All this talk about "equivalence" is silly

Started Jun 10, 2011 | Discussions thread
Great Bustard Forum Pro • Posts: 40,846
It's all true, actually.

Fabian628 wrote:

I agee there is alot of confusion amoung people.

Then get unconfused:

h ttp: www.josephjamesphotography.com/equivalence/index.htm#superduperquick

The worst confusion is when people think the apparent greater DoF menas that thier lens is not gathering as much light.

For a given perspective, framing, DOF, and shutter speed, all sytems put the same amount of light on the sensor:

h ttp: www.josephjamesphotography.com/equivalence/index.htm#1

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