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LENS PORN: SMC Pentax-M 75-150mm f/4, Great Portrait Zoom Lens!

SMC Pentax-M 75-150mm f/4, Great Portrait Zoom Lens!
SMC Pentax-M 75-150mm f/4, Great Portrait Zoom Lens!



The SMC Pentax-M 75-150mm f/4 looks like a nice range for portraiture. It is a telephoto zoom lens with constant maximum aperture of f/4 throughout the range. It is also blessed with the SMC treatment, which gives the familiar vivid colors and contrast of Pentax/Takumar lenses.

It is a tiny and compact lens, so I prefer this over 70-200mm zooms any day. For most, I don't zoom all the way to 200mm anyway.

I don't have a Pentax camera to properly test this lens, so there're only a few samples, freelensing on my Nikon D5200.

My copy suffered from severe fungus coverage at the front and rear glass elements. The cosmetic appearance was mint so it's a good bargain to get myself busy with. The images were muddy and dark at first. But after cleaning, everything improved greatly.

Everything is already great at f/4, plus the nice blurry background (bokeh) that everybody wants when shooting portraiture.

It's not a macro lens that you can use with shooting flowers, tiny subjects and closeups given its minimum focusing distance of 1.2 meters (but that's closer than most, which have 1.5 meters). However, you can easily find for yourself an extension tube or 49mm macro filters out there.

Build quality is very excellent. All metal and glass, no zoom creep, and has built in retractable hood. Perhaps the only annoyance is that one needs to re-focus after zooming.


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SPECS

SMC Pentax-M 75-150mm f/4

Years Produced
1980-1985

Minimum Focusing
1.2 meters

Focus Throw
Almost 180 degrees

Filter Thread Diameter
49mm

Aperture Run
f/4 - f/32
(6 blades)

SMC = Super Multi Coating

Pentax-M = Manual lens

With Built in retractable hood

Made in Japan






SMC Pentax-M 75-150mm f/4, Great Portrait Zoom Lens!



SMC Pentax-M 75-150mm f/4, Great Portrait Zoom Lens!


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Samples


Freelensing only
on my Nikon D5200


Before cleaning the fungus





SMC Pentax-M 75-150mm f/4, Great Portrait Zoom Lens!

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Links

SMC Pentax-M 75-150mm f/4
https://flic.kr/s/aHskZnhGbm

Video Demo
https://youtu.be/w1IYi3JTCx0


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The Nikon D5200 as my weapon of choice.

Vintage lenses are my poison.

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