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tomsemiterrific

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Posts posted by tomsemiterrific

  1. On 3/24/2017 at 8:22 AM, hyalinejim said:

    @Orangenz

    1. When using a view assist lut, are zebras and waveform based on the underlying V-Log, or on the lut?

    2. How is dynamic range in Rec709L versus V-Log?

    Cheers!

    Zebras and waveform are based on V-Log. 

    "Like 709" does not have the dynamic range. Outside shooting will be better with Log. But my own experience with "like 709" is that it has beautiful colors and is a top candidate for best "out of the camera look" for inside shooting, interviews, etc...if you don't want to grade.

    On 4/8/2017 at 5:15 AM, manueldomes said:

    When using a speedbooster, do you set the lens focal length to the actual focal length of the lens, or to the speedboosted one? So far I seem to be getting better results with the latter, but hard to confirm this...

    Probably answered earlier, but if not: focal length should be set to the length the speed booster creates from the lens. 

    So, if you have a FD 50mm lens with a 0.72 speed booster, the focal length you enter into the camera is 50 X .72= 36mm

  2. 2 hours ago, jonpais said:

    The functions of the wheels aren't reversible in the menu? They were on my GH4 and G85...

    Actually, they are. But the reversal is not in the Fn menu setting. It's a few items below it. Typical of the camera companies they do weird things. Why not have one category for all options? Nope. Can't do it. Put wheel options on another line, and put the options for the joy stick settings in the place you make the settings under one category (fn) and enable the option to make the joy stick settings in a completely different place in the menu.

    Who decides this stuff anyway?!? And Nomenclature---don't get me started!!

    The disp. function button is in a terrible place--right where you will want to hold the camera--especially if you have a fairly weighty lens, like the Sigma 18-35; and you can't disable it. So, instead of it being helpful, it becomes constant possible distraction.

  3. 49 minutes ago, Orangenz said:

    Uses non-standard lenses and adaptors, doesn't post example video, blames GH5 autofocus. Or something like that. 

    I'm actually preparing a video, but it really helps to read my post. Anyone who has had this stabilization issue on the g85/80 before the first firmware update will know what I'm talking about without any video--it's obvious. But I do plan to post as soon as it renders in Vimeo.

    :confused:

     

  4. 2 hours ago, Rava_Rama said:

    What lens are you using and also did u update GH5 firmare?

    I was using two lenses: Sigma 18-35 1.8, Canon 24-105 F4, with Metabones speed booster 0.64.

    GH5 has been updated, Metabones speed booster updated a few weeks ago.

  5. I'm having some jerky motions with the stabilization on my GH5, not all that different from the problems I had with the g85 stabilization before the first firmware update corrected it.

    What could be causing this?

    Anyone experience such problems and found a solution?

  6. I have been working with the color matrix adjustments found in the "other settings" or the C300 mk II. 

    I find it a bit mystifying. Do any C300 users have any suggestions about how to approach these adjustments and their expected effects on the image color? Any help would be greatly appreciated.

  7. I note that Sony does not make a battery grip for the a6500. The a6300 has several grips made by third parties--some of those claim they also work with the a6500. But do they? The one I ordered does not. Or better said, Sony won't let it.

     

    I ordered a grip branded Vivitar that worked--for a few minutes, but then the a6500 kept putting up a screen sign saying the battery grip was not an authorized product so something like that. I could block out the sign by a half shutter button tap and shoot, but the sign would then pop right back up again. Maddening!

     

    Frankly, I really like shooting with the a6500, but a battery grip make everything better regarding stability and control.

     

    Anyone have experience with a battery grip that actually works for the a6500?

  8. I was shooting with my 24-105 F4 Canon zoom with the new Metabones firmware---and it seemed to work fine. Then, out of the blue, three separate times while shooting yesterday it locked up and the F-stop froze at 2.5. The only fix was a shut down and restart. Anyone has similar issues with the 24-105 or other lenses??

    Everything else, so far, has worked fine. The Sigma 18-35 has worked better than ever.

  9. On 4/10/2017 at 7:22 PM, jonpais said:

    Before, Paul Leeming recommended setting zebras at 100% for the GH4 with Vlog; now he's suggesting 80% for Vlog with the GH5, 100% for CineLike D.

    So, Jon, how to you expose V-log? And do you expose Cinelike D the same way you'd expose Natural or Standard?

  10. 4 minutes ago, jonpais said:

    I asked Joseph why he wasn't aware that the Sony a6500 shoots 4K and he says something to the effect that he's not a camera reviewer and can't be expected to know about all the cameras out there. I just don't trust him. Even in Vietnam, I see dozens of people shooting with Sony a6XXX cameras every week, I meet other photographers, and naturally, we talk about gear. Doesn't Joseph have any photographer friends? 

    This is a relative world--not an absolute one. We only know quality and performance in one thing in relation to other things. I'm not a professional--just a very interested amateur who wants to get the best possible results with the equipment I have. And to me that means being abreast of what equipment is available and what its capabilities are. Most pros I know are almost constantly obsessively searching for equipment that will make things better and easier, and their loyalty is to results not a brand.

    I think I agree Jon. It's kind of weird when someone doesn't--especially a professional.

  11. 4 hours ago, Orangenz said:

    Answered twice already! :O

    Todays effort was according to the histogram and https://vimeo.com/212536737 there's clipped highlights there and although you'd actually expect them to be it's still kind of annoying. I had better results I think the other day when exposing for the sky and boosting the shadow slider. At 400 iso I didn't get any noise from doing that at all. So I'm thinking half to one stop under but watch what the zebras are doing (which I didn't today). 

     

    I shot with the waveform yesterday--without the view assist, and highlights were pretty well controlled. But I note over all I tend to over expose standard rec. 709 by just a bit.

    Exposing for the sky sounds like the way to go. Maybe in this case the histogram will work better than the waveform. What is your zebra setting?

    Still confused about the relationship between the View Assist LUT the actual exposure results in the V-log. I'm willing to experiment, but I'd like a good starting point.

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