. Plenty of smartphone apps can enable it in cameraphones.

 

The fact that most dslrs have moire in video mode is much more complex and not easy to fix (unless you make a camera that is aimed at movie instead of photography). It's hardware related. Exposure Lock isn't.

 

There aren't many arguments to have no exposure lock. They don't have to protect anything in their line up. It is probably not there because of most users don't care. Although it is a bit weird since there is something like ProTune.

 

Anyway, the whole ProTune thing shows that GoPro doesn't mind adding functionality to and end of life product. Exposure lock is a very small upgrade compared to ProTune. Both in functionality and and effort required to add it.

 

and you can't agree that there may be a reason they don't/can't/wont add it?

 

you ASSUME it's a possibility.  just as we ASSUME each new Canon won't suffer from moire, yet it does.

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Posted · Report post

@Julian

 

you must have missed my post about the possibility that they don't offer it is because how the GoPro can pretty much expose for the highlights and shadows automatically with pretty impressive results.  The fact that you can see clouds and other detials in a sky, and green grass/trees and whatever else without having blown out highlights or underexposed landscape.  I'm sick of people assuming this is a possibillity.  If you guys aren't happy with it, start your own camera company.  let the EXPERTS do what they do.  I for one have NEVER had this issue, and i'm sure there are a million people that have never had this issue, nor do they care.  This topic is becoming very polluted with ignorance.  It's give me give me give me, with no considerion of "maybe there is a reason..." even if it is a "easy software addition"  it may comprimise the performance of the gopro. 

 

get over it people, if they add it, they add it, until then, it's pointless to keep going back and forth with our theories.  The issue has been addressed to them, whether they acknowledge it or not is up to them.  NOW GO SHOOT SOME VIDEOS, and stop worring about things that are out of your control.

 

also, the BMCC is aimed at movies and not photography, and it has moire.

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Posted · Report post

Everything is subject to aliasing at some level or another. You might not notice it but even your eyes alias sometimes. Pay attention next time you look at something like a fire grate/protector round an open fire place or anything else with multiple layers of the same fine pattern in your vision. Canon DSLR's exhibit a revolting amount of aliasing and moire but to expect literally none ever is absurd. 

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Posted · Report post

 Be patient, I'm sure they are aware of all issues, and it takes time.

 

If everyone's patient and quiet, how will they be aware of the issues?

 

It's a petition, if you don't find it important then don't sign it, ignore it, move on.

 

If enough people do sign it though, it might shift their priorities, most companies do care about keeping their customers happy, and we're talking about a simple software upgrade, not a cumbersome hardware change that would affect manufacturing.

 

If they don't want to do it then they won't, but the least one can do is try to open up a dialogue, nobody's saying it's a bug that needs to be fixed, nobody's demanding them to do anything, he's just asking nicely, why all the hate?

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Posted · Report post

Sod waiting for Gopro to wake up ! get the sodding thing hacked !!!!

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Posted · Report post

I really don't get why this request has gotten such vitriol from other members here. It's a simple feature and one that makes this camera more useful and reliable.

 

First off. Why do we want it?

 

Think of a situation like this: 

 

You have a scene that starts out in the dark, and then you go outside. You want the dark to be... well dark. But when you record with the firmware as is, then it pulls up the exposure so that the inside is as bright as the GoPro sees fit. And when you get outside it spends a few seconds in blinding white light. Before pulling the exposure back down again. 

 

Can it be fixed in post? maybe. If the outside light-levels aren't completely clipped then some fudging can be done with keyframes to get a desired result. 

 

Then we have the problem of noise. When shooting in dark places, the camera doesn't just add exposure without cost. It's applying gain to the signal-chain and that brings up noise. and while I can reduce the exposure in post, I still have unwanted noise... and not only that. It's a noise-floor that fluctuates. If I have an indoor scene panning across a light, we get a noisy scene where the noise-floor is high at the dark times and low when in lit times. In the same clip. This makes it impossible to make a proper noise-profile for my denoise-system because if I make the profile for the noisier frames I kill detail in the lit frames. And if I do the noise-profile for the lit part, then the noise in the dark frames is not cleaned up properly. Only option then is to make two noise-profiles and then keyframe between them in some way. This is totally unnecessary work.

 

Also. While 2.7K 24fps is very clean even when doing shooting in relatively dark places with this camera (and downscaling it to 1080p averages out even more noise), something like 720p 120fps has only at most 1/120 second to get it's light, compared with 1/24 seconds in the highest resolution. So while a scene might be shot satisfactoraly in 24fps. In 120 fps the camera only gets a fifth of the light to play with per frame. So it will have to increase the gain on the video signal 5 times as much as with 2.7K.

 

And couple high noise-level with pretty agressive compression like the h264 that the gopro uses we loose detail even if we were to adjust the exposure in post.

 

Compounding the issue further is that to keep with the 180 degree shutter rule we should actually only be shooting at at most 1/48 while in 24fps and 1/240 while in 120fps to have images that have the same motion blur characteristics as film. That's halving the amount of light once more. 

 

 

 

Another scenario to illustrate the point. In a room of pitch black you film a guy that sets off a flair gun that shoots through the room in 120fps to be slowed down to 24 fps.

 

In the current firmware with auto-exposure it would first try to open up the shutter as much as possible (1/120) and when that fails to produce an image that the camera wants (remember, I as the DP might want it to be pitch black, but I'm not consulted by my camera in this matter) it then starts putting gain on the video signal. And at some point it will get an image that is somewhat right according to the meters, but be just a mess of noise and static that is devoid of any interest. Then when the flare shoots off, the camera is caught by surprise and is totally blinded because it has set itself up to record darkness as mid-grey. This results in a couple of seconds of total clipping and then maybe we'll get an image that I want just as the flare dies out. And all of this mess in 5 x slow-mo.

 

This is not fixable in post. Not in any way no... time wasted filming and storage wasted on the card.

 

With an exposure lock the camera would be forced to record black as black (I don't care what it's meter says, it can't look into the future to see what is going to happen, so it can complain all it want), the flare is then already exposed for, so it flies out in a beautiful cascade of fire-hazardous situations. And then it dies out. And the image goes dark again. DP is happy. And my camera now understands that I knew what I was doing.

 

 

Or during the winter I actually toyed with the idea to put the GoPro under the ice to film how light seeps down when cracked. Again. It would start out in darkness and only a while into the clip would there be any light. I never did film that, though it would be interesting to see. Because I knew it wouldn't be filmed in a pleasing manner that I could use...

 

 

 

I can see that adding a feature like exposure lock might be a bit daunting since it is a camera that doesn't come with any sort of viewfinder. The LCD-backpack is not included and can't be used with the battery-backpack. And the app lags and drains the cameras battery with the WiFi. And what I think they are assuming is that an exposure lock could make it so that too many users use it by accident and therefore will give GoPro bad word of mouth. Far more people than would actually love the feature. So "The needs of the many outweigh the needs of the few", so to speak. But I think they are underestimating their buyers. And I think that the feature could be hidden enough so that the normal run-gunners wouldn't have to see it (I think most people don't stray too far into the menu-system as it is). 

 

But then again... Why did they add protune, 2.7K and cine-modes if not to cater to those with a bit more needs than the normal users? 

 

I see a few way this could be implemented: 

 

  1. While recording, press "mode"-button. The button as it is does nothing while recording, so it is open for usability. When pressed, the exposure is locked as it is right now. This way I can start recording in a situation where it is lit as it will be later, and then after locked, I can kill the lights and yell ACTION. I guess this could even be done without having a separate menu toggle. Because... how many people accidentally press mode during recording? And we could restrict it to only function while cine-modes and protune is on.
  2. A menu toggle that locks exposure at record start. Could be used the same way as ¤1 to shoot dark scenes that should start out dark. When record stops, the camera goes back to auto-exposure. When record starts again, it locks again wherever it was when I pressed record. This will also help keep the exposure consistent when panning over dark places or going through shorter tunnels. And your colorist will love you for it. ;) , and it's probably the simplest one to implement.
  3. Double-press record. When I record, I press once for exposure-metering. Then once again to start record. A third press stops recording and then the process is looped when continually pressing record. This is so that you don't have to waste storage on black video. Since I have separated the act of exposure and recording by time. 
  4. Long-press record. Like ¤3, but instead of clicking once and then once again. We do a long-press (like on smart-phone, press and hold for a couple of seconds) to do a light-meter-exposure lock. then hit record with a sub-two second press to start recording as normal. once more do a short press to stop recording.
  5. Only make exposure lock available when using LCD-backpack or the App. This way, even the run-gunners would be able to see that something is not automatically adjusting the exposure. And with the inclusion of zebra and false colors we could get really creative and finetune it all to our utmost desire. You could even start exposing for different zones. But this gets very complicated very fast and we don't want to bog down the release-date of this feature with time spent on un-needed sub-features.
  6. Full manual mode where I have to specify Gain and shutterspeed in menu, (does it even have a variable iris? if so, then it too should be manual). Or the gui in the app or while having the LCD-backpack on.
  7. A combination of all the above.  
  8. A separate "pro" firmware that only advanced users would download and use. This off course is the least likely solution since we then get a situation where they need to keep two editions up to date and acceptably free of bugs.
  9. Releasing an SDK for tweakers to modify as they see fit. Keeping firmware-updating triggering off-limits so that a tweaked firmware won't brick a gopro and make it unable to reload the official firmware. This would be unheard of, of course... but then again. GoPro don't actually have to do the tweaking themselves. the tweakers and adventurous users can do just about anything they want, without having to bog down the official gopro development. And if there's a feature that tweakers come up with that GoPro wants... then they can buy the rights for that snippet of code to be included in the official code. I call these coders "Tweakers", because this would be code-tinkering that is completely sanctioned by the original developers. Not hacking. This would also keep the tweaking from being bogged down with having to reverse-engineer everything like Magic Lantern is forced to do.

    I see the problem of security in this too. Since it would open up ways for people to steal the code and then sell it to competitors. But I guess it would be possible to open up some of the code for tweaking without making it too easy to steal the "classified" parts. So I file this one under plain wishful thinking... though I would love it if someone actually tried it. Sort of like the Raspberry Pi. They sell the hardware and then users can modify it with code and stuff to their hearts content. 

options 1-4 are basically semi-auto features that I think are the most likely and entails the least amount of extra effort. And they are solutions that uses only the stock hardware. 8 is unlikely, and 9 is just wishful thinking.

 

Again. I fully understand that exposure lock should be an option, and not something that is auto-applied when latest update is released. All to minimize risks of having tons of mails going to GoPro about "Broken" cameras that won't auto-expose like they expect it to. And this could be included by the same motivation that they included cine-modes and protune.

 

 

Another feature I would love that is related to this is some way of limiting the auto-exposure. Since most of the time the problem of not being able to fix in post comes in when shooting in the dark we could have a limiter that refuses to gain the signal after a certain point and refuses to open the shutter beyond 1/48. This would also help out us that does weird shooting and we'd still have normal auto-exposure when shooting in the normal sunny days. Though exposure locking does take priority if there is a choice between the two.

 

---

 

Then I would also like to share a couple of correspondenses I've had with gopro. I have basically asked about exposure-locking twice now by mail. And the first answer I got in march 5th 2013 was a bit puzzling: 

 

 

Hi Johan
Thanks for your interest in GoPro!
 
The features you mentioned in your email are, like you said, almost a broadcasting standard.  As a result, at this time they are not likely to be incorporated into the camera.  While we have ideas like this on the radar, to get all of these features packed into a $400, waterproof, lightweight, and durable package is not extremely likely at this point.
 
We will add your recommendations to the list of requested features. This has been requested before and I am sure will be requested again.  Thank you for taking the time to provide us this valuable feedback.
 
 
Many Thanks,
 
Simon
 
 
GoPro Support
www.gopro.com/support

 

Again, why then include 2.7K and Protune and other production level features? ;)

 

And then a couple of months later I asked again about the same thing and in june 5th 2013 I got this reply:
 

Hi Johan, 

Thanks for contacting GoPro Support.  Sorry to hear about the problems with your HERO3 camera.  

We appreciate the ideas you've proposed.  Exposure controls may be something we'll implement in the future.    

To be kept up to date on any new product releases, please be sure to sign up for our online newsletter:

http://gopro.com/newsletter/

Please let us know if you have any further questions

Many Thanks,
Ryan W
GoPro Support
www.gopro.com/support

 

So the possibility has been upgrade from a total no, not at this price-point, to a "Exposure controls may be something we'll implement in the future.". And following this trajectory it could even be done by the next firmware... Again wishful thinking. But at least they have loosened their stance about it and I am glad that I am not the only one that has been thinking about it.

 

So after this overly long and rambling first post I'll say good bye for now, and please don't strike down on feature requests... sometimes a feature might have been overlooked by the developers as a possibility, and if no-one's telling them about it... then why should they look into it? If it wasn't for feature requests I doubt that gopro would even exist at all. 

 

Also, I know that GoPro's are, despite their name, essentially mainly selling to regular consumers, not pro's. So we aren't the biggest chunk of the market. But the only competitor that has what GoPro has along-side with the ability to exposure-lock is the Novo... and that is literally "just" a tweaked out gopro that isn't waterproof (since they implemented a lens-mount) and rents for twice as much per day as a stock Gopro 3 Black, And I don't even know if the lenses are included in that package... Novo won't sell these suped up versions. They only rent them. So there's not that many others that we can ask this feature of... and it's just firmware... not a full hardware-mod that the Novo is. And it's a simple feature too, most likely. It's not at all like if we would be asking for 300fps 4K continuous shooting. Because we would probably have to shoot not just under water for that to work but in a tank of liquid nitrogen. Exposure lock is just temporarily suspending the auto-features. If anything, it should be even less taxing for the hardware then full-auto. Again... I fear I am rambling. So I'll stop right here.

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