| T O P I C R E V I E W |
| Lenny |
Posted - Mar 10 2015 : 03:11:10 AM
Saw this on ebay yesterday.
http://www.ussrphoto.com/UserContent/1032015_Fed-1 55890 top.JPG
http://www.ussrphoto.com/UserContent/1032015_Fed-1 55890 front.JPG
http://www.ussrphoto.com/UserContent/1032015_Fed-1 55890 base.JPG
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| 24 L A T E S T R E P L I E S (Newest First) |
| Jacques M. |
Posted - Jan 02 2016 : 07:24:20 AM
The lever of the periscope in its upright position:
http://www.ussrphoto.com/UserContent/212016_2015-12-19 06.26.38.jpg
There are similarities between this Periflex and the Fed "reflex", which is not astonishing: the room inside is the same... Note that this Periflex is perfectly working (even if uneasy!) and that the periscope is very precise.
Jacques.
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| Jacques M. |
Posted - Jan 02 2016 : 07:15:53 AM
I dig out the thread as I have received a Periflex. These cameras originally had a periscope:
http://www.ussrphoto.com/UserContent/212016_2015-12-19 06.24.41.jpg
Here is the periscope, in its low position:
http://www.ussrphoto.com/UserContent/212016_2015-12-19 06.25.13.jpg
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| Jacques M. |
Posted - Mar 17 2015 : 08:29:49 AM
Ha ha! Fingerprints for a NKVD camera! Perfect!
I absolutely agree with you. This is a reflex camera, but with a very difficult use due to the the narrowness of the chamber and the position of the "periscope". Anyway, it was not possible to put it in the axle because of the "official" viewfinder.
As for the mirror (we don't have it), we can suppose it was raised by the spring (and lowered by the handle). So, no light when taking the photo.
Thanks for your researches about this interesting camera, Luiz.
Amitiés. Jacques. |
| Luiz Paracampo |
Posted - Mar 17 2015 : 07:30:52 AM
at my point of view, I see that although the scheme applied on FED was feasable for a competent mechanicist, is use was very limited.
Very small viewing/focusing área, difficult use, no prevention of mirror removal during Picture taking, reminds us to a delicate work which is not the case when using large focal lenses.
going to static work we can call for microscope or telescope using, may be also for reproduction work when it will call for a high accurancy of focus.
Observe that the miniature of prism/mirror and ou-of center contruction cunducts us to aeven more limited use, mainly due the image reversing at viewfinder.
The most probably use where quietness in work is essencial for reproduction operations in great enlargements, being so, my votes towards this aim, perhaps police use for fingerprint identifications
Regards
LP |
| Jacques M. |
Posted - Mar 16 2015 : 12:11:49 PM
Many Focaflex(es)work no more, alas.
It was a very clever system, but fragile. And Foca was no more at its best in these years: it was too late.
Thanks for this beautiful scheme, Luiz.
About my NKVD "reflex", I wonder about the mirror.
The axle of the periscope is not exactly centered. So, if I understand how all that could mechanically work, I am not sure of the optical work. Certainly several parts are missing.
All that just to discuss. As we don't know what was the use of the camera, it's difficult to imagine how it worked.
Amitiés. Jacques.
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| Luiz Paracampo |
Posted - Mar 15 2015 : 8:51:16 PM
Focaflex schematics (moving mirror)
http://www.ussrphoto.com/UserContent/1532015_focaflex.png
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| Luiz Paracampo |
Posted - Mar 15 2015 : 8:41:02 PM
this interesting system of course have to há a very small mirros aiming the center of the lens. In Ucaflex I saw a very slight "V" in the moving mirror mount
That way all the system can be contained in the small lens register of FED câmeras.
A beter solution was made in Periflex câmeras where a fumm rigid periscope comes up and down.
This system does not deregulate in full camera's life and no matter in which position it will stand.
Anothes extraordinary solutin was built in French Focaflex prototype where the screen is a cylindrical frosted mirror in the bottom! having a semi transparent fixed mirror! -current production boasts moving mirror!
Regards from a hotting Brazil impeaching the President!
LP |
| Jacques M. |
Posted - Mar 15 2015 : 12:09:39 PM
Thousands of thanks for your schemes, Luiz. Fascinating!
So,with this Fed, there were two lines of sight:
- one through the extra finder, via the prism and the frosted glass,
- the other through the usual viewfinder.
There is not much room inside the chamber, so, the mirror had to be small. Anyway, there is a trace of its rotating axle, towards the rear of the "periscope" (my photo posted at 11.27.23)
All that was certainly not very easy to use. This camera was made in 1938 (perhaps 37) and the SLR had officially appeared two years before with Exaktas and GOMZ Sports which were probably expensive and difficult to find. So, a very special work for this camera? A prototype? Made before WW2? And with which lens?
Thanks for the link towards the Zorki 4 periscope, Vlad. I remember having seen it at Alain's. What a mess to mount and dismount it!
Amitiés. Jacques. |
| Lenny |
Posted - Mar 15 2015 : 11:09:14 AM
Thanks Luiz,
and the little mirrow is missing.
I think there must be much more Feds with this modification. |
| Luiz Paracampo |
Posted - Mar 15 2015 : 11:00:48 AM
this câmera Works in a similar way to Ucaflex
http://www.novacon.com.br/odditycameras/Ucaflex.htm
The following pictures show the operation principles of such cameras.
In this picture – Elements in the focusing position
http://www.ussrphoto.com/UserContent/1532015_UCA1.png
In this picture – Elements in the picture taking position.
http://www.ussrphoto.com/UserContent/1532015_UCA2.png
Regards LP
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| Vlad |
Posted - Mar 14 2015 : 1:52:55 PM
Very cool, congratulations Jacques! Is it possible it's the earliest known PDF (periscope FED) version? It's too professionally done..
http://ussrphoto.com/Wiki/default.asp?WikiCatID=17&ParentID=1&ContentID=469&Item=P%2ED%2EF%2E
Vlad |
| Lenny |
Posted - Mar 14 2015 : 12:31:52 PM
Thanks Jacques,
and because this modification was expensive it might happened when this Fed was new, long time ago.
Sad that parts are missing. |
| Jacques M. |
Posted - Mar 14 2015 : 11:46:59 AM
I am surprised by all this tiny work, really well made.
Impossible to imagine it could have been made on the corner of a table...
Certainly the cost was high, so the utility of this modification was probably important.
Really I wonder what it was used for... Industry? Laboratory?
All ideas are welcome!
Amitiés. Jacques. |
| Jacques M. |
Posted - Mar 14 2015 : 11:36:06 AM
http://www.ussrphoto.com/UserContent/1432015_DSCF1814.JPG
The film plate was replaced by black velvet....
http://www.ussrphoto.com/UserContent/1432015_DSCF1820.JPG
Another image of the extra finder, and the speed wheel with nine holes on the S ("Z" position on the photo). |
| Jacques M. |
Posted - Mar 14 2015 : 11:27:23 AM
http://www.ussrphoto.com/UserContent/1432015_DSCF1816.JPG
The end of the "periscope". When looking through the extra finder, I see a frosted glass. Of course, there is a prism or a mirror between the two.
All is jammed, so, it's difficult to know how all that worked exactly. Certainly the lever served to push the periscope downwards. And probably the spring raised it.
One or two parts are certainly missing.
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| Jacques M. |
Posted - Mar 14 2015 : 11:15:45 AM
Well, some new photos:
http://www.ussrphoto.com/UserContent/1432015_DSCF1812.JPG
http://www.ussrphoto.com/UserContent/1432015_DSCF1818.JPG
A very neat work on the cover, with the handle and a cam.
The cam works (it should work) on the small lever, near the extra finder. |
| Jacques M. |
Posted - Mar 13 2015 : 12:44:01 PM
No, I don't think the modification was made by the factory. But certainly it was made professionaly. Probably for a technical use: microscope, telescope or other.
It seems the inside has been repainted in black after the work. As for the date of the modification, impossible to say. The seller knows nothing.
Of course, this camera is not the first reflex. But it is the first NKVD reflex. Sure! And it is one of the first S (without lens).
I will dismount it tomorrow.
Amitiés. Jacques. |
| Valkir1987 |
Posted - Mar 13 2015 : 10:29:13 AM
It must have held some small flip up and down mirror to peak through the lens. For microscope use perhaps?
quote:
I hate shoe polish on a camera.
I agree, there is nothing better than pure undyed beeswax to conserve leather and vulcanite. |
| Lenny |
Posted - Mar 13 2015 : 09:34:14 AM
Yes Jacques, all these cameras take a lot of time. At the moment I'm trying to remove some black shoe polish from the vulcanite. I hate shoe polish on a camera.
Do you think your viewfinder looks like factory made?
I don't have a clue what it can be.
Thanks for your photos. |
| Jacques M. |
Posted - Mar 13 2015 : 09:09:12 AM
Another riddle:
http://www.ussrphoto.com/UserContent/1332015_DSCF1810.JPG
http://www.ussrphoto.com/UserContent/1332015_DSCF1811.JPG
It seems that the extra window on the rear is connected to something which looks like a periscope inside. The periscope being driven with the small crank... All that is jammed. I will dismount it when I have time.
If you have ideas... The first reflex camera?
Amitiés. Jacques.
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| Jacques M. |
Posted - Mar 11 2015 : 04:57:15 AM
Yes, Juhani: the shoe and the rear part.
I just wonder what it is.
Amitiés. Jacques. |
| cedricfan |
Posted - Mar 10 2015 : 11:25:36 AM
So what all is strange? A wrong shoe put into it? And something extra in camera rear, below shoe, not clearly visible in pictures?
Best regards,
Juhani |
| Lenny |
Posted - Mar 10 2015 : 06:37:16 AM
quote:
Originally posted by Jacques M.
I fear it's no more on eBay...
Sure, I can tell you more in a while.
Good day Jacques,
yes on some occasions you need to be quick before the rest of the wolves smell the meat. At least this Fed wasn't expensive. I thought that I won't use this occasion and give the luck to the next fastest collector. Happy it was you. |
| Jacques M. |
Posted - Mar 10 2015 : 06:14:25 AM
Hi Lenny,
I fear it's no more on eBay...
Sure, I can tell you more in a while.
Amitiés. Jacques. |
