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Nikon Nikkor AI 15mm f/3.5

15 mm · f/3.5 · Nikon F AI

The Nikon Nikkor AI 15mm f/3.5 is a 15 mm prime lens with a maximum aperture of f/3.5 for the Nikon F AI mount. Here are its field of view on different sensors, hyperfocal distances, Milky Way exposure limits and the cameras it fits.

Focal length
15 mm
Max aperture
f/3.5
Mount
Nikon F AI
Designed for
1.53× crop

Field of view by sensor

SensorDiagonal angle of view35 mm equivalent
APS-C (1.5×)86.6°23 mm
Canon APS-C (1.6×)84.1°24 mm
Micro Four Thirds71.6°30 mm

Hyperfocal distance

Focal lengthf/5.6f/8f/11f/16
15 mm2.1 m1.4 m1.1 m0.7 m

Circle of confusion 0.020 mm (sensor size the lens is designed for).

Longest exposure for sharp stars

CameraNPF rule (wide open)500 rule
APS-C (24 MP)16.0 s @ f/3.521.8 s

Cameras that fit (89)

Where to buy

B&H PhotoAmazonKEH (used)MPB (used)

FAQ

What is the Nikon Nikkor AI 15mm f/3.5 equivalent to on APS-C?
It is designed for a 1.53× sensor, giving a full-frame equivalent of 23 mm.
Which cameras is the Nikon Nikkor AI 15mm f/3.5 compatible with?
It fits Nikon 1 S1, Nikon 1 V1, Nikon 1 J1, Nikon 1 AW1, Nikon 1 S2 and more (see the full list above).