Lens Group       Zuiko Fisheye 8mm/F2.8

Characteristics

Applications

Notes - Related Units

A 23mm circular image, covering entire hemisphere, is formed on film.
Designed according to the equisolid angle projection formula, the lens is an excellent choice for scientific applications.
It is extremely compact and fast for a fisheye lens.
It requires no mirror lock-up in use.
Scientific field: measurement of heavenly bodies, azimuth, amount of cloud cover, etc.
Artistic field: creative 'fisheye' photography.
Midway setting of the filter switch dial will cast a partial shadow on the picture.
The protruding front surface must be protected with a cap when not in use.
The aperture diaphragm does not couple to the exposure meter.
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

180
(circle)

11-7

Auto

2.8~22

0.2m.

-

Straight helicoid

640g.

82mm.

102mm.

Not
necessary

Built-in
(L39,Y48,
O56,R60)

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