Nikkor-sc 5cm f/1.4 LTM

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kross

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how many versions are there for the LTM 5cm f/1.4? two? with and without the black ring?

here a shot taken wide open by a non-black ring LTM.... notice the flare....
F1000006.jpg



two more shots taken for comparison.... check out the 1 stop difference...
which i like..😀

@f1.4
F1000039.jpg


@f2
F1000038.jpg



cheers....
 
Cosmetically, the Black aperture ring is the most noticeable.

The earliest lenses have a slightly different "prescription". The block diagram of the formula is the same, but the diameter of the optics was increased somewhere after the first few thousand. The change-over occurred somewhere around the 320xxx range. I've got two lenses with the smaller diameter optics. My 33xxxx lens definitely has larger diameter optics than the oldest two.
 
Like Brian said.

The flare wide open is typical for all versions, at longer focus distances. Close up it's gone. For longer distances, just close down a little bit - a quarter or half of a stop and it disappears.

Roland.
 
ferider said:
Like Brian said.

The flare wide open is typical for all versions, at longer focus distances. Close up it's gone. For longer distances, just close down a little bit - a quarter or half of a stop and it disappears.

Roland.
Click to expand...

Hi Roland,

These are shot from close range with S-mount version of vintage Nikkor-S.C 5cm/1.4 at wide open. So, in some occasions the flare or "glow" still exist, but it's actually a good artistic effect.

369974349_f60c251069.jpg


364493081_ec3701e2e4.jpg
 
Hi Jari,

you are right - but I find it decreases if really close. I love the "Nikkor glow" 🙂

284022460_fhVQ5-L.jpg


Cheers,

Roland.
 
Looks like you may very well have some oily deposits on the internal elements causing that "glow" - the first shot of yours doesn't only exhibit casual flare but something "else" too.

Had this on a W-Nikkor-C 35/2.5, went away once I cleaned the internal elements from their (very hard to see) oily deposits.
 
Maybe, but these double lines are really typical wide open, in particular in color/high contrast:

64292985_2jfag-L.jpg


64292977_ZjPro-L.jpg


Roland.
 
Last edited:
ferider said:
Maybe, but these double lines are really typical wide open, in particular in color/high contrast.
Click to expand...
And your first bird shot not only exhibits "ni-sen" artefacts but also has CA, this is just why this wide-open-bokeh-glow fashion mystifies me most of the time, I don't see the point of getting CA on purpose with a 50 years old lens while we're all moaning about that CA expensive modern APO-ASPH lenses still suffer from in front of our DSLRs' sensors.

I have several f/1.4 lenses, but I never use them wide-open.

I just tested a Nikkor-S 50/1.4 in F mount (first series with triangle coupling fork) wide-open on my DSLR (a few minutes ago), CAs are just plain ugly. At f:2.8 the lens performs extremely well despite his age, and still there is some bokeh enough for my taste.
 
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