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Re: [APML] 35 mm Camera & Focuser
Thanks John!
Stuart
----- Original Message -----
From: "John C. Mirtle" <spampit@shaw.ca>
To: "Discussion of Film Astrophotography" <astro-photo@seds.org>
Sent: Saturday, December 13, 2003 1:43 PM
Subject: Re: [APML] 35 mm Camera & Focuser
> Stuart,
> I doubt that the 6x magnifier will focus if you remove the pentaprism.
I
> use the magnifier because I have not had luck with a SureSharp or the
Hutech
> piece. The knife edge focuser with my cold camera was great, using a
> different camera body. I am beginning to suspect that my OM1 was dropped
too
> many times and the flange/rail distance has changed. Time to recalibrate.
Of
> the 3 knife edges I have used, I prefer the Hutech unit. The round knife
> edge makes it very, very easy to use.
>
> John Mirtle
> Calgary, Ab. Canada
>
> ----- Original Message -----
> From: "Stuart Heggie" <stuart.j.heggie@sympatico.ca>
> To: "Discussion of Film Astrophotography" <astro-photo@seds.org>
> Sent: Saturday, December 13, 2003 4:04 AM
> Subject: Re: [APML] 35 mm Camera & Focuser
>
>
> > John, for those of us with cameras with removable pentaprisms, would
this
> > thing plunked directly down onto the focus screen work? I'm still
shooting
> > piggyback so I've focussed using the the Hartmann mask technique but
when
> I
> > finally make the jump to prime focus, I think I'll need something better
> > than what I've got.
> >
> > Anyone else, I've got two Nikon F2's so if there is another means that
> works
> > for sure on this camera, I'd love to know it - mostly what I read is
that
> I
> > buy a loupe and file it down to fit into the top of the camera and rest
on
> > the focus screen - if I get one that is adjustable, is that better so
that
> I
> > don't have to fine tune the filing job for height?
> >
> > Stuart
>
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