Showcase aus Jena T 50mm/2.8 (or Carl Zeiss Jena Tessar 50mm/2.8)

xXx1

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This is the zebra version. Paid 30 euro for very good example, can be had much cheaper.

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Aperture 2.8, soft
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Detail from above, nice "glow"
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Aperture 4, much better
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Aperture 5.6, pretty nice

Very typical Tessar behaviour. Tessars were very popular in P&S and enlarging lenses. Quite many macros
are tessars too. Much cheaper to make than planars (or rather double gauss lenses). Typical is very good performance stopped down and soft wide open.

Tessars are easy to make such a way that they focus very close. This lens has got minimum focus distance of 30 cm (magnification of 1:4). With 11mm extension tube will have magnification of 1:2 so will work as poor man's macro. Tessars made to macro lenses are of course of much better quality.

I will try to shoot some portraits with it next weekend. May be fun lens for that.
 

xXx1

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Aperture 2.8, too soft for my liking.

Best use is probably as a close focus lens. I have a Minolta 50mm macro so I don't need it for even that.
 

newst

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Taken with a different version of the Tessar 2.8/50. Mine is a collapsible lens in Contax Rangefinder mount. For this photo I had it mounted on an A6500.

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sven karma

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Got the zebra version for £10 out of a charity shop. On A7s.

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sven karma

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Nice, looks like you got a really sharp copy.
Yeah, it seems in decent nick (unlike the CZJ 135/3.5 I picked up with it that has stuck aperture syndrome - ironic, 'cos I was hoping it would replace a Sigma 135/2.8 which has gone that way.

The 50/2.8 is, as already noted, not that sharp at f2.8, but at root I appear to prefer a more generous MFD (0.35 on my copy) to more aperture.
 

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