Hmmmm.....not sure I agree with assertion that f/8 and f/12 are ok for auto
racing photography. I have a bit of experience in this specialty and have
found there is absolutely no substitute for big, fast glass. Working at f/8
means fast film to get the high shutter speeds you need. If you can live
with ISO 800-1000 film, that's fine. I like to use ISO 100 when I can and
never go faster than 400.
Also, longer than about 400mm gets *very* hard to hand-hold and get good
results. An 800mm is a looooooooooong lens to keep steady by hand. A
tripod, again in my experience, is out of the question at a race. It's just
too cumbersome and the action too fast. A monopod can work, sometimes, if
you are parked in one spot.
I have gotten my best race photos with a 300, with and without a 1.4x t/c,
or shorter. Ultra-long lenses compress depth of field so much, and manual
focus is so touchy, good focus is very hard to achieve.
John P
______________________________________
there is no "never" - just long periods of "not yet".
there is no "always" - just long periods of "so far"
Peter S. Halpern <phalpern@xxxxxxxxxxxxx> wrote:
Subject: [OM] I need info on a Starblitz 500-800mm Zoom mirror lens
>I am interested in purchasing such an item and was wondering if anyone has
>ever had one. Is Starblitz known for making good lenses? BTW the f stops
>are f8 at 500 and f12 at 800.
>
>I need something of that size to use for auto racing photography, thus the
f
>stops are OK... I don't need f2 or 4 for this application.
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