Specifications Olympus OM-system Zuiko Auto-1:1 Macro 80mm F4 lens.
Angle of view : 9 º ( at high magnification )
Optical construction : 6 elements in 4 groups.
Diaphragm operation : Automatic.
F-stop range : 4 ~ 32
Minimum focus : 0,23 m . ( 9.1 )
Minimum field size : 48 x 72 mm ( 1.9 x 2.8). 12 x 18mm (0.5x 0.7)
Focusing : with telescopic Auto tube 65~116 or Auto Bellows.
Fine focusing : Straight helicoids.
Weight : 170 grams ( 6.0 )
Length : 31mm (1.2 )
Maximum diameter : 60mm (2.4 ).
Filter : 49mm.Ø
Focusing screens : 1-4, 1-10 and 1-11.
The worlds first 35mm SLR lens specifically designed for optimum performance at magnifications around life size.
Range of subject magnifications is ½ to 2x life size, or from 48x72mm to 12x18mm picture area.
Used together with the with telescopic Auto tube 65~116 or Auto Bellows.
Features automatic aperturing and full linkage with the camera metering system. A helicoids is provided fore fine focusing after desired magnification and subject distance have been set. Available apertures extend from F4 to F32 to afford a wide depth of field range..
Note: The close-up lens 80mm , designed for use with this lens , gives subject magnifications up to 2x when used together with telescopic Auto tube 65~116 or Auto Bellows.