Micro Four Thirds Focal Reducer Shootout

Started Feb 20, 2014 | Discussions thread
OP brian Senior Member • Posts: 1,196
Re: Micro Four Thirds Focal Reducer Shootout

MichailK wrote:

Many thanks to Klamo and Brian!

These answers are really educative for inexperienced guys like me!

Now this makes me wonder if hot spotting in general can be fought with filters bu I suppose that some catch will be there as well, wouldn't it?

Also I want to ask Mr. Caldwell, if I had the Metabones adapter with my current favorite '80s Nikon 50mm 1.4 Ai-S, should I use the lens iris or the adapter's or both for best shooting results?

This arises by the fact that I see no such adapter in the market without an iris to cut costs for lenses with proper mechanical iris in place.

The Metabones adapters don't have a separate iris diaphragm.  Instead, they have a tab that controls the iris diaphragm inside your lens.  The tab mechanism has a special cammed design that allows the adapter iris control ring to have the same total angular throw as your '80's Nikon lens.  Also, the adapter iris control ring is stepless (i.e., no clickstops), which is preferred by videographers and cinematographers.

So, you can choose whichever control ring you want.  Just make sure that the control ring you decide not to use is set to its minimum aperture position.

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Brian Caldwell

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