Maybe I need to get a cardboard aperture mask for my full size 10"
filter :-(. I'll give it a try and see what the difference is--perhaps
a two hole version would help with focus :-)

Andy

>
> writes:
> >At 09:24 PM 5/23/99 -0500, you wrote:
>
> >>Tom Wideman
> >>Grapevine, TX
> >>
> >
> >This makes sense, should've realized... Still, doesn't the reduced
> >aperture
> >also reduce resolving power?
> >
> >Chris Margaritis
>
> On something as bright as the Sun the opposite should be true, in as, the
> effective f/ratio has change to a larger number the resolving power and
> contrast should increase..............ric
>
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