On 1/27/2014 3:21 PM, Matthew Hunt wrote:
On Mon, Jan 27, 2014 at 3:17 PM, Dario Bonazza
<dario.bona...@virgilio.it> wrote:

Great, but what's the point of spreading the same amount of light
gathered by the same front lens on a larger sensor having say the
same pixel count (e.g. 24 MP) while losing one stop for exposure?

To smooth the transition for people with APS-C lenses, I suppose.
(I don't know if it makes more sense than just cropping the middle
portion of the FF sensor. I guess it depends on the FF pixel count,
and whether a bigger but darker viewfinder image is better than a
smaller, vignetted one.)


I expect it is "full-frame" in the sense that it would not vignette the
image from a "full-frame" lens. I don't see how it would make an APS-C
lens have a larger image circle.

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