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 Ajax F-21 serial numbers
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Michael Perkins
perkinsmg

United Kingdom
22 Posts
Posted - Dec 30 2020 :  12:28:26 PM  Show Profile  Reply with Quote
Hi!

Does anyone know the meaning of serial numbers on Ajax F-21 cameras?

They seem to be of the style "No. 77456", "T842345" or even "A70003". And there are some with no serials, and others with the serials deliberately erased. What's going on?

It looks to me that many follow the standard approach of the first two numbers being the year of manufacture, but I also see that cameras numbered e.g. 77123 have passports from 1962.

Another know how to interpret them?

Thanks,

Michael.
xya
France
113 Posts
Posted - Dec 30 2020 :  4:23:05 PM  Show Profile  Reply with Quote
T or not, the first 2 numbers are the year of production. as it was produced to the special needs of the kgb, there were variants without numbers and other specialities. I own one and I have a slicer to cut film for it. it works well. http://www.subcompactcam.com/21mm_ajax_f21.htm

www.a7camera.com www.120folder.com www.instantphoto.eu www.135compact.com www.oddcameras.com
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Guido Studer
Guido
Switzerland
359 Posts
My Collection

Posted - Dec 30 2020 :  5:50:40 PM  Show Profile  Visit Guido's Homepage  Reply with Quote

Hello Michael

As xya said the first two digits represents the year, but it's from an unknown date on. Very early F-21 had different numberings I think (it's like the early Zorki-1 series before 1955). The "T" models are the newer ones and there exist special versions like the one for artic use for example.

An extra version are the 1994 F-21 with no s/n on the front but on the back. This is the last year of production as far as I remember. Also in this years the civil version MF-1 was build by KMZ with the typical KMZ logo and the s/n on the back too.

Best wishes - Guido
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Detlev Vreisleben
Detlev
Germany
77 Posts
Posted - Dec 31 2020 :  02:16:55 AM  Show Profile  Reply with Quote
Hello,

the F21T works in the temperature range from -20 C to +55 C.

Detlev


http://www.ussrphoto.com/UserContent2/31122020_F21-06k.jpg


Edited by - Detlev on Dec 31 2020 02:17:26 AM
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Michael Perkins
perkinsmg
United Kingdom
22 Posts
Posted - Dec 31 2020 :  02:33:56 AM  Show Profile  Reply with Quote
Thanks all! That's just the information I was looking for. I haven't got an F-21 yet but am thinking of getting myself a little New Year gift. :-)

A temperature range of -20 to 55oC is really quite impressive. Don't think I'll be testing those boundaries in my native Scotland, anyway!

Michael.
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