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 F 21 with strange serial number

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Detlev Posted - Mar 20 2024 : 09:56:50 AM
does anybody know something about this strange serial number?
Best regards,


20   L A T E S T    R E P L I E S    (Newest First)
liukai Posted - May 20 2024 : 9:31:56 PM
Originally posted by Detlev
In 1968 the Stasi has developed an IR-Ajax with flash. Therefore you need a syncDetlevhttp://www.ussrphoto.com/UserContent2/2052024_IR-Ajax1968.jpg

thank the information you sent
liukai Posted - May 20 2024 : 9:21:54 PM
It seems that I have collected a very rare camera
Detlev Posted - May 20 2024 : 3:57:14 PM
Here is the translation

Verbindung IR-Blitzanlage mit Kamera „Ajax“
- 2 Blitzer und gestattet innerhalb von10 … 15 s 2 Auslösungen
- max. Reichweite (bei völliger Dunkelheit) 7 m
- Identifizierung von Personen bis 3,5 m
- Blitz ist nur bis zu einer Entfernung von 0,5 m sichtbar
- IR-Film aus Sowjetunion
IR “Ajax”
Connection of IR flash system with camera “Ajax”
- 2 flashes and allows 2 triggerings within 10 … 15 s
- max. range (in total darkness) 7 m
- Identification of people up to 3.5 m
- Flash is only visible up to a distance of 0.5 m
- IR film from Soviet Union
Detlev Posted - May 20 2024 : 3:38:35 PM
In 1968 the Stasi has developed an IR-Ajax with flash. Therefore you need a sync



Vlad Posted - May 20 2024 : 11:30:42 AM
Welcome Liukai! Wow I've never seen a flash sync on these! What would be a purpose for that? Very interesting!

Best regards,
liukai Posted - May 20 2024 : 11:16:50 AM



I recently received an F21 camera with a special number and special functions
Detlev Posted - May 15 2024 : 12:30:33 AM
I found an export list from 1970 for some 2P3.. cameras




Detlev Posted - Mar 31 2024 : 01:37:12 AM
The cameras starting with letter "A" came from Russia some years ago.
Detlev Posted - Mar 27 2024 : 3:04:33 PM
From Russia:
Serial numbers of special equipment depended on the customer. The description was in the terms of reference.
The only thing I can say is that "БЛ" (BL) is the factory index of the drawings.
For example: BL3.821.031 is "mikrofotoapparat F21T".
Detlev Posted - Mar 24 2024 : 2:52:19 PM
5 digits is the common method


But the first two digits are not always the production year


xya Posted - Mar 24 2024 : 1:48:21 PM
Never questioned mine, it has only 5 digits, as the manual suggests, but not 6 like Ulrich's...


www.a7camera.com www.120folder.com www.instantphoto.eu www.135compact.com www.oddcameras.com
uwittehh Posted - Mar 23 2024 : 4:50:55 PM
Really strange numbering.
My two seem to have normal numbers: N005756 and T921610


Detlev Posted - Mar 23 2024 : 12:19:56 PM
I suppose the old number was milled out and a new one was engraved


Denn_kirov Posted - Mar 23 2024 : 11:37:46 AM


Also a little unusual number
Detlev Posted - Mar 23 2024 : 02:25:57 AM
There is another unusual serial number.


perkinsmg Posted - Mar 20 2024 : 4:08:51 PM
I have A700072! I've often wondered about it. But not as strange as the serial of the first camera above.
fedka Posted - Mar 20 2024 : 3:55:48 PM
I like how well-worn the -A camera is. That's a lot of use.
Detlev Posted - Mar 20 2024 : 10:28:54 AM
There is another unusual serial number

http://www.ussrphoto.com/UserContent2/2032024_F21 Amk.jpg

Detlev Posted - Mar 20 2024 : 10:16:56 AM
Hi Vlad,
the F21 T manual says: the camera has 5 digits serial number prefixed with a letter "T", which is entered into a passport.
The first two digits seem to be often the production year, but not in all cases.
Vlad Posted - Mar 20 2024 : 10:03:19 AM
Hi Detlev, I have seen this camera as well and it also puzzled me. Did Julius have anything to say about it? I also seen the serial number that starts with "A" recently. Do you know what the deal is with that one?

Best regards,


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