Want to Buy Mamiya Press 100mm f2.8

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aconbere

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I’ve been struggling to find a copy with unreservedly clean glass.

[edit] Prefer the later black seiko shutter
 
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B.S.Kumar

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My lens is mounted in a Seikosha-S shutter. AFAIK there is no specific difference in the ergonomics.
 
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aconbere

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B.S.Kumar said:
My lens is mounted in a Seikosha-S shutter. AFAIK there is no specific difference in the ergonomics.
Click to expand...

So with the original Seikosha-S shutters you adjust the aperture with a tiny arrow at the bottom of the shutter and it basically necessitates looking at the shutter to make the adjustment.

The later Seiko shutters added a larger paddle that can be used and printing at the top of the lens to display the selected aperture.

It’s not a big deal, but if I can find one like that I’d choose that.
 

B.S.Kumar

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I understand your preference. I added a couple of photos to my listing. The aperture scale is visible on the top of the lens. The "tiny arrow" has a large paddle so you don't need to use a pencil to adjust it. The only difference is that the later Seiko shutters have a more easily visible shutter speed scale.
 
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aconbere

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I see I see, interesting, that is much better than the aperture controls on the Seikosha-S shutters on the 90 and 150 I have. Hmmmmm
 
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