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MFLenses 2026

Manual Focus Lenses Forum

Explore the world of vintage lenses through repair notes, real test shots, and detailed archive threads packed with images.

Explore the world of vintage lenses through repair notes, real test shots, and detailed archive threads packed with images.
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Komura Kohki 105mm f2
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All shot wide open Very Happy







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Ok sharpness and not a huge lot of contrast (fixable these days so not really a problem), but what I like is it has an interesting glow.

I'd like to see more from this. Good catch!


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At f/2 I think it looks quite good. I love Komura lenses. Well made, aren't they?!!! Mine had a very nice feel and the aperture rings work so smoothly. Where did you find it? I was looking for one too and let one get away.


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Not quite as sharp wide open that I hoped for, but I'll run some more tests before I make up my mind Very Happy

Build quality is very good, with smooth aperture ring for sure Very Happy
I found the lens on ebay.co.uk

Thx for commenting


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The results look nice so far, outright sharpness isn't always everything, I know it's desirable but on a lens so suitable for portraits there are more important things!

The lens is a nice looking thing too Smile


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That glow/softness on the portrait does a lot for it.


patrickh


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This lens would deserve full frame i think.


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Komura was never been famous from sharp lenses at wide open, but sharpness is not everything.. I like it's output.


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I agree, sharpness isn't everything Very Happy

My impression is that Komura lenses is a bit rare on the used market?!?


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Nordentro wrote:
I agree, sharpness isn't everything Very Happy

My impression is that Komura lenses is a bit rare on the used market?!?


Very rare and under rated especially their more common lenses . I had 200mm and 135mm both are sold after test I found their color rendering was better than most lenses from that ages.


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Hmm, I needed to clean some dust of this lens so I took a couple of shoots with it.

I think I need to use this lens more, I almost forgot I got it Wink



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That is a nice picture!
Taken WO??
This lens deserves good use!


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i really like this lens..incredible sharpness and bokeh ..perfect


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Thx for your response, I don't remember if I shot this wide open or close to wide open to be honest Wink

Bokeh is soft and nice. I count 12 blades inside.


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The last picture is wonderful, the sharpness on the eyes is perfect. I'd be very happy with that lens.


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Your mileage may vary but I have always found most Komuras to be very good with blues. Not sure why ? The other lens I find good for blues is the SMC Tak 200/4 again not sure why? It is the only Tak I find way above par with blues. Of course I like a Leica blue too but thats another story Smile

I find my Komura 135 is great at portraits of people with blue eyes as they really stand out against everything else.


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Now I'll have to pay more attention to the blues. I have the f/2.5 version and while it's not my sharpest lens at the length, it has an all around nice character and IQ.