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REVIEW: SMC Pentax-M 135mm f/3.5

Reviews
Posted by Bengt Köhler Sandberg 2014-03-16

SMC Pentax-M 135mm f/3.5

Specs:

Focal length:
135mm
Weight:
275g
Optical design:
5 elements in 5 groups
Mount:
Pentax K (PK)
Aperture:
f/3.5 to f/32
8 bladed aperure
Covers:
Standard 35mm film size
(24×36 mm negative)
Closest Focus:
1.5m (5ft)



Image quality


Analogue B&W film
SMC Pentax-M
                                                      135mm f/3.5
SMC Pentax-M
                                                      135mm f/3.5
SMC Pentax-M
                                                      135mm f/3.5
SMC Pentax-M
                                                      135mm f/3.5
SMC Pentax-M
                                                      135mm f/3.5
SMC Pentax-M
                                                      135mm f/3.5
SMC Pentax-M
                                                      135mm f/3.5
SMC Pentax-M
                                                      135mm f/3.5
SMC Pentax-M
                                                      135mm f/3.5


Bokeh
SMC Pentax-M
                                                      135mm f/3.5
SMC
                                                          Pentax-M 135mm
                                                          f/3.5
SMC Pentax-M
                                                      135mm f/3.5
SMC
                                                          Pentax-M 135mm
                                                          f/3.5



Digital
SMC
                                                          Pentax-M 135mm
                                                          f/3.5
Download full size image. Here
f/3.5 - f/5.6 - f/8 - f/11 - f/16 - f/22 - f/32


Bokeh
SMC
                                                          Pentax-M 135mm
                                                          f/3.5
SMC
                                                          Pentax-M 135mm
                                                          f/3.5
SMC
                                                          Pentax-M 135mm
                                                          f/3.5
SMC
                                                          Pentax-M 135mm
                                                          f/3.5

Flare / Backlight
SMC Pentax-M
                                                      135mm f/3.5 SMC Pentax-M
                                                      135mm f/3.5
SMC
                                                          Pentax-M 135mm
                                                          f/3.5
SMC
                                                          Pentax-M 135mm
                                                          f/3.5


Extra Sample
SMC
                                                          Pentax-M 135mm
                                                          f/3.5
SMC
                                                          Pentax-M 135mm
                                                          f/3.5
SMC
                                                          Pentax-M 135mm
                                                          f/3.5
SMC
                                                          Pentax-M 135mm
                                                          f/3.5
SMC
                                                          Pentax-M 135mm
                                                          f/3.5


Filming
SMC Pentax-M 135mm
                                            f/3.5



More sample images can be found at:
http://www.sample-image.com/smc-pentax-m-135mm-f3-5/



Build quality

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


Conclusion

Quite the small and lightweight lens for a 135mm which is always a nice plus.
Still well built and quite good performance.

Image quality is nice and sharp even wide open.
Do have some color fringing which is gone by f/5.6.
I find the bokeh quite nice at most cases but also a bit off at others.
Also handles flare and backlight very well.

I find it to be a good little travel tele when you don't want to carry more than needed.


Thumbs up:
Image quality
Build quality
Lightweight and quiet small
8 bladed aperure


Thumbs down:



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Technical Info
Scanner: Plustek OpticFilm 7600i
Film: Kodak Tmax 100
Developer: Kodak Xtol

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

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