Nikon PC NIKKOR 19mm f/4E ED lens

Mount Type
Nikon F-Bayonet
Focal Length
19mm
Maximum Aperture
f/ 4
Minimum Aperture
f/ 32
Format
FX/35mm
Maximum Angle of View (DX-format)
73°
Maximum Angle of View (FX-format)
97°
Maximum Reproduction Ratio
0.18x
Lens Elements
17
Lens Groups
13
Diaphragm Blades
9
Nano Crystal Coat
Yes
ED Glass Elements
3
Fluorine Coat
Yes
Aspherical Elements
2
Super Integrated Coating
Yes
Minimum Focus Distance
0.9 ft. (0.25 m) from focal plane
Focus Mode
Manual
Perspective Control
Horizontal and vertical shift and tilt
Shift: ± 12 mm
Tilt: ± 7.5°
Rotation
Rotates 90° left and right with stops every 30°; tilt mechanism rotates 90° left with a stop at 45°.
Approx. Dimensions (Diameter x Length)
3.5 in. (89 mm) x 4.8 in. (124 mm)
(distance from camera lens mount flange) 
Based on CIPA Guidelines
Approx. Weight
31.2 oz. 
(885 g)
Based on CIPA Guidelines