50mm f/1.4 Nikkor-S non-AI

50mm f/1.4 Nikkor-S Auto non-AI (classic non-AI '62-'73, multicoated non-AI '73-'74, K non-AI '74-'76)
This sample circa '70.








Filter size: 52mm
Close focus distance: 2 feet or .6 meters (marked).  The later K version focuses to 1.5 feet.
Aperture range: f/1.4 - f/16
Aperture blades: 7 (early samples have 6)
Depth of field scale for f/4, 8, 11, 16, plus IR focusing index.
Design: 7 elements in 6 groups

Early versions have ribbed aperture rings and 6 aperture blades:



Later Nippon Kogaku and Nikon versions have (partially) scalloped aperture rings and 7 aperture blades:



The C version has a black front ring:



The latest K version (with the conical front and angled identity ring) focuses closer, to 1.5 feet or 0.45 meters.



Here's a comparison of the single and multicoated versions:



More information:
My beat up sample
Ken Rockwell
Pindelski
Richard de Stoutz
Andreas Isenegger
Tai Shimizu
Nikon Thousand and One Nights
Brochure
Another brochure

Next to my beat up sample:



Sample Photographs (on 30 year old Tri-X)





























































More photos from this lens