Jupiter 9 M39 vs M42

sduttala

New to Mu-43
Joined
Dec 29, 2010
Messages
2
I need some help deciding between Jupiter M39 and M42. I have a GF1. I want a fast lens in the 85 mm range so decided to buy Jupiter 9. I would like to know if
1. Both the models give me same picture quality and
2. Any one of the models have any advantage regarding adapters for my GF1

Thanks
Satish
 

robertro

Mu-43 Veteran
Joined
Apr 22, 2010
Messages
235
I have both; I like the silver M39 model better because it looks good on the camera! I suspect that IQ will depend more on the (good or bad) treatment that the individual samples have received than anything else.

Either is easily adaptable to m4/3.
 

Brian S

Mu-43 Top Veteran
Joined
Apr 11, 2009
Messages
714
The M39 version, M42 version, and Contax/Kiev version have the same optics. The M39 version is longer.

If you can find a gently treated 1950s J-9, optically better. My 1958 J-9 is as sharp as the Nikkor 8.5cm F2.

On a u43 camera, no problems with focus. On a Leica, the J-9 is made to the Zeiss standard and usually needs to be adjusted for use.
 

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