How to determine shutter speed with R2K & non-AF lens

I have an EOS 300 (Rebel 2000) camera and I love it. I also have

a Bausch&Lomb Discoverer telescope I used to use on my

Minolta X-370 camera. I bought a T-ring to attach the telescope

to the EOS 300 and it works great, except I never know what

shutter speed to use. The "Lens" has a chart that shows

effective f-stop at various zoom ranges. The camera reads "00"

for aperature, therefore won't recommend a shutter speed. My

old camera used to tell me what shutter speed was okay for the

amount of light entering the lens. Is there any way to make the

Rebel 2000 tell me when the shutter speed is correct?

Thanks.

Tim

I've written up a page of instructions on how to use manual lenses

with EOS cameras - it should answer your questions.

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HREF="http://teladesign.com/photo/">http://teladesign.com/photo/</A>

Hey, NK Guy, I followed that link and spent the last hour or so

reading your page. Lots of good stuff there-- thank you very much.