I probably sound like a noob for asking this but I have never tried it but does the low light ISO using the dx mode on a fx camera preform as well as the low light ISO when shooting FX or does the loss of light make it's preformance equal to a Dx body?
Odd question(6 posts) (6 voices)
There is no loss of light.
FX shot in DX mode throws away the outer pixels. You're only using around 1/2 the sensor.
Since there is no physical change in the sensor there is no change in the light gathering ability.
That is a good question, actually.
Get to it, you people with D700s, D3, D3x and D3ses!
(I'm having trouble writing the plural of D3s.)
Nope fullframe bodies have better MicroLenses on their Chips, you should even get a little bit less vignetting like on real DX bodies... Low light situation is the same as with FX lenses, but you loose resolution/pixels.. despite the fact, that all FX bodies use their pixels more wisely.. I ->think<- you wouldn't recognize the difference.
kyoshin - works exactly the same, the dx mode just throws away the outer pixels as testing123 wrote
dx mode doesnt change the sensor.. still the same old great High iso capabilty..
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