Olympus OM-System Macro 90mm F2. lens. (MF) in makers box .

A medium telephoto macro lens with a magnification range from ½ life size to infinity. With an F2 aperture the brightest lens in its class, features superb resolution at macro distances and excellent performance even with subjects at infinity. Provides a working distance of  0,24 m (0.8 ft) at the minimum focus of 0,4m ( 1.3 ft ). Assuring extra freedom in lighting , selecting the camera position, etc. Despite the bright lens , the extremely compact , lightweight design affords outstanding functionality. The exclusive Olympus focus aberration correction mechanism guarantees first class picture sharpness all the way from minimum focus to infinity.

Angle of view : 27 º

Optical construction : 9 elements in 9 groups.

Diaphragm operation : Automatic.

F–stop range : 2~22.

Minimum focus : 0,4m  (15.7 )

Minimum field size : 48 x 72mm  ( 1.9 x 2.8 )

Focusing : Straight helicoid.

Weight : 550 grams  (  19.4 )

Length : 71mm  (  2.8 )

Maximum diameter :  72mm ( 2.8 )

Filter size : 55mm.Ø

Note : Hood is a 57mmdiameter slip-on type. ( the hood of the 135mm f4.5 macro lens will work excellent).

Suitable focusing screens : 1-1,1-2,1-3, 1-4, 1-5, 1-6, 1-10, 1-13 and 1-14.