Samuli Vahonen
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 p.599 #18 · ZE/ZF/ZM Images (Official Thread!) | |
carstenw wrote:
Every time you post Zeiss 85 shots, Samuli, I think that this should be my next lens.
 Thanks - since you have 100MP I don't think it makes much sense to get 85P. I almost never carry both of them with me at same time. The main differences from my point of view (and in order I find them causing 85P to have it's characteristics):
- 85P lower contrast in bokeh (black are not as black and colors due to that less saturate) [this is the optical character, what makes the biggest difference to me]
- 85P has less CA errors in bokeh areas very close to the plane into which user focused, or they are less visible (I have many 100MP photos ruined by having magenta cast behind subject and green cast in front of subject, mostly this is only issue on urban environment, I can't remember having ANY nature photos ruines by this, but fabrics, concrete/asphalt etc. can pick up this rather ugly)
- 85P @ f/2.8 is "as good as it get" for from bokeh point of view, while 100MP still struggles even at f/3.2 and sometimes even f/3.5 (if you shoot my stuff, e.g. mid distance forest shots the corners are constant issue - if I would shoot urban stuff this would be so easy to hide that this never would be any problem)
- 85P doesn't have practically any vignetting @ f/2.8, while 100MP vignettes more even at f/4 (concerns only mid and far distances, close-ups and macros don't vignette)
- from f/2.8 to f/8 there are no practical differences in details in the plane I have focused, at f/2 100MP beats 85P clearly, and diffraction eats less 100MP detail in f/11 (both suck as bad @ f/16) [the practical for me is A2 size prints, pixel peepers for sure find differences, but that is their problem, I could not care less pixel peeping, if I would like to get larger than A2 I anyway would shoot panorama]
- 85P focus shift, if mitigated doesn't cause any image quality issues
Jim, lots of good bridge shots, hard to name favorite since I liked both the f/9 shot as well as f/1.6.
alpenglowing, liked the shot with black bars and containers and some other stuff on background. The 2nd shot would have benefitted of using f/2.5-3.2 aperture (would have made the bokeh less nervous, unless that was what you tried to do)
Picture This!, your shot of woman and man in beach, I would assume you still used your old sharpening method on this (halo between the horizon "cliffs" and sky [making them look like they are photoshopped to photo] + lack of textures what should have been visible in 1280px wide image)? +1 to Edwards pop out comment
Jaan, 1,4/35 has crazy good bokeh @ f/1.6, there still seems to be some nervousness in bokeh, but if it's this small @ f/1.6, it should be gone @ f/2 or f/2.2. I really try not to get 1,4/35 but it's harder and harder to resists...
Dalmas, liked your mid aperture shots with 50P, even light was very boring on the cityscape in bokeh shots. The train shot, due to it's large distance, might have worked better at f/2 or even wider open for me (most probably for print & full screen viewing f/2.8 has enough separation)
joakim, liked 2nd of the black and white images, great work preserving people shape and volume (not turning them to cardboard people) even using black & white
reza187, "Stacks of magazines from the good old days" really good example of 1,4/35 bokeh again
Bob, great looking park with waterfalls you have there, liked most the 3rd from first set and best was the 2nd from second set
akul, liked your 3rd shot, the f/2.8 usage caused nice "contrast separation" between the chairs and background cityscape
kaycephoto, liked the 21mm shot, don't know exactly why but the "models" having just black and white and colors on background has something to do with it
I tried to repeat "guess which is 100MP and 85P" experiment (from page 515). Since last time the guessing was so difficult I decided to shoot this one on conditions, which are worst for 85P and should make guessing easier; minimum focus distance and using wide aperture (f/2.8).
However I didn't this time manage to do it well, last time I had to use EXIF to find out which is which, but now the differences are so obvious that I didn't even bother hiding them (=EXIF is there). Identifying is super easy this time, not for reason I assumed; 85P sucks close up, but because of other factors:
- white balance: colder WB = 100MP (last time the brown subject didn't make it so obvious)
- CA on both sides of focus plane: 100MP shows this much better, specially visible on 2nd scene (but both suffer from it)
Setup for photos; one flash from high and left of camera with VERY narrow snoot, tripod and subject on wooden floor and I tried to match field of views by using extra long (200mm) arca-swiss lens plate as focusing rail. First on both sets is 100MP and second 85P.
Scene 1 - Genelec 6010A (larger 100MP, 85P)
Scene 2 - RØDE Microphones (larger 100MP and 85P
Samuli
EDIT: link fix
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