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Zeiss Ikon ZM This is for the current production Leica M mount Zeiss Ikon camera and lenses.

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Old 07-03-2010   #26
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More examples. ACROS again, this time in Rodinal 1:50.







...and three more, posted to the Ultimate Bokeh Thread.
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Old 07-06-2010   #27
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Quote:
Originally Posted by ChrisC View Post
Hi - I'm a fan of relatively 'slow' lenses. I have the C-Biogon, and the more I use it, the more amazed I am by it's rendering.

I believe I have the best 35mm lens for ME on the 'M' platform that I could get at ANY price. I have no inclination to photograph at f1.4 or f2.0, and I prefer f8 photography to wide-open/fast-shutterspeed photography, so my C-Biogon is my 35mm lens-for-life. Why not treat yourself, and maybe you too might have the best 35mm 'M' lens you could have. I heartily recommend you subscribe to Reid Reviews and read Sean's recent article on 'slow' 35mm lenses on the M9.

.............. Chris
I agree with you and yes Sean's insight is great. Please subscribe.
I might soon be carrying 3 35mm lens for walking around.
IE VC35f1.2 35f2v4 and the c-biogon
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Old 07-06-2010   #28
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Curious: Why do you want 3 35mms? I can understand the big 1.2 nokton and the small summicron but to add the biogon too?
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Old 07-06-2010   #29
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Quote:
Originally Posted by fdigital View Post
Curious: Why do you want 3 35mms? I can understand the big 1.2 nokton and the small summicron but to add the biogon too?
The pre ASPH is great lens but its can be a little soft for my taste. In some light the "glow" due to undercorrection of blue look really good its great for people photographs but now always. Often I have to push the black level up. I will use it when shooting old people as it is more forgiving but doesn't give nitty realism which sometime is what I want. It give an impressionist look. Good and bad.

It doesn't give confidence when i want to print large.

Sometimes i want sharp which means the nokton in the day not something i fancy doing.
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Old 07-06-2010   #30
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Fair enough!
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Old 08-01-2010   #31
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This lens continues to blow my mind.

Scanned this neg and found the following.

ACROS at ISO 100, developed in XTOL 1:1. The shaded rectangle shows the enlarged region below. It's a 1:1 enlargement of a 4000 d.p.i. scan (the lower-mag crop shown is 20 megapixels -- 5500 x 3600). The scan was done on an old Polaroid Sprintscan 4000 and is in no way optimized -- just one pass with my usual defaults. Obviously, I haven't bothered to deal with some dust spots.



The grid pattern in the ceiling essentially gives us a field-acquired MTF under extraordinarily unfavorable conditions -- handheld with a too-slow shutter speed (and indeed, there are signs of camera movement), focus most likely swung hard to the infinity stop (it was a grab shot), and the steps for the MTF are very strongly backlit, so this is a strong test of both resolution and suppression of veiling flare.



Under these absolutely awful conditions we're still easily getting 30, and maybe close to 40 lp/mm (this is the absolute limit of what the scanner can see in the film; the lack of moire tells us that there's an AA filter on the scan head).

Someone want to tell me again why I'm supposed to be shooting digital?
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Last edited by semilog : 08-02-2010 at 06:40.
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Old 08-01-2010   #32
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Billy Was Here!

Here's another of mine from the 35 C-Biogon. I have a lot more to scan, this lens has gotten A LOT of use lately!
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Old 08-01-2010   #33
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It has such a silky zeiss bokeh...

how is OoF areas compared to CV 35mm f2.5?
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Old 08-01-2010   #34
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Quote:
Originally Posted by LeicaFoReVer View Post
It has such a silky zeiss bokeh...

how is OoF areas compared to CV 35mm f2.5?
I have not used the CV but the bokeh is superb, both in foregrounds and backgrounds. As linked above, here are three more examples.

I've developed, scanned, and carefully inspected about 15 rolls of film so far, and I just can't find a weakness in this little lump of machined metal and silica. It's the closest thing to a flawless lens for general photography that I've ever used.
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Last edited by semilog : 08-01-2010 at 16:05.
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Old 08-01-2010   #35
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Quote:
Originally Posted by Chriscrawfordphoto View Post

Billy Was Here!

Here's another of mine from the 35 C-Biogon. I have a lot more to scan, this lens has gotten A LOT of use lately!
Chris. I remember you felt Color-Skopar 35mm you got from me was too crisp too contrasty. I sold the lens for the same reason, but Ive got another one for the time being and thinking about C-Biogon.

How does C-biogon compare with Color-Skopar? It's hard to see this from scans on computer display, you know? Probably you haven't got time to print yet, but looking forward to your opinion.
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Old 08-01-2010   #36
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Well depends on which film you use for c-skopar. HP5 is good choice as it is low contrast film. But my curiosity is the OoF areas...c-skopar can be so smooth wide open too. I will try to post an image to show.
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Old 08-01-2010   #37
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Quote:
Originally Posted by coelacanth View Post
Chris. I remember you felt Color-Skopar 35mm you got from me was too crisp too contrasty. I sold the lens for the same reason, but Ive got another one for the time being and thinking about C-Biogon.

How does C-biogon compare with Color-Skopar? It's hard to see this from scans on computer display, you know? Probably you haven't got time to print yet, but looking forward to your opinion.
Sug,

The C-Biogon is contrastier than the 35mm Summicron version IV that I had before but not as contrasty as the 35 Color Skopar. Its about the same as the current 50mm Summicron, which I have, so I think the 35 C-Biogon and the 50mm Summicron go great together. The C-Biogon has less light falloff at the edges than the Color-Skopar too, which is nice. Overall I like the C-Biogon a lot more than the Color-Skopar.
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Old 08-01-2010   #38
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The C-Ciogon is the most technically corrected lens I've ever used. Sharp wide open out to the corners, flare resistent, distortion corrected. Wide open it;s the sharpest 35mm lens at 2.8 available. What more could you want, but speed? So I have a Nokton 35 to solve that issue when it comes along.
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Old 08-01-2010   #39
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Man Chris....
You had to post and brag on the C-Biogon 35mm f/2.8...
I just received the C-Sonnar 50mm from a trade with Back Ally, and I am loving this lens and how it draws and the bokeh too... Oh yeah.... The colors are unreal on my G1.

I have been thinking of selling my 35mm f/1.4 Nokton and adding some $$ to get this lens...

Now, I am hooked, I want one.

I know finding a used one {now} is impossible after this thread was posted and read by many

Thanks for the experience your sharing with the ZM 35mm f/2.8 C-Biogon. It sealed the future for me.
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Old 08-01-2010   #40
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Thanks Chris for your insights. Sounds very promising and definitely a bad influence to my GAS level. Looks like the doom is near.
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Old 08-01-2010   #41
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Quote:
Originally Posted by Chriscrawfordphoto View Post
Sug,

The C-Biogon is contrastier than the 35mm Summicron version IV that I had before but not as contrasty as the 35 Color Skopar. Its about the same as the current 50mm Summicron, which I have, so I think the 35 C-Biogon and the 50mm Summicron go great together. The C-Biogon has less light falloff at the edges than the Color-Skopar too, which is nice. Overall I like the C-Biogon a lot more than the Color-Skopar.
Agreed. The Biogon-C and Summcron-M (current optical formula) are a well-matched set of lenses.
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Old 08-01-2010   #42
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Thanks Chris for your insights. Sounds very promising and definitely a bad influence to my GAS level. Looks like the doom is near.
Looks like I've corrupted the souls of several of my fellow RFFers! We're all going to Hell!
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Old 08-02-2010   #43
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I have just started using this lens. It is amazing (and works great in colour too ... ). Seriously, this is probably the best 'daylight' lens I own.

http://flic.kr/p/8p4PwR

Last edited by tokyoshooter : 08-02-2010 at 23:13. Reason: (corrected the photo link)
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Old 08-02-2010   #44
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I haven't tried mine in color yet. Tokyoshooter, post some color stuff for us
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Old 08-03-2010   #45
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Here's an example showing the lens' flare resistance. This was shot with the sun just above the top right corner.
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File Type: jpg Lake Wakatipu.jpg (90.2 KB, 257 views)
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Old 08-03-2010   #46
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And here is another example. The 3D effect is not really visible in a small JPEG sample, but the full-sized photo has it.
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Old 08-03-2010   #47
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Just got the lens and grabbed a quick shot. Pretty SOOC. Converted from RAW and cropped.
I think this is the beginning of a long and wonderful relationship

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Old 08-04-2010   #48
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Here's another shot from today. Lake Wanaka in New Zealand.
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Old 08-04-2010   #49
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Here's another shot from today. Lake Wanaka in New Zealand.
Incredible! Thanks for sharing..the other 2 you posted were really beautiful too. I like the boat one and the last one the best
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Old 08-04-2010   #50
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A couple of more. I really cannot praise this lens high enough





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