Lens Group       Zuiko 21mm/F2

 

Characteristics

Applications

Notes - Related Units

The world's first 21mm. focal length lens (92°) to provide a fast F2 speed.
Despite the fast speed, it is so compact it accepts a 55mm. filter.
The floating lens group solves the problem of image fall-off at close distances.
Sophisticated design and the use of new optical glasses contribute to superb picture quality with high resolution and contrast.
Architecture, in particular, restricted areas in dim-lit situations.
Snapshots.
Panoramic landscapes and skies.
Unusually exaggerated wide angle effects.
Use of non-Olympus filter may darken picture corners.
Combination use of two or more filters may darken picture corners.
Lens hood is sold separately.
Compatible focusing screens: 1-1~1-5,1-10,1-13,1-14.

Specifications

Angle of view

Optical construction
El.-Group

Diaphragm

F/stop
range

Min.
focus

Min.
photographic range

Focusing

Weight

Length

Max.
diameter

Hood

Filter

92°

11-9

Auto

2-16

0.2m.

21x14cm.

Straight helicoid

  250g.

43.5mm.

60mm.

55mm.
Screw-in
[57mm
Slide-on]

55mm.
Screw-in