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Dilemma: Nokton 35/1.4 vs. Color Skopar 35/2.5


mikki
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Hi there,

 

I bought my M8 with a CV Nokton 35/1.4, but Im having some troubles with the Nokton so I think about selling it. The 35/1.7 doesn't focus as close, the 35/1.2 is too heavy, Leica glass is too expensive. That leaves me with the Color Skopar 35/2.5 as the only alternative.

 

What I don't like about the 35/1.4 is:

- Field curvature makes corner sharpness very unpredictible

- Coma sometimes creates a strange 'circular' OOF

- Obviously the focus-shift troubles it, with I can live with that

 

I like the 1.4 aperture though, as well as the low contrast.

 

What I'd like to know is, is the Color Skopar 35/2.5 any better in the above respects? I like the sharpness of the Nokton, so that doesn't need inprovement. The field curvature and coma bothers me though, but I'm afraid 2.5 will be too slow. Is 2.5 really so much slower than 1.4?

 

I took a picture of a brick wall today, and with the Nokton the corners are still soft by f/8 due to curvature. With a landscape with hyperfocal, there's no problem though.

It's really difficult.

 

Thanks in advance for your help!

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The Color Skopar 35/2.5 is a great little lens. Its smaller and as without a doubt just as sharp as my 35 Summicron type IV. I never noticed any curvature, problems with corner softness, focus shift or its rendering of out of focus areas. I just tend to use my Cron more because of its "Leica Glow."

 

Tom

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So, not knowing much about the M8, and how I would use it, I purchased some CV glass, "just to see" The 35/2.5 (screw mount; there are 2 but seemingly with the same glass in them) was one; as was the 25/4, and the 50/2.5.

 

The 25 was my only lens for about a year. I also more recently picked up a 40/1.4SC, and a 15, and a 90.

 

The 25,35, and 50s that I have are all, IMHO, fantastic. The 40/1.4SC is in a class of its own; it is nice to have a fast lens, but it has a distinctive rendering.

 

Most of the time the 25 is on my Leica; sometimes the 35/2.5, sometimes the 40/1.4. The 15 and 90 rarely. Most of my lenses are self-coded.

 

Other than the speed, the 35/2.5 is great. I don't think you can go wrong with it.

 

JohnS.

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The C/V 35 f/2.5 is a wonderful little lens. Same optical formula through several different models (compact, pancake, pancake II).

 

I had the "compact" years ago when I was getting back into RF with some Bessas. When I switched to M-mount bodies, I traded that for the Pancake II. I used to carry an M6 around with me all the time with just that little lens on it -- in one of those wraps tucked into my knapsack. No need to feel compelled to use a Leica lens in that speed range when the C/V does so well. :)

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