=================
If you look at the NIkon & Canon line-up, you'll see that there
are inexpensive amateur cameras with much pro potential. The way
the manufacturers draw lines of demarcation for marketing to pros
is via the synch speed. Most amateur cameras go to 1/125th. Most pro
units jump to 1/250th.
=================
Actually, only the high end pro EOS models have 250 X sync. EOS A2
is only 1/200. No long discontinued, the EOS 620 had 250 sync,
but no mirror prefire.
By far, the most camera for the money on the market today is
the Pentax PZ-1P. You get mirror and aperture prefire, 1/250
X sync, TTL flash AE, and spotmeter. Not many cameras offer
this combination of features-- with Nikon, only the now discontinued
F4 and F5 offer it. With EOS, only the EOS-1n (and EOS-1RT,but it has
not moving mirror to lockup).
But I don't see fast sync as an issue for doing an image of a finch
at 50 feet with fresnel flash. This won't be in bright sunlight
(birds are active early and late in the day) so a 1/60 sync will
be fine. In fact, the purpose of fresnel flash in bird photography
is to use slower shutter speeds with the parallel beam flash used
to freeze the action of the bird while a slower shutter speed might
be needed for the background that won't be illuminated by the
flash.
But with a 350/2.8 lens and 1.4x TC you would be at a disadvantage
compared to someone with a 400/2.8 or 600/4, as they can use a
teleconvertor too to get more reach.
Joseph
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