Fred Miranda wrote: JaKo wrote: Fred Miranda wrote: JaKo wrote: BastianK wrote: JaKo wrote:
I maybe missing the point here (reading only 1st and last page of this post) but wouldn\'t be better to avoid all the hustle of modifying each lens for specific camera by just getting a brand spanking new, un-boxed A7R and sending it to Kolari for a mod?
If you live outside of north america: good luck with \"just sending a new camera to Kolari\".
Apart from that there are many other downsides:
Colors will be rendered differently
There might/will be a negative impact on lenses with short flange distance optimized for the A7 sensor (I am looking at you, Loxia 21mm)
If you ever decide to get a new camera (I know, won\'t happen to anyone here ) the whole process starts over
I do live within NA but outside US free shipping area (well, US postal address, US bank account, shipping address) but I get your point on this.
Colour rendering is easily adjustable within camera. No additional aids are needed aside from a clear white paper sheet. There are FM post related to it; check them out.
New cameras can be as unpredictable, usually better for adopted lenses. Let\'s see.
I am very early (2013) adoptee of mirrorless gear and few RF lenses and I still believe a single dedicated, converted camera maybe a better way to go.
Just follow the RF diehards - most move to better designed modern lenses for Sony format. Mods maybe temporary for very specific lenses to keep for a very short time to have
Are the Kolari colors issues related to color cast (temp/tint) or individual color changes?
If the later, a simple profile using X‑Rite ColorChecker Passport could fix it.
It really depends on how many m-mount lenses one would want to adapt. For those with many wide and ultra-wide M mount lenses, that could be the best approach.
For me, the ZM 35 is my only wide m-mount lens. I do see an issue with bokeh towards the corners at mid-distance using wide apertures. A simple filter combined with the right adapter (or adjusting the lens itself) could fix this. For landscapes, I would not worry about it since after f/6.3 FC is no longer an issue and the lens is sharp edge to edge with the stock A7RII.
Correct, some versions of Kolari thin filters slightly change colour. My v.1 filter (original, uncoated) simply required AWB edit in camera menu to A-B: A1 / G-M: 0
I modded my A7R the first week Kolari offered their thin filter conversion for this very reason; few RF lenses, specifically SEM21 and Lux 50. Now days Sony A7 series shooters have more choices when it comes to smaller and lighter lenses. Loxia series offers enough options to forget the mods altogether. I ended up selling SEM21 and dedicating modded A7R to ZM35, which is my single lens greatly benefitting from thinner sensor stack. IMO, for those who have only 1-2 RF lenses no wider than 35mm and want to get the best out of them on A7 series I would recommend A7RM2 as more forgiving in the A7 series. For wide angle RF lenses, please keep in mind that Kolari mod removes/reduces layers in optical path where Front-End Filters do the opposite.
Kolari images need changes in temperature, tint at around +20, + 35 respectively AND changes in individual colors as well. The latter could be solved by using a custom profile, which is easy to do with X-rite passport)
That same blog shows that the Kolari mod improves smearing towards the edges but does not completely fixes it. (when using the same lens on a Leica body)
Fred, I do recall reading Kasson\'s review and remember that no reviewer mentioned disabling lens coding on Leica cameras. That makes comparison with any other camera unequal as Leica applies processing to RAW images based on lens profiles. Also, Kasson is not the only one shooting Kolari finally modded cameras (his comment: \"posts on a prototype of the Kolari Vision thin-stack sensor\" ) and I don\'t see similar results with the same tested lenses on public forums.
We do have hundreds of images posted on FM with this lens on various Sony bodies; modded or not, and not many match Kasson\'s extreme outcome.
In any event, once again, photography is a process and experience showing our expressions. Gear is always on a way, images speak directly.
) the whole process starts over