Focus
Autofocus
Mount
Nikon F
Format
35mm full frame
Elements
5
Filter Thread
52mm
Spec Notes
The ORIGINAL 5-element AF 28/2.8 (1986-1994), Series-E-derived optics. Superseded by the all-new 6-element AF-D (separate row). Groups/MFD/weight/dimensions not published for this early version - not guessed.
Max Aperture
f/2.8
Min Aperture
f/22
Aperture Blades
7
Introduced
1986
Electronic Contacts
Yes