If I wanted infinity focus it would have been easy enough to achieve
using the moon. But what I wanted to capture was from about 50 feet on
out to infinity. Even so, my DoF calculator tells me that at 14mm and
f/5.6 on the E-M5, even focused on infinity I'd still get down to 7 feet
in focus even using a stringent 60 lines/mm for the CoC. But I didn't
know that at the time I was making the shot.
Chuck Norcutt
On 4/14/2013 11:40 AM, Ken Norton wrote:
> I usually use something like the radio tower's anti-collision lights
> to set infinity focus. A pinpoint light source like that is sometimes
> the only thing I can see in the viewfinder.
>
> --
> Ken Norton
> ken@xxxxxxxxxxx
> http://www.zone-10.com
>
--
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