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C/Y Zeiss Image Post
  
 
mMontag
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p.4 #1 · p.4 #1 · C/Y Zeiss Image Post


Does anyone have any information and possibly images from the C/Y 100/3.5 - I understand it's quite small - interested in it's landscape abilities. Thanks!


May 31, 2010 at 02:04 AM
Samuli Vahonen
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p.4 #2 · p.4 #2 · C/Y Zeiss Image Post


mMontag wrote:
Does anyone have any information and possibly images from the C/Y 100/3.5 - I understand it's quite small - interested in it's landscape abilities. Thanks!


Hi, since I have had 100ZF or 100ZE all the time I have not used my Contax Sonnar T* 3.4/100 much. I have checked few times it side by side with 100ZE/ZF and it for landscapes and panoramas closed down to f/5.6 I have not seen differences to 100ZE/ZF in middle of image, maybe slightly more contrast. On borders 100ZE/ZF is slightly better (also can be seen from MTF-charts). However keep in mind that 100Z* is most probably one of the best 100mm lenses manufactured ever.

Bokeh is very neutral and smooth, only issue is that it has hexagon shaped aperture. However it's VERY good wide open, and used wide open aperture is of course round.

PDF with MTF etc. is here. For some reason it's only available in German, therefore cannot be found from English website.

Samuli



May 31, 2010 at 05:47 PM
Samuli Vahonen
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p.4 #3 · p.4 #3 · C/Y Zeiss Image Post


Actually found 2 examples I had posted earlier

f/11:


test shot f/5.6 (sorry about ultraboring subject, had to have planar subject for testing sharpness of CZ100ZE, Contax 3.5/100, Canon 100IS, Contax 80-200, Leica 80-200 - for me all of them are sharp enough but friend needed to know) - image is like Aperture processes it, only reduced exposure by 1/3 stops since the snow was blowing due to my accident of selecting shutter speeds for test apertures based on Canon 100IS which light transmission is at least 0.5 aperture less than in Zeiss & Contax lenses:


crop of f/5.6 shot (this is not sharpened, actual pixels as sensor sees it - notice! do not compare to camera JPG or DPP processed photos, they are always to some extend sharpened):


Samuli



May 31, 2010 at 06:14 PM
mMontag
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p.4 #4 · p.4 #4 · C/Y Zeiss Image Post


Samuli,

Thanks for the response. I'm looking to put together the smallest/lightest 2-3 lens FF kit for backpacking - the next 4 months will be mostly high alpine. I've been very happy with the size and versatility of the V-S 35-70 and looking to add a Contax 28/2.8 and possibly a 100/3.5. IQ of both of those lenses stopped down are very encouraging and Zeiss-like.

Right now I'm using a 24 TS-E, 35-70 and Canon 70-200 or 90 TS-E - great kit but too heavy - I have a 24-85 N at Conurus. I find anything wider than 24mm is too wide so 28mm should be ideal. I had the Z 28/2 but sold it - too bad - loved that lens. The Contax N 70-200 is nice and small and a little lighter than the Canon.



May 31, 2010 at 07:18 PM
Samuli Vahonen
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p.4 #5 · p.4 #5 · C/Y Zeiss Image Post


mMontag wrote:
Samuli,

Thanks for the response. I'm looking to put together the smallest/lightest 2-3 lens FF kit for backpacking - the next 4 months will be mostly high alpine. I've been very happy with the size and versatility of the V-S 35-70 and looking to add a Contax 28/2.8 and possibly a 100/3.5. IQ of both of those lenses stopped down are very encouraging and Zeiss-like.

Right now I'm using a 24 TS-E, 35-70 and Canon 70-200 or 90 TS-E - great kit but too heavy - I have a 24-85 N at Conurus. I find anything wider than 24mm is too wide
...Show more

For your usage, if long length of lens is not problem is Contax Vario-Sonnar T* 4/80-200 C/Y, it's still quite light. Very Zeiss like rendering. If you don't like it you won't loose much, I paid 180EUR from mine and it's like new.

I'm actually using it my main lens above 100mm where ZE series lenses end at the moment (really hoping 180/4, 200/4 or 250/5.6 or SOMETHING from Zeiss...).

Some 80-200 images:

f/11


f/8


f/11


f/8


f/4



For wide end, for myself 28 doesn't work well with 35. They are too close in field of view. I would rather use Contax Distagon T* 2.8/25 C/Y, combined to 35-70 (well, I did last summer...). Some thing that this lens is not sharp and has corner issues. I don't know maybe I got exceptionally good copy, but I have no such problems. Lens has curvature of field like it's never version 25ZF. If you end you buying this lens then I would recommend to make 110% sure you get Japan version - there was design change and the old version is not good. Distagon 25 is actually 25.9mm so there is not THAT much difference to 28mm, but enough that at least for me it works much better with 35-70. Some samples below:

f/11


f/11


f/8 HDR


f/2.8


Samuli



May 31, 2010 at 07:41 PM
philber
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p.4 #6 · p.4 #6 · C/Y Zeiss Image Post


Samuli, as could be expected from a non-engineer, I got the German version of this lens. What is wrong with it? Providing I stop down to f:8.0, it is actually quite to my liking...


May 31, 2010 at 08:38 PM
Samuli Vahonen
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p.4 #7 · p.4 #7 · C/Y Zeiss Image Post


philber wrote:
Samuli, as could be expected from a non-engineer, I got the German version of this lens. What is wrong with it? Providing I stop down to f:8.0, it is actually quite to my liking...


I don't know what is wrong with the German version, softer corners? It may be the AE/MM not manufacturing country, which determines it (also in somewhere in my memory I have sentence "...design changed when manufacturing started in Japan..." regards this lens). I have heard this information (to not buy older version) from many sources, including this forum. Could not remember whom in this forum it was. On manual focus:
http://forum.mflenses.com/viewtopic.php?t=16035&highlight=&sid=18a74cf256431ee3ecbe153eb8fe7f92
See Orio's writing.

Could not find anything useful with quick googling.

Samuli


Edited on May 31, 2010 at 09:01 PM · View previous versions



May 31, 2010 at 08:50 PM
Z250SA
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p.4 #8 · p.4 #8 · C/Y Zeiss Image Post


mMontag, I can highly recommend the 100mm Sonnar (as well as the 85mm Sonnar). They are so small, but provide very high IQ. The Contax 28 Distagon is equally good, and for a light mid range lens the 1.7/50 is simply superb. At least my copy is. But if you really want ultra light, the 45mm Tessar is much sharper with nice colour than I expected from the opinions found on the net. Not quite 1.7/50 level, but very close indeed. The small additional sharpness of the Planar is easily lost e.g. by slightly heat disturbed air or mist.


May 31, 2010 at 08:53 PM
Ulff
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p.4 #9 · p.4 #9 · C/Y Zeiss Image Post


Zeiss C/Y 21 2.8:






May 31, 2010 at 10:42 PM
Ulff
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p.4 #10 · p.4 #10 · C/Y Zeiss Image Post


And two with the Zeiss C/Y 100 2.0:






May 31, 2010 at 10:44 PM
 

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Ulff
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p.4 #11 · p.4 #11 · C/Y Zeiss Image Post


Z250SA wrote:
mMontag, I can highly recommend the 100mm Sonnar (as well as the 85mm Sonnar).

I always wondered if there's a difference in sharpness, bokeh or general rendering between these two lenses - have you compared them?



May 31, 2010 at 10:46 PM
philber
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p.4 #12 · p.4 #12 · C/Y Zeiss Image Post


Thanks for posting your lovely flowers pics, Ulff. They light up a rainy day!


Jun 01, 2010 at 05:40 AM
morpheus2891
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p.4 #13 · p.4 #13 · C/Y Zeiss Image Post


wow...amazing pics everyone... I have a quick question that I want to pose to everyone here... Im heading out west this summer for a science meeting (virology) and will get a chance to vacation afterwards... me and my wife will hit glacier, yellowstone and grand teton national parks and Im agonizing about lens choices. Im a grad student so right now all I have is my trusty 5D + 28/2.8 distagon and the new 100/2 MP. Unfortunately I don't really have much in the way of money to spend on glass (maybe 300-400 if Im lucky) b/c most of it is going towards the travel costs but Im still feeling a bit limited by my current set up. I don't want to get rid of the 100mm and so I've been thinking... do I replace the 28/2.8 (which is admittedly a great lens) with something more versatile like a 28-85 vario sonnar or if I can pull the money together to I go for a combo like a 35-70mm vario-sonnar and a wide lens like an oly 21mm or maybe something crazy like a sigma 14/3.5. What do you guys think? How big is the difference between the 35-70 and 28-85 on FF? I'm at the point where Im just talking myself in circles and the fact that I've been in the lab and not taking pics doesn't help so any insight would be appreciated (especially from those that have traveled to the above mentioned places). Thanks!
Max



Jun 01, 2010 at 03:57 PM
philber
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p.4 #14 · p.4 #14 · C/Y Zeiss Image Post


Max, why don't you simply get a C/Y 50mm f:1.7, and keep you other two lenses? It won't stretch your finances overmuch, and it is a great imagemaker. Just my $0.02


Jun 01, 2010 at 04:21 PM
morpheus2891
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p.4 #15 · p.4 #15 · C/Y Zeiss Image Post


the thought has crossed my mind but I was wondering how important the flexibility of a zoom is in those parks and if 28mm is really "wide enough"... but yea... the 50/1.7 is a possibility


Jun 01, 2010 at 04:40 PM
bluetsunami
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p.4 #16 · p.4 #16 · C/Y Zeiss Image Post


The 50/1.7 is going for around $150 ($180 after the adapter, if needed). Definitely not bad for the optics your getting.


Jun 01, 2010 at 04:50 PM
philber
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p.4 #17 · p.4 #17 · C/Y Zeiss Image Post


What are you afraid of, Max, that a Teton is going to change places while you change lenses? Not that I want to discourage you from a 35-70, mind you, I just got mine, and it is glued to my camera right now...
But if, as you said, money is tight, you can't get more IQ for your money than 50 f:1.7.



Jun 01, 2010 at 06:37 PM
mMontag
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p.4 #18 · p.4 #18 · C/Y Zeiss Image Post


Max

Keep the 28/2.8 and go for a 35-70 if you can find one - I'm hearing they are closer to $500.00 usd these days. If you decide to sell the 28 - PM me, however I have a few on watch selling within the next week.

The landscape at Yellowstone and Glacier are larger than life and frame well with those focal lengths. Sure - you'll always find a reason to shoot longer and wider - but the majority of the framing will be within those FL's without loosing to much detail.



Jun 01, 2010 at 06:50 PM
mortyb
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p.4 #19 · p.4 #19 · C/Y Zeiss Image Post


Finally got my C/Y 50mm 1.7 MM. This is a wonderful lens. Easy to MF, light and brilliant value.

Out for a walk. (Cropped from a portrait oriented image.)








Jun 01, 2010 at 07:10 PM
bluetsunami
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p.4 #20 · p.4 #20 · C/Y Zeiss Image Post


Here's one with the 50/1.7 too



The only PP was a white balance adjust, slight tone curve and sharpening after being resized



Jun 01, 2010 at 09:23 PM
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