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taygull · 12-28-2007

I think what he is trying to say is....the flash does not compensate for the crop and it should...(I kinda agree).

What would be interesting look at is set a 40D next to a 5D. Put a 50mm Lens and a 580EX on the 5D and then put your 16-35 on the 40D along with a 580 EX, shoot the same subject with everything being the same.

Set the 40D to a focal length of 31.25 which should be very close to capturing the same as the 5D as far as amount of subject in the image. I'd be curious to see how the lighting would be different since the 40D would adjust the spread to a 31.25 but it would tell the 5D to spread the light to 50mm.

12-28-2007	#16 (permalink)
taygull Vicuna Posts: 142 CamelKarma: 564 Gallery \| Blog	Re: 580EX II Zoom Range I think what he is trying to say is....the flash does not compensate for the crop and it should...(I kinda agree). What would be interesting look at is set a 40D next to a 5D. Put a 50mm Lens and a 580EX on the 5D and then put your 16-35 on the 40D along with a 580 EX, shoot the same subject with everything being the same. Set the 40D to a focal length of 31.25 which should be very close to capturing the same as the 5D as far as amount of subject in the image. I'd be curious to see how the lighting would be different since the 40D would adjust the spread to a 31.25 but it would tell the 5D to spread the light to 50mm.