carlic

NXL Canon 50mm F8 (sharpening test).

I would love to order one, but from the lack of sample photos is really hard to jump the gun. Can you paste more comparisons raws or send one to someone for a review?
Its hard to rely on early adopters to make and post tests. Thanks!

One with 50mm an aperture wide open and a subject in the foreground for like portrait work and bokeh representation. 
One shot with a lot of detail across the frame at its sharpest aperture, to judge edge to edge sharpness.
One contrasty with hard light in the background and wide open to check for any possible additional chromatic aberrations. Like through the fine braches of trees against the sun or such. 
Any additional example is a good example really. 

Thanks!

 

I would love to order one, but from the lack of sample photos is really hard to jump the gun. Can you paste more comparisons raws or send one to someone for a review?
Its hard to rely on early adopters to make and post tests. Thanks!

Luca can you create an album on flickr  and upload more pictures as reference? Im sure it would make even more people excited. Make it an open type and other users will be able to upload their samples as soon as they recieve it.
What do you think?

 

Ok. So the possibility of a smart adapter will be considered if and when there is enough funding? And it is not in the developement at the moment?
It would be great if you could buy a dumb adapter now, and later be upgraded to smart. It would help funding too, since the people would not be holding off for the possibilty of a smart one in the near future.

Ok. So the possibility of a smart adapter will be considered if and when there is enough funding? And it is not in the developement at the moment?
It would be great if you could buy a dumb adapter now, and later be upgraded to smart. It would help funding too, since the people would not be holding off for the possibilty of a smart one in the near future.

Luca I am starting to consider buying one. Since I also shoot with a canon 6D, I would like it to be compatible with canon lenses like the cheap 50/1.8. In order to do so, it would need it to be a smart booster for aperture and idealy AF control.
How much longer do you think it would take to develope the smart version, and how much will it add to the price?
I am planing a longer trip in december, will it be ready till then?

Thanks
 

Luca can you show a bit more pictures of the actual product itself? We understand that they will probably not represent the final finish quallity of the product, but as a tech I enjoi the machining aspects and looks.

Luca can you show a bit more pictures of the actual product itself? We understand that they will probably not represent the final finish quallity of the product, but as a tech I enjoi the machining aspects and looks.

This is how I understand things too. So by claming we will get from 1.8 a 1.4 lens is not correct at all. It suggests we are getting a better deal than we would with a FF to begin with.  Actually with a crop factor of 1.1 we will not even get 1.8, but rather something about f2.0. Still very good, but can be confusing for begginers. 
Tony has a great video on the subject:
For comparing iso performance, I find this a very usefull tool. By this example it supports what you said. The manufacturers often fudge with the displayed iso numbers while in fact you are shooting in 1 or 2 stops higher iso. This is why people complain on some noise on GH4 even at the native iso of 200. 
https://***URL removed***/reviews/image-comparison/fullscreen?attr18=daylight&attr13_0=canon_eos5dmkiii&attr13_1=samsung_nx1&attr15_0=raw&attr15_1=raw&attr16_0=1600&attr16_1=800&normalization=compare&widget=13&x=0.6879033935123559&y=0.7132297456677982

But yes from a crop shooter perspective, the difference would be like going from a 1.8 to a 1.4 aperture when replacing an adaptor with a booster. Off course the lens should be a FF to begin with. 
The same could be done to a FF body by adding a booster (if it exists), but you would need even bigger lenses, like the ones used on pentax medium format cameras, am I right?

Luca, I am a mechanical engineer from Slovenia and have a lot of connections for cnc part manufacturing since I design industrial machines.
Maybe we can try to work together to possibly cut the price down even more?

I also own an NX1, and have acces to a bunch of canon glass as well.
 
 
 

Ahh I see, I was under the imppresion you are printing plastic parts. From the link provided I understand that you are printing metal. Didn't read into it since I dont speak Italian, but looks similar to laser sintering. So the main body of the booster is printed or the internall smaller parts? 
I am curious why did you decide to 3d print it, since cnc milling can reach under 0.01mm accuracy these days? Is the geometry that complex?

I dont think the price is too high. Will I get one? Probably not, I dont have that kind of money to spend, since I dont use my NX1 proffesionaly. What I am dissapointed to hear is that for the price you will be using 3D printed parts. I have had quite a few parts printed for personal projects with hobby and professional 3d printers and the quallity was always poor. The only situation that I would use printed parts is when the shape is very hard to make on a cnc machines and quallity and mechanical properties are not a priority.
What is the actual focal reduction anyway?   Why is it in your opinion that metabones declares it is immpossible to make a booster for NX? 

I dont think the price is too high. Will I get one? Probably not, I dont have that kind of money to spend, since I dont use my NX1 proffesionaly. What I am dissapointed to hear is that for the price you will be using 3D printed parts. I have had quite a few parts printed for personal projects with hobby and professional 3d printers and the quallity was always poor. The only situation that I would use printed parts is when the shape is very hard to make on a cnc machines and quallity and mechanical properties are not a priority.
What is the actual focal reduction anyway?   Why is it in your opinion that metabones declares it is immpossible to make a booster for NX? 

Luca, I am a mechanical engineer from Slovenia and have a lot of connections for cnc part manufacturing since I design industrial machines.
Maybe we can try to work together to possibly cut the price down even more?

I also own an NX1, and have acces to a bunch of canon glass as well.
 
 
 

Is the lens really that close to the sensor? Is there any risk of damaging it?
Do you make your own glass or is it repurposed from another speed booster?

Thanks

So you are actually producing the glass on your own, and its not a repurposed speed boster glass from other brands?
What is the glass made of? I hope it doesnt include thorium, zirconium or similar isotopes that a lot of fast vintage lenses had to combat aberations?