Hi Ken, Moose and all,
From: Moose <olymoose@xxxxxxxxx>
>Although the text says the OM-4T will auto-expose up to two min., it
>gives only a rough guess estimate of the actual exposure.
<snip>
>Then if, for example, the actual exposure was closer to 1 sec. The 5D
>exposure times would be as little as 8 sec. @ ISO 3200 or 15 sec. @ 800.
>None of these are outside the range of the 5D with dark frame noise
>subtraction. Take a look at 30 sec. test exposures with and without the
>DF-NR. <http://www.dpreview.com/reviews/CanonEOS5D/page24.asp>
>
>Even without, it's fine, no colorful confetti, and the subject shot is
>nicely within the 5D's 30 sec. auto exposure limit @ ISO 400
Are you sure that the 5D's auto-exposure can actually _measure_ exposures as
long as 30 sec. @ ISO 400 _and_ wide open? The 300D goes no longer than 6
sec @ 400 or 1.6 sec @ 1600 (which is the equivalent LV indeed)
Of course, I'm talking about _metering_ capabilities -- with unmetered
manual and/or bulb you may go as long as you like... and yes, I don't think
'colorful confetti' shoud be an issue.
>AG, I'm perfectly willing to accept that the color is more to your
>liking, grain/noise more to your taste, etc. - and perhaps most
>important, that you simply like using film better.
These are very good points indeed.
>And the image subject
>to discussion is quite lovely.
Sure, and beatifully portayed -- nice pic, Ken!
>It may even be better than any DSLR could
>capture of the same scene - but not because of the long auto-exposure
>limit on the OM-4T.
But OTF does have some real advantages -- conventional metering could be
fine 99.99 of the time, but sometimes there's no substitute. Not only the
higher sensitivity (and with faster film, the OM-2n is _way_ better than the
4 on this respect) but a "slowly" changing situation like this is what makes
OTF great!
Film vs. digital is a different matter, of course... but it has been
"proved" that there's no way to do OTF (or should we say OTS?) with a
digital sensor, Oly or whatever.
Cheers,
--
Carlos J. Santisteban Salinas
IES Turaniana (Roquetas de Mar, Almeria)
<http://cjss.sytes.net/>
--
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