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p.2 #8 · Mamiya macro sekor 60/2.8 M42 | |
evdelos
This is a preset type of lens.
The inner ring (closest to the camera body) sets the smallest aperture, say f11for this conversation. The outer ring is what you turn for DOF and shutter speed controls. So for this example, you cannot stop down the aperture lower than f11.
I find presets very useful because you get real-time DOF previews.
On my Pentax and Canon cameras this lens works best with Av shooting mode.
It's a fantastic lens by the way.
Ecinops

7D, Mamiya/Sekor M42 60mm f2.8 macro, f11 @ 1/20, ISO 800
M
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