You got it right, Robert. The guideline is just a rule of thumb that
depends on your final use of the photograph. Most landscape
photographers that do larger prints use tripods, good ones, instead
of handholding, because sharp fine detail is important to them. And
they get into arguments about which tripod is most stable with the
least movement. They all move. The 1/FL guideline is OK for average
prints without much enlargement.
You would use the 35mm equivalent with a digital camera because the
multiplier also applies to the print size. For instance a tight head
shot will be enlarged, along with its motion, twice as much as the
tight head shot with your OM to get your 11x14.
Winsor
Long Beach, California, USA
On Oct 26, 2005, at 3:50 PM, Robert Swier wrote:
> A well-known guideline for hand-held photography is that in order
> to avoid
> camera shake, you should not use a shutter speed slower than one
> over the
> focal-length of the lens. So, for a 100mm lens, don't go slower
> than 1/100.
> Since that's not a standard speed, round up, and don't shoot slower
> than
> 1/125.
> Here's the question: What's the equivalent rule for the E-1? (Or more
> generally, for any system with a frame size different from 35mm).
> My feeling is that you need to convert to the 35mm equivalent in
> order for
> the rule to still work. That is, if you get camera shake when
> shooting a
> 100mm Zuiko at 1/60, then you'd also get shake when shooting the 50mm
> Digital Zuiko at 1/60.
> That's right, isn't it?
> Cheers,
> Robert Swier
> Toronto
>
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