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Author Topic: Leica M vs R lenses: IQ Equal?  (Read 2813 times)
ripgriffith
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« on: December 20, 2012, 05:38:30 AM »
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I'm sure someone has run real-world shooting tests on equivalent Leica M and R lenses; I'm looking to add some Leica glass for my Sony Nex, and there are adapters for both lenses.  I am drawn to the mechanical simplicity of the M lenses, but here in Russia, an R lens is significantly cheaper than its M counterpart.  Any thoughts?
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wildlightphoto
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« Reply #1 on: December 20, 2012, 09:08:41 AM »
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Depends on the particular models.
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ripgriffith
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« Reply #2 on: December 20, 2012, 09:26:31 AM »
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Depends on the particular models.
OK. let's say 50mm Summicron f2,  same year of issue.
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wildlightphoto
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« Reply #3 on: December 20, 2012, 10:10:25 AM »
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I'm more familiar with the R models than M.  There were two optical versions of the 50mm Summicron-R; they differ in the details but both are very high quality and pretty much comparable to the contemporaneous M models.
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hasselbladfan
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« Reply #4 on: December 20, 2012, 10:22:54 AM »
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In my experience, the M versions has been more frequently redesigned, which has given the M lenses an edge over the (mostly older) R designs.

The M 35mm f1.4 versions are always better than the R version.
The M 50mm f1.4 and f2 are better than the R versions.

When they are both from the same generation, there is little difference.

The R 80mm f1.4 is equal to the 75mm f1.4. The latest 28mm 2.8 are both very similar. The Apo 90mm f2s are very similar.

The real R heros in my view are the R 19mm, the R 60mm Macro, the 180mm APO 2.8 and the Modular APO-Telyts.
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wildlightphoto
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« Reply #5 on: December 20, 2012, 11:29:09 AM »
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The real R heros in my view are the R 19mm, the R 60mm Macro, the 180mm APO 2.8 and the Modular APO-Telyts.

Pretty much any of the Leica R APO lenses IMHO.
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IWC Doppel
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« Reply #6 on: December 20, 2012, 09:29:36 PM »
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I guess it also depends on what you are looking for. I have numerous Leica books with all of the technical and subjective analysis and 8 M lenses, I love some lenses that are technically lower in performance than others.

One thing is for sure, they have made some stunners....

If I was looking for R lenses I would start now, given the adapter for the new M and the likelihood of increased demand
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ErikKaffehr
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« Reply #7 on: December 24, 2012, 12:59:25 PM »
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Hi,

According to Erwin Puts late generation R lenses are very good. I would suggest that R-lenses would be preferable on NEX because lenses designed for SLRs generally work better on the NEX. The microlenses on NEX are not optimized for M lenses but would work well with R lenses.

Best regards
Erik




I'm sure someone has run real-world shooting tests on equivalent Leica M and R lenses; I'm looking to add some Leica glass for my Sony Nex, and there are adapters for both lenses.  I am drawn to the mechanical simplicity of the M lenses, but here in Russia, an R lens is significantly cheaper than its M counterpart.  Any thoughts?
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WaitingForAnR10
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« Reply #8 on: December 26, 2012, 07:44:28 AM »
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In my experience, the M versions has been more frequently redesigned, which has given the M lenses an edge over the (mostly older) R designs.

The M 35mm f1.4 versions are always better than the R version.
The M 50mm f1.4 and f2 are better than the R versions.

When they are both from the same generation, there is little difference.

The R 80mm f1.4 is equal to the 75mm f1.4. The latest 28mm 2.8 are both very similar. The Apo 90mm f2s are very similar.

The real R heros in my view are the R 19mm, the R 60mm Macro, the 180mm APO 2.8 and the Modular APO-Telyts.

My favorite is the R 100/f2.8 APO macro.
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ndevlin
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« Reply #9 on: December 31, 2012, 09:41:32 AM »
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The newest lenses are best, especially for digital. Even the less expensive newer ones.

- N.
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Nick Devlin   @onelittlecamera
Rob C
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« Reply #10 on: December 31, 2012, 11:35:16 AM »
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This may help:

http://www.zeitblen.de/summicron/page2.html

Rob C
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