Olympus OM system Zuiko macro 20mm F3.5 lens with mounting plate.

Specifications Zuiko Macro 20mm F3.5 lens

Angle of view : 9º (at high magnification)

Optical construction : 4 elements in 3 groups.

Diaphragm operation : Manual .NON-Automatic.

F-stop range : 3.5 —16.

Minimum focus : —

Minimum field size: 5 x 8mm (0,2 x 0,3) — 3 x 2mm (0,1 x 0,1)

Focusing : With PM-MT adapter Auto extension tube 65-116, or auto bellows.

Weight : 70 grams (  2.5 oz)

Length : 20mm ( 0,8 in)

Maximum-diameter : 32mm  ( 1,2  in)

Filter :   Filters can not be used.

Suitable focusing screens :  1-11and 1-12..

Notes : This lens cannot be used mounted directly on a OM camera body.

This high-resolution macro-lens is designed for  4x~12x magnifications.