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Alsaphot Ajax IV
France Version française
Photos by Frédéric Caron text by Sylvain Halgand. From the collection of Frédéric Caron. Last update 2023-09-28 par Sylvain Halgand.

Manufactured or assembled in France from (Circa) 1954 to (Circa) 1959.
Index of rarity in France: Rare (among non-specialized garage sales)
Inventory number: 11988

See the complete technical specifications

Chronology of cameras Alsaphot 

Ajax is the name of a series of Alsaphot cameras in the 6 x 6 format, using 120 film.

The construction is entirely metal. The lens/shutter unit is mounted on a retractable tube. The shutter release is located on the top cover, which incorporates a non-contact shoe. Film advancement is done using a wheel. The viewfinder is very simple.
The back and base are connected, and a lock located under the base keeps them in place. There is a sync socket on the shutter, regardless of the model.
Depending on the model, there is either a black covering or the body is coated with a frosted gray paint.
The model didn't change much over its lifespan, but there were variations in lenses and shutters, either simultaneous or successive. Establishing a precise chronology can be complicated.

1953   1954   1958
Ajax
Topaz 4,5 /Shutter 1/25 à 1/200
Saphir 4,5 / Shutter 1 à 1/300
  Ajax III
Alsar 3,5

Ajax IIIS
Topaz 3,5

     
Ajax D
Topaz 3,5
Ajax IV
Saphir 4,5

Ajax IVS
Saphir 4,5

__________

The Ajax IV and Ajax III replaced the original Ajax and Ajax D. To enhance clarity, the name corresponds to the maximum aperture of the lens. The Ajax IV has a lens with a maximum aperture of f/4.5. It is available with a shutter ranging up to 1/300, but, as in this particular model, it also comes with a Synchro-Compur shutter going up to 1/500. The "IV" designation may not be visible on the camera itself.

Alsaphot Ajax IV





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