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REVIEW: Pentacon 50mm f/1.8

Reviews
Posted by Bengt Köhler Sandberg 2014-05-13

Pentacon 50mm f/1.8 (M42)

Specs:

Focal length:
50mm
Weight:
195g
Optical design:
6 elements in 4 groups
Mount:
M42
Aperture:
f/1.8 to f/16
6 bladed aperure
Auto or Manual
Covers:
Standard 35mm film size
(24×36 mm negative)
Closest Focus:
0.33m (1.1ft)
Filter Size:
49mm


Image quality


Analogue B&W film
Pentacon 50mm
                                                      f/1.8 (M42)
Pentacon 50mm
                                                      f/1.8 (M42)
Pentacon 50mm
                                                      f/1.8 (M42)
Pentacon 50mm
                                                      f/1.8 (M42)
Pentacon 50mm
                                                      f/1.8 (M42)
Pentacon 50mm
                                                      f/1.8 (M42)
Pentacon 50mm
                                                      f/1.8 (M42)
Pentacon 50mm
                                                      f/1.8 (M42)
Pentacon 50mm
                                                      f/1.8 (M42)
Pentacon 50mm
                                                      f/1.8 (M42)
Pentacon 50mm
                                                      f/1.8 (M42)
Pentacon 50mm
                                                      f/1.8 (M42)
Pentacon 50mm
                                                      f/1.8 (M42)
Pentacon 50mm
                                                      f/1.8 (M42)
Pentacon 50mm
                                                      f/1.8 (M42)


Bokeh
Pentacon 50mm
                                                      f/1.8 (M42)
Pentacon
                                                          50mm f/1.8
                                                          (M42)
Pentacon
                                                          50mm f/1.8
                                                          (M42)




Digital
Pentacon
                                                          50mm f/1.8
                                                          (M42)
Download full size image. Here
f/1.8 - f/2.8 - f/4 - f/5.6 - f/8 - f/11 - f/16

Youtube clip showing test images above in 100% cropped at center and corner.
Also in its original res.

Cosina 35-70mm
                                              f/3.5-4.8 MC Macro



Bokeh
Pentacon
                                                          50mm f/1.8
                                                          (M42)
Pentacon
                                                          50mm f/1.8
                                                          (M42)
Pentacon
                                                          50mm f/1.8
                                                          (M42)
Pentacon
                                                          50mm f/1.8
                                                          (M42)

Pentacon
                                                          50mm f/1.8
                                                          (M42)
Pentacon
                                                          50mm f/1.8
                                                          (M42)
Pentacon
                                                          50mm f/1.8
                                                          (M42)


Flare / Backlight
Pentacon 50mm
                                                      f/1.8 (M42) Pentacon 50mm
                                                      f/1.8 (M42)
Pentacon 50mm f/1.8
                                              (M42)


Extra Sample
Pentacon
                                                          50mm f/1.8
                                                          (M42)
Pentacon
                                                          50mm f/1.8
                                                          (M42)
Pentacon
                                                          50mm f/1.8
                                                          (M42)
Pentacon
                                                          50mm f/1.8
                                                          (M42)
Pentacon
                                                          50mm f/1.8
                                                          (M42)
Pentacon
                                                          50mm f/1.8
                                                          (M42)
Pentacon
                                                          50mm f/1.8
                                                          (M42)
Pentacon
                                                          50mm f/1.8
                                                          (M42)
Pentacon
                                                          50mm f/1.8
                                                          (M42)
Pentacon
                                                          50mm f/1.8
                                                          (M42)
Pentacon
                                                          50mm f/1.8
                                                          (M42)
Pentacon
                                                          50mm f/1.8
                                                          (M42)



More sample images can be found at:
http://www.sample-image.com/pentacon-auto-50mm-f1-8-mc/




Filming
Pentacon 50mm f/1.8
                                            (M42)


Build quality

Very well made and are solid as a rock.
The feel is also very good.


Conclusion

Image quality wide open has quite good center sharpness but also soft corners.
Renders well with nice contrast, bokeh and flare.
Stop it down a bit and you can get some great sharpness.

Closest focus of 0.33m (1.1ft) is always a nice plus and the size of the lens is still similar to most 50mm.

Overall a very nice lens.


Thumbs up:
Image quality
Renders, Bokeh and flare
Build quality and feel
Closest Focus: 0.33m (1.1ft)

Thumbs down:
Corner softness


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Technical Info

Analogue
Scanner: Plustek OpticFilm 7600i
Film: AGFA CINEREX (X-ray film)
Developer: Kodak Xtol

Digital
Canon 500D with lens mount adapter
Auto White Balance and ISO 100

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