Nikon AF NIKKOR 20MM F/2.8D
Lens Construction (Elements/Groups):12/9
Picture Angle with 35mm (135) format:94(deg)
Picture Angle with Nikon DX Format:70(deg)
Minimum f/stop:22
Closest focusing distance:0.25m/0.85 ft.
Maximum reproduction ratio:1/8.3
Filter Attachment Size:62mm
Dimensions (approx.) (from the camera’s lens mounting flange):69 x 42.5mm
Weight (approx.):270g