40 mm f/.4
An ultra-wide-angle lens whose speed and compactness are unprecedented in this type of lens. Floating elements keep its outstanding performance constant right up to a subject distance of 0.4 m.

 

Focal Length	40 mm
Aperture Range	3.5-22
Elements/groups	8/8
Focusing range	0.4 m - infinity
Shutter speed	up to 1/500
Diameter max.	83.2 mm
Filter size	M 77 x 0.75
Weight	750 g