Thanks for your comments, Jeff...
On 11/05/07, Jeff Keller <jeffreyrkeller@xxxxxxxxx> wrote:
>
>
> I don't see how you are going to get AF with an E500 connected to a
> spotting
> scope.
Definitely out of the question, you're right.
For me an OM is easier to focus than either an E1 or E300.
Our problem is that my trusted OM-2n is currently out of action. And my OM-4
is back home in Australia at the moment. We only have the E-500 and E-300
with us now.
Part of
> the issue with the aperture is that most OM focusing screens are designed
> to
> be used with f5.6 or faster lenses.
True.
The plain matte screens used in the
> digital cameras don't black out like a microprism but they aren't optimal
> for manual focusing either. Walt has put a KatzEyeOptics Plus screen in
> his
> E1 had found it very usable with his Zuiko 500/8. The screens aren't cheap
> but if you are going to use non-back-
> breaking long reach optics, then they are going to be slow and the
> screen could make a big difference.
We can't get the KatzEye in Malaysia. Might try Singapore....
Oh decisions, decisions......MONEY, MONEY. At the current rate, no way I can
afford to get a long prime just to extract an extra 2 stops or so. Furthermore
Malaysia is an awful place to get any preowned Zuikos. It's C* land over
here. Stashing my money away for next year's E-DSLR....by then I'll probably
sell the E-300 to partly recoup....
Thanks for your comments again, Jeff.
K.
-jeff
>
> On 5/10/07, khen lim <castanet.xiosnetworks@xxxxxxxxx> wrote:
> >
> >
> > Yes, that bit I'm aware of. You know how 'better halves are....' they
> have
> > minds of their own!!! But then again, she has her points. Spotting
> scopes
> > would be less arm and bank breaking compared to a good camera lens...
> >
> > I have a good variety of catadioptric lenses. Personally I wouldn't
> count
> > on
> > > any of them that are slower than f6 to deliver a picture of a bird. I
> > have
> > > a
> > > Celestron 750mm f6 and a Tamron 350/5.6 which I seem to be able to
> > > reliably
> > > focus. The f8 lenses are just too slow to accurately focus.
> >
> > The problem with CAT lenses is that there is no AF and she's hell-bent
> on
> > that. You're right about optical speed. She uses an E-500 and I think
> that
> > even if she dispenses with AF, an f8 CAT lens under thicker foliage
> might
> > be
> > asking for trouble.
> >
> > > If I want to get photos of birds rather than just enjoy walking around
> > > trying to take pictures, I take my Tamron 400/4 with a
> 1.4xteleconverter.
> >
> > Is this the MF version?
> >
> > > On the other hand I was at Mono Lake trying to take a picture of an
> > Osprey
> > > nesting on a tufa column in the lake. It was quite far away and the
> > photos
> > > were only okay.
> >
> >
> > How far is 'far away,' Jeff? Can you recall your camera settings? I
> > presume
> > you're talking about using the Tamron 400/4 here with or without the
> > 1.4Xteleconverter...? What was the lighting condition? What time of
> > the day was
> > it?
> >
>
>
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--
Khen Lim
XIOS Network Solutions
IBM Business Partner
+60 +16 528 6010 / 016 528 6010
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