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REVIEW: Pentor 135mm f/2.8

Reviews
Posted by Bengt Köhler Sandberg 2012-11-08

Pentor 135mm f/2.8

Specs:

Lens:
135mm

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

Focus:
Infinit to 2.2m (7ft)

Weight:
370g

Mount:
M42

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


Image quality

Wide open:
Good center sharpness
Quite a lot of corner softness for a 135mm

Renders very good at all apertures.
Lose a tiny bit of contrast towards the middle at f/22

Analogue B&W film
Pentor 135mm 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
Looks great
Pentor 135mm
                                                      f/2.8
Pentor
                                                          135mm f/2.8


Digital
Pictures taken with a Canon 500D at ISO100 and I used a M42 to Canon mount adapter
Pentor
                                                          135mm 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
Pentor
                                                          135mm f/2.8
Pentor
                                                          135mm f/2.8

Flare / Backlight
Pentor
                                                          135mm f/2.8
Pentor
                                                          135mm f/2.8


Sample
Pentor
                                                          135mm f/2.8
Pentor
                                                          135mm f/2.8
Pentor
                                                          135mm f/2.8
Pentor
                                                          135mm f/2.8


Filming
Pentor 135mm f/2.8

Build quality

Very good and solid.
Also have a great feel to it.


Conclusion

Nice lens with good build quality.
Image quality is good but quite a lot of corner softness for a 135mm lens.
Handles backlight very well and nice bokeh.

Thumbs up:
Image and Build quality
Bokeh
Flare / Backlight


Thumbs down:
Corner softness
Closest focus of 2.2m (7ft)



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

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