On Mer, 1 apr 1998 9:00, J. Williams <mailto:williams@xxxxxxxxxxxxxxxx>
wrote:
>Which screens are best for Astrophotography and macro-photography (in the
>1:2 to 1:1 range)?
Again, 1-8 was recommended for astro; 1-6 and 1-7 for brighter and darker
teles respectively. 1-4 can be useful also for very long teles.
1-10, 1-11, 1-12, 1-4 were recommended for macro. According to many, 1-6
can be useful too.
>What is the least expensive, best (sharpest) method for making slide
>copies?
A macro lens, bellows, slide copier, slide copy film, TTL flash exposure
(some bracketing for darker or brighter slides). You can avoid the slide
copy film if you do some "flashing" that is if you allow some light to
"veil" the film before, during or after the main exposure. There are a
variety of methods to do so. Your 90 macro should be an ideal lens for this
job.
Marco
mailto:tom@xxxxxxxxxxxx
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