Nikon Noct-Nikkor 58mm f1.2

High speed standard lens with hand-ground aspheric front element to eliminate sagittal oblique spherical aberration.

Version Serial no Date Screws Engraving Notes
K,Ai < 104111 – 104112 > 1976 - 5+ LMIJ Two prototypes known from early brochures, one pre-Ai and one Ai.
Ai 172011 < 172031 – 172530 > Feb77 - 5+ LMIJ Appears identical to prototype but different serial numbers.
Ai < 172351 – 174472 > - Nov81 5+ MIJ Some overlap between lenses.

Version	Serial no	Date	Screws	Engraving	Notes
K,Ai	< 104111 – 104112 >	1976 -	5+	LMIJ	Two prototypes known from early brochures, one pre-Ai and one Ai.
Ai	172011 < 172031 – 172530 >	Feb77 -	5+	LMIJ	Appears identical to prototype but different serial numbers.
Ai	< 172351 – 174472 >	- Nov81	5+	MIJ	Some overlap between lenses.

Links

Development of Noct-Nikkor 58mm f1.2 at Nikon site

Review by Fredrik Rasmussen

Nikon Noct-Nikkor 58mm f1.2

Links

Pre-Ai Prototype

Ai version