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01/25/2015 07:40

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the Tap: the small hole seen in the first image near the "4" in the rear fixture. This hole is not present in the LTM version of the wartime Sonnars, is only present in the Contax version. The Contax mount has a set screw at the rear of the mount to hold the optical fixture into the mount. The LTM version is simply screwed into the focus mount.

01/26/2015 10:03

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If you ever have to disassemble a CZJ Sonnar "T": the German finished lenses also have a hidden set screw to hold the front namering in place, but the ZK lenses and J-3's do not. SO: if the namering "fights back" when being removed, remove the aperture ring to look for a set screw. The German finished lenses also use a set screw to hold the rear fixture into the main barrel. The ZK and J-3 did not use them. This set screw goes through the main optics barrel into the threads of the rear fixture.

This is with the "newest" 1950 J-3, wide-open on the Monochrom.





Performance matches my original 1943 Zeiss 5cm F1.5 Sonnar T. "Because it is one"...The J-3 focus mount is improved over the original Zeiss Sonnar focus mount.

02/27/2015 07:35

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quote:
Originally posted by cedricfan

A very early "normal-sized" Smena-5 but still with the ugly paint Tongue


I wonder how many Smena-5 survived to this day. I think most of the 120000 pieces were burried in the garbage can many years ago.

02/27/2015 12:07

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quote:
I wonder how many Smena-5 survived to this day. I think most of the 120000 pieces were burried in the garbage can many years ago



The Smena is a very underestimated camera in my opinion. It could both be used as a day trip camera, or a camera for people with interest in photograpy. Many people in the east shot their daily life with these simple camera's, thats why they still have them.

02/28/2015 00:04

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quote:
Originally posted by LennyI wonder how many Smena-5 survived to this day. I think most of the 120000 pieces were burried in the garbage can many years ago.

And about 11 versions, which makes the amount of each version small.

Best regards,
Juhani

02/28/2015 07:43

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quote:
Originally posted by cedricfan
And about 11 versions, which makes the amount of each version small.


Good day Juhani,
you mean the 11 versions on sovietcams.com, right. There is another variant you can see on fotoua.com type 3b, a monochrome top without rim. But sometimes Alex used photos of different cameras to describe the same type, which is not good. So there might be at least 12 versions of Smena-5.

02/28/2015 07:51

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quote:
Originally posted by cedricfan

A very early "normal-sized" Smena-5 but still with the ugly paint Tongue


Which paint do you mean Juhani? Your #018339 looks like to have the speckled top. Or was the speckled top even painted?
Thanks Lenny

02/28/2015 19:15

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The Smena-5 type 3b on fotoua.com I mentioned above is the #090101. This variant isn't shown on sovietcams.com. There is another variant not shown on Aidas' site, you can find it still in the collection of Alex Komarov on fotoua, #014313. But it's already sold and Alex will delete this #014313 by time which is not good. Alex has both, #014313 and #090101 listed as type 3b, but they are little different and their serials are also far apart. #014313 has the speed 125 written on top while it's missing on the #090101. Aperature on #014314 is 16 while it's 22 on #090101. So there should be at least 13 versions of Smena-5.

03/13/2015 07:10

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Jupiter-8 has 6 elements in 3 groups, Jupiter-17 has 5/4. Obviously KMZ tried to make a cheaper version. On sovietcams.com is a Jupiter-17 #5301285 shown. It seems KMZ tried to find a better solution for some time. I assume there must be some different versions of Jupiter-17 and this #5400040 could be the last.

03/13/2015 18:40

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tHE JUPITER 17 WAS AN ERROR. IT SAVED ONE ELEMENT BUT RESULTS WERE POOR AND MANUFACTURING COSTS DID NOT APPEAR IN SCALE PROCUCTION.
lEITZ ALSO MADE ELCAN WHICH WERE SUMMICRONS 6 (THERE WERE SUMMICRONS 7) WITH ONLY FIVE ELEMENTS. RESULTS WERE NOT PLEASANT.
UNEXPLAINABLE THINGS OF TECHOLOGY.
REGARDS
LP

03/14/2015 00:00

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Hola Luiz,
sovietcams.com also show a Jupiter-16, an earlier prototype from 1952. The optical scheme looks like 8/3 but they describe it as 6/4. This type must be even more expensive than the Jupiter-8. It seems KMZ tried to find better solutions, first to improve quality and later to cut costs, but in the end they couldn't compete with japanese products like many other countries too.
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