Focal Length & Maximum Aperture |
17mm 1:4 |
Minimum Aperture |
f/22 |
Lens Construction |
18 elements in 12 groups |
Diagonal Angle of View |
104° (without tilt or shift) |
Image circle diameter |
67.2mm |
Focus Adjustment |
Manual focus, rear focusing system with focusing cam (with floating system) |
Closest Focusing Distance |
0.82 ft./0.25m (maximum close-up magnification: 0.14x) |
Aperture Control |
EMD with 8 blade iris diaphragm, circular aperture |
Max. Diameter x Length, Weight |
3.5 x 4.2 in./88.9 x 106.7mm (maximum lens length), 28.9 oz./820g |
Lens Cap, Lens Hood & Pouch |
Provided |