on 2013-06-12 16:32 David J Brooks wrote
On Wed, Jun 12, 2013 at 12:09 PM, Darren Addy <[email protected]> wrote:
Sure!
http://forum.mflenses.com/hanimex-300mm-f5-6-mirror-lens-t52417.html
http://forum.mflenses.com/hanimex-300mm-f5-6-mirror-t-mount-on-sony-nex-3-t52382.html

Nice. This is the dual stop down model???i forget what it was actually
called, it has two f stop rings. Dial in them both for the exposure,
then you can open up the other to see enough light to focus.

that's called "preset", and also handy for video effects when the aperture ring is clickless, but a mirror lenses with aperture adjustments is new to me


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