Focal Length & Maximum Aperture
17mm 1:4
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 and Pouch
Lens cap and pouch provided. (No lens hood available.)