Industar-26M U 2.8/52mm enlarging lens M39

Specification

Focal length of 52 mm

Made in USSR , Kharkiv

aperture 1:2,8 - 1:22

field of view 45 °

frame size 24x36 mm

Mounting: M39 (LTM)

Filter mount 40.50x0.5 mm

Number of elements / groups 4 / 3

9 iris blades

Note: when installing through the normal adapter M39-Nikon, M39-Canon, M39-Pentax, Industar-26M U enlarging lens hurt mirror cameras, as it has a huge overhang the rear of the helix. The rear of the heavily favored. The lens can be used on a narrow format (on conventional crop cameras and modern full-frame SLR cameras) only with the macro tubes or macro fold bellows.