I thought we'd dealt with that one recently.
The view is smaller, not dimmer.
An aperture is an aperture is an aperture.
The sensor size does not affect it.
If I put my Zeiss 180mm f2.8 medium format lens on 35mm, it does not become an
f2.
I can put it on my E-P2 and have done for fun. Does it become an f.1.4? No.
My Voigt. 25mm f0.95 is still that aperture on mFT.
It's DOF that is affected.
Andrew Fildes
afildes@xxxxxxxxxxxxx
On 16/12/2010, at 12:31 AM, Chuck Norcutt wrote:
> But the reason for an f/2 macro lens is not for you to shoot at f/2.
> It's so you can still focus at an effective f/3 instead of f/5.3 when
> you're at half life-size. That said, I only have the f/3.5 version.
> f/2 is too expensive. :-)
--
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