Keystone K1020 SLR

Photos by Sylvain Halgand text by Sylvain Halgand. From the collection of Sylvain Halgand. Last update 2022-12-21 par Sylvain Halgand.

Manufactured or assembled in Japan from 1966 to (After) 1966.
Index of rarity in France: Rare (among non-specialized garage sales)
Inventory number: 1578

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Chronology of cameras Keystone

The Keystone K1020 is one of the rare format 126 camera with a reflex viewfinder. It seems that this is even the first one. On the site you can also see the Ricoh 126C Flex TLS, the Contaflex 126 from Zeiss-Ikon, the Rollei SL 26 and the Kodak Instamatic Reflex.

If it has the merit of being the first, the Keystone has, compared to others, the disadvantage of not providing interchangeability of the lenses. Its lens is a 48 mm Super Keytar f / 2.8.
The prism is very large because it houses a selenium light cell. On the right side of the viewfinder, a pointer indicates the aperture. There is no adjustment of speed or aperture, so we can only look at the pointer, and possibly put a flash cube on top of the prism.

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