"Equivalence" demonstrated: Canon 5D and Panasonic GX1

Started Apr 27, 2013 | Discussions thread
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Re: "Equivalence" demonstrated: Canon 5D and Panasonic GX1
In reply to walkaround, Apr 27, 2013

Here is another example.

Panasonic GX1 with Canon FD 50mm 1.4

Canon 5D with EF 100mm 2.0

Again, both taken with the exact same camera settings.

The summary: an f/1.4 lens on a m4/3 camera acts like an f/2.8 lens on a 35mm camera for the purposes of framing and depth of field only. For exposure and "final brightness", "total light", prints or any other visual idea you want to throw in there, it acts like what it is: an f/1.4 lens.

NOTE: the exif in dpreview for the GX1 is showing the lens as a "Tokina 28mm". I don't own a Tokina lens, there is some kind of software glitch. The lens used was an old manual Canon FD, with a Novoflex adapter. This is why there is no aperture shown.

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