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Any lens with a Rubber Inset Focus Ring (RIFR) is also multi-coated. Any Pre-AI lens that is fully multi-coated with have a "C" Suffix in the name. So a Nikkor-SC 50mm F1.4 is Multicoated, a Nikkor-S 50/1.4 is single coated. The "Nikkor-QC", "Nikkor-OC" are the multicoated versions of the Nikkor-S and Nikkor O. The first letter tells you how many elements are in the lens, the "C" means it is multicoated.
SO: "RIFR" and "-c" multicoated lenses.
-T: Three Elements
-Q: Four elements
-P: Five Elements
-H: Six elements
-S: Seven Elements
-O: Eight Elements
-N: Nine elements
-D: ten elements
-UD: 11 elements
and so on.
The earlier 105/2.5 and all 135/3.5's are SOnnar formula lenses. Nikon never made a Sonnar formula 50 in F-Mount.
Nikkor 5cm F1,4 "Sonnar" formula lens on the Nikon SP, wide-open.
Summarit 5cm F1.5, wide-open on the Leica M3:
The Nikkor 5.8cm F1.4 is very close to the Summarit in design.
SO: "RIFR" and "-c" multicoated lenses.
-T: Three Elements
-Q: Four elements
-P: Five Elements
-H: Six elements
-S: Seven Elements
-O: Eight Elements
-N: Nine elements
-D: ten elements
-UD: 11 elements
and so on.
The earlier 105/2.5 and all 135/3.5's are SOnnar formula lenses. Nikon never made a Sonnar formula 50 in F-Mount.
Nikkor 5cm F1,4 "Sonnar" formula lens on the Nikon SP, wide-open.
Summarit 5cm F1.5, wide-open on the Leica M3:
The Nikkor 5.8cm F1.4 is very close to the Summarit in design.
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