Thinking of swapping from MFT to full DSLR - Advice?

Started Mar 29, 2013 | Discussions thread
John Siward
Regular MemberPosts: 215
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Re: Thinking of swapping from MFT to full DSLR - Advice?
In reply to oklaphotog, Mar 29, 2013

oklaphotog wrote:

Joe Pineapples wrote:

so they give the same exposure, i.e. surface brightness on the sensor, yes? Same amount of light per unit area, agreed?  The "amount of light projected on the full frame sensor" = the amount of light per unit area (same for both sensors) x the area of the sensor (greater for the FF sensor). So the "amount of light projected on the full frame sensor" is greater, not the same.  Why does the lens collect more light? Because it's a bigger 'ole etc... (see above).

I've no interest in discussing holes further. If you want the long, detailed version it's here:

http://www.josephjamesphotography.com/equivalence/index.htm

Joe

What matters is exposure though.

Exposure is only half the story.  You should listen to Mr. Pineapples. I am surprised that there are so many people posting on a photography forum who don't understand the simplest things about their equipment.

J.

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