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Nikon "fun" Gyogyotto Fisheye type 20mm f/8

Part of the Nikon "fun lenses" educational box

the basic, fun and cheap 3 / 2 lens formula

Metal cylindrical body and plastic mount, fixed focus and aperture, 3 lenses in 2 groups. Despite all of this it is still a fun and usable fisheye lens. Since only 5000 were made, I guess now it’s collectors price…

It’s giving around 153° FoV on the diagonal, but it’s still a real fisheye lens.

With this tale, I wanted to go a little off the usual track and try introducing lenses with which Sato and Oshita were involved in developing. These lenses were not part of the NIKKOR lineup, neither were they Nikon Series E lenses. They were part of Nikon’s Fun Fun LensSet. While many are likely unaware of these products, they were originally released in December 1995 as a set of three lenses. Sales were limited to Japan, and only 5,000 sets were manufactured.

by Kouichi Ohshita

official links about Nikon Fun Lenses


Lens info
Focal Length:
Camera Format:
Lens Type:
Lens FOV:
Lens Mount:
Lens Hood:
Filter Type:
Lens Elements / Groups:
3 / 2
Image Circle:
44 mm
65 x 68 mm
235 g
Years Manufactered:

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