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REVIEW: (Carl Zeiss) Jena T 50mm f/2.8

Reviews
Posted by Bengt Köhler Sandberg 2012-09-29

Carl Zeiss Jena T 50mm f/2.8

This lens comes from a time when two parts of Carl Zeiss was arguing over name rights and there for lenses was just branded Jena or Aus Jena.

Specs:


Lens:
50mm

Aperture:
f/2.8 to f/22
6 bladed aperure

Focus:
Infinit to 0.5m (1.7ft)

Mount:
M42

Covers:
Standard 35mm film size (24×36 mm negative)


Image quality

Wide open have nice and sharp center but quite noticeable corner softness which is visible to about f/8.
Renders very good at all apertures.

Analogue B&W film
Carl Zeiss Jena T
                            50mm f/2.8
Download full size image. Here (up to 5mb)
f/2.8 - f/4 - f/5.6 - f/8 - f/11 - f/16 - f/22

Bokeh
Not the best and can look quite bad in some occasions.
Carl Zeiss
                                                      Jena T 50mm f/2.8
Carl
                                                          Zeiss Jena T
                                                          50mm f/2.8


Digital
Pictures taken with a Canon 500D at ISO100 and I used a M42 to Canon mount adapter
Carl
                                                          Zeiss Jena T
                                                          50mm f/2.8
Download full size image. Here (up to 5mb)
f/2.8 - f/4 - f/5.6 - f/8 - f/11 - f/16 - f/22

Bokeh
Carl
                                                          Zeiss Jena T
                                                          50mm f/2.8
Carl
                                                          Zeiss Jena T
                                                          50mm f/2.8

Sample
Carl
                                                          Zeiss Jena T
                                                          50mm f/2.8
Carl
                                                          Zeiss Jena T
                                                          50mm f/2.8
Carl
                                                          Zeiss Jena T
                                                          50mm f/2.8
Carl
                                                          Zeiss Jena T
                                                          50mm f/2.8


Filming
Carl Zeiss Jena T 50mm
                                            f/2.8

Build quality

Very good and solid.


Conclusion

This is more or less the same lens as the Carl Zeiss Jena DDR Tessar 50mm f/2.8
And the image quality is very similar but feel this to have a little better corner softness but a bit worse bokeh.
Like all Zeiss lenses this renders very good.

Thumbs up:
Image and build quality

Thumbs down:
Corner softness
Bokeh (in some occasions)



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Technical Info
Scanner: Plustek OpticFilm 7600i
Film: Rollei RPX 100
Developer: Kodak D76

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