On Sep 16, 2005, at 11:42 AM, Barry Rice wrote:
Thanks for the speedy comments re: sensitivity. So my follow-up
question
(and then I'll try to get some work done today!)....is there any
reciprocity
failure issues with digital detectors? I'd think the detection was
fairly
linear with long integrations (exposures), but I'm guessing that
once those
little ccd buckets start to fill up with electrons, they might
start losing
linearity.
With extended exposure times, you'll ultimately see an increase in
noise and any marginally 'hot' pixels become visible. Noise Reduction
does a good job of masking the hot spots, however.
Godfrey
