Nikkor-Q 200mm 1:4 no No.270011
In early 1967 Nikon released an upgraded 200mm lens. The new lens is similar to the first version except:
- Lens mount now has 5 slot screws.
- Upper chrome barrel not straight, it is wider and tapers in below the hood.
- Focal length is now marked in mm, except for the first batch which are still marked in cm.
- Weight increased from 560g to 580g and barrel 1.5mm longer.
- Possibly refined optical design.
Early lens with foca length marked in cm: