As has been mentioned and proven innumerable times, the effective (as in,
visually in terms of DOF, blur, et al) f stop in this case is f/4. It
doubles as does everything else.
On 1/5/13 6:16 AM, "olympus-request@xxxxxxxxxxxxxxxxx"
<olympus-request@xxxxxxxxxxxxxxxxx> wrote:
> The crop factor (angle of coverage) makes it a 56mm equivalent but the
> real focal length is still 28mm and the real focal ratio is still f/2.
> No f/4 about it.
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