Nikkor 105mm f/2.5 P non-AI ('59-'71)
These samples circa '63 and '67.
Filter size: 52mm
Close focus distance: 3 foot or 1.2 meters
Aperture range: f/2.5 - f/32
Aperture blades: 6 (early samples have 9)
Depth of field scale for f/4, f/8 - 16, plus IR focusing index.
Design: 5 elements in 3 groups
This version with the silver front ring and thinner focusing ring is a different design than the later version with a black front ring and a larger focusing ring. That design carried over to AI and AI-S versions.
This lens was originally marked 10.5 cm:
Richard de Stoutz
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