Objection noted and accepted. 50mm is the relevant test lens for the
OM. But I still have very strong doubts. Perhaps the much shallower
DoF of a 50/1.4 would allow it but that's a much different kettle of
fish than 24mm at f/3.2 on a 4/3 camera. To keep the DoF equivalent on
the OM the 50mm would have to be focused at f/6.3.
Chuck Norcutt
Moose wrote:
> On 8/19/2010 2:36 PM, Chuck Norcutt wrote:
>> I think he just thinks he can. The last two markings for focus on
>> the 24/2.8 are 3 meters and infinity. They are separated on the
>> ring by about 2mm. If he can feel the ring move he already passed
>> the difference between 5 and 6 meters.
>
> I'm objecting again. The original requirement was to differentiate
> focus between 5 and 6 meters with a 24mm lens using enlarged (10x,
> 14x?) Live View on a 4/3 camera. The equivalent exercise for OM/FF,
> that is, with roughly the same subject area , at the same apparent
> size relative to image area, in viewfinder/LCD, and eventually on
> film/sensor, is with a ~50mm lens.
>
> How this got into trying to do it with a 24mm lens on an OM, I don't
> know, but that is a much more stringent test - and I don't see the
> point. (Well, I wouldn't be able to see it, would I, what with it
> being half the size.)
>
> Pointedly Objectionable Moose
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