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Nikon 50mm f/1.4 Sonnar LTM & Nikon S.C 50mm f1.4 for Rangefinder S mount
Old 02-08-2015   #1
cyquek
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Nikon 50mm f/1.4 Sonnar LTM & Nikon S.C 50mm f1.4 for Rangefinder S mount

Hi All

Been searching for some info and was wondering if anyone can help?

I was thinking of buying the Amedeo adapter to have a s mount nikon SC 50mm f1.4 on my M. But i know that there is also a nikon 50mm f1.4 Sonnar LTM.

My question is, are they effectively the same lens just different mount or completely a different lens?

Thanks!
CY
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Old 02-08-2015   #2
jonmanjiro
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Yep, same lens different mount. Note that an S-mount lens used on an Amedeo adapter will focus in the opposite direction from an LTM lens (and of course other LTM and M-mount lenses). Some users don't seem to mind, but other users say it drives them nuts. Only you will know which type you are
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Old 02-08-2015   #3
cyquek
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Thanks Jon!
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Old 02-08-2015   #4
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If you already have an adapter, buying an S mount lens could save you some money.
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Old 02-08-2015   #5
rscheffler
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Yeah, that's exactly what I ended up doing. The 50/1.4 S mount lenses seem to be easier to find.
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Old 02-08-2015   #6
ferider
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In the 50's, the Nikkor 50/1.4 LTM and Nikon RF versions were made in the same batches, same lens with different mounts.

The 50/1.4 "Olympic" lens released in 1962, and the "Millenium" lens released in 2000 are different formulas and only come in Nikon RF mount.

Roland.
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Old 07-19-2019   #7
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Is there any optical differences between an early all chrome and the later black aperture ring LTM versions?
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Old 07-19-2019   #8
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Quote:
Originally Posted by james.liam View Post
Is there any optical differences between an early all chrome and the later black aperture ring LTM versions?
From the user perspective, no. All rangefinder Nikkor 50/1.4s with the engraving "5cm" are Sonnars and render essentially the same. That said, multiple minor design tweaks to the optics (and barrel designs) were indeed made during the course of production, but any rendering differences are so subtle that you're not going to notice them.

The rangefinder 50/1.4 Nikkors with the engraving "50mm" have a Gauss optical formula and render differently. But none exist in LTM anyway.
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Old 07-20-2019   #9
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No meaningful coating difference? They’re all single-coated?
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Old 07-20-2019   #10
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Quote:
Originally Posted by james.liam View Post
No meaningful coating difference? They’re all single-coated?
Nikon started using multi-coating from March 1971. They weren't making rangefinder Nikkors by then.
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Old 07-20-2019   #11
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I was wondering because I’ve been offered one orf two; an all-silver whose barrel and glass is about as clean as I’ve ever seen and a later version with a black aperture ring in slightly less pristine shape.
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Old 07-20-2019   #12
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So the LTM 50mm f1.4 Nikkor-sc will lose coupling at 1 meters, but can be modified to keep coupling down to 0.7meters. It can technically focus down to about 0.5 meters (no coupling).

The S-mount 50mm f1.4 Nikkor-sc on an Amedeo adapter has coupling and focus to 0.9 meters.

Hope that helps.
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Old 07-24-2019   #13
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I can only add that I have the 5cm f1.4 and 5cm f2 both in ltm and they are wonderful to use.
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Old 07-24-2019   #14
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Quote:
Originally Posted by filmtwit View Post
So the LTM 50mm f1.4 Nikkor-sc will lose coupling at 1 meters, but can be modified to keep coupling down to 0.7meters. It can technically focus down to about 0.5 meters (no coupling).
What modifications are needed?
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Old 07-25-2019   #15
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To focus down to 0.7m on a Leica M, for example, you will need to grind or cut away some the the mount to allow for the extra RF cam movement. I think Jon posted a thread on how he did this with one of his lenses. Worth a search!
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Old 07-25-2019   #16
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is buying an adaptor and S mount lens cheaper than buying the LTM?

The adaptor is darn expensive too. Someone from Ukraine on ebay told me that he is going to create a cheap copy. I am waiting for it.
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Old 07-25-2019   #17
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There was also a dedicated (50mm lens only) Amadeo adapter. Simplified, cheaper and would couple down to 0.7m and turn the "right" way. I have one for Contax, but I think it was also made for Nikon S.
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Old 07-25-2019   #18
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i will write an article about this in the coming months.

its the best-built 50/1.4 Nikkor for the rangefinders.
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