I hesitate to say this since it's not my intention to cause a new flurry
of testing but, if it can't be done with 10X live view on 4/3 at 24mm I
don't believe it can be done with at 50mm with an OM and 2-13 screen.
Chuck Norcutt
Moose wrote:
> 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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