"Daniel J. Mitchell" wrote:
>
> > Don't forget that mirror lenses lose about a stop to the middle mirror, so
>
> > you wouldn't need an Neutral Density filter in daylight unless your ASA
> was
> > over 400, even with 1/1000.
>
> This is another interesting point, actually; I can see two possibile setups
> here:
>
> 1. lightweight kit
> 2. heavyweight kit
>
> If I'm carrying the lightweight kit, I have the mirror lens, and probably
> don't have a big hefty stable tripod. This means I'm really going to _want_
> to be up at 1/500th or faster to avoid shake issues.
>
Oh yes, I meant to mention in my other mail that this is one of the
problems with my mirror lens - it's so light it's tempting to think I
can get away without a tripod, when one would really be a good idea. No
need for a big heavy one, but a tripod is still definitely useful.
Roger
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