On 8/18/2010 7:10 AM, Ken Norton wrote:
> Out of curiousity, I fired up the OM-3Ti last night and attempted to
> focus on my targets at 4, 5 and 6 meters. Using the 50mm F1.4 lens, I
> was able to individually select the focus using the ground-glass on
> any of the three targets. The 2-13 screen has a nifty feature, though.
> When in focus (or nearly so), it shimmers. I've used that function
> many a time. Between the 5 and 6 meter targets, focusing wasn't overly
> easy and in low light or when focusing on a low-contrast object I
> would say that it requires a little back and forth tweaking to find
> the sweet spot. But in normal light with normal contrast object, I
> wouldn't hesitate to say that it wasn't a problem.
>
> With the 24mm F2.8 lens, things are a different story.
But in the context of the "Great Focus and DOF Test" you don't need to focus
24mm on FF to that accuracy, do you? I'd
think 50mm on FF is the equivalent, for this test, of 25mm on 4/3.
Moose
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