1. Home
  2. Gear
  3. Lenses
  4. Nikon
  5. Nikon Nikkor AI-S 28mm f/2

Nikon Nikkor AI-S 28mm f/2

28 mm · f/2 · Nikon F AI-S

The Nikon Nikkor AI-S 28mm f/2 is a 28 mm prime lens with a maximum aperture of f/2 for the Nikon F AI-S mount. Here are its field of view on different sensors, hyperfocal distances, Milky Way exposure limits and the cameras it fits.

Focal length
28 mm
Max aperture
f/2
Mount
Nikon F AI-S
Designed for
1.53× crop

Field of view by sensor

SensorDiagonal angle of view35 mm equivalent
APS-C (1.5×)53.6°43 mm
Canon APS-C (1.6×)51.6°45 mm
Micro Four Thirds42.2°56 mm

Hyperfocal distance

Focal lengthf/2.8f/5.6f/8f/11f/16
28 mm14 m7.2 m5.0 m3.7 m2.5 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)6.7 s @ f/211.7 s

Cameras that fit (89)

Where to buy

B&H PhotoAmazonKEH (used)MPB (used)

FAQ

What is the Nikon Nikkor AI-S 28mm f/2 equivalent to on APS-C?
It is designed for a 1.53× sensor, giving a full-frame equivalent of 43 mm.
Which cameras is the Nikon Nikkor AI-S 28mm f/2 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).