Thank you Bob.
Steve
On Aug 21, 2007, at 5:18 PM, Bob Wise wrote:
Use 1/250 for your rule of thumb. The cropping isn't image
magnification.
-bw
On Aug 21, 2007, at 2:51 PM, Steve Parrott wrote:
I know someone here can answer this for me. I will try to explain as
clear as I can.
I know the "rule" is your shutter speed should be at least the
reciprocal of your focal length to avoid blur, (assuming no form of
image stabilization).
I want to use a lens with a max zoom rating of 250 on a digital SLR
with a crop factor of 1.6, so the 35mm equivalent would be 400mm.
When zoomed all the way out, should I be sure my shutter speed is at
least 250.... (the lens rating), or 400.... (the 35mm equivalent)?
Thanks all,
Steve
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