Re: [APML] Camera viewfinder attachments for right-angle viewing?

["Bert Katzung" <katzung1@comcast.net>]

Hi Alen:
I think that every camera brand has a different sort of viewfinder hardware.
I know my Nikon right-angle viewer will not fit my Canon body. On the other
hand, if you are using either  Olympus OMs or the Nikon FM2 camera, the B&K
Astrofocusser will work. It is designed for the Olympus and just happens to
also have the right dimensions for the Nikon FM2. It's just a relay
telescope for extending and right-angle-directing the viewfinder image.
However, it clamps on via the tripod socket, so the camera has to be
supported via a T-ring on the telescope and it requires use of an eyepiece
to see the image in the viewfinder. Depending on the focal length of the EP,
it will give you different magnifications. It works very well for focussing
but not so well for framing (not a very bright field) and it's expensive.
Don't know if they're still in business but if not you might find one on
EBay or AstroMart.
Bert

Bert Katzung
katzung1@comcast.net
www.astronomy-images.com

----- Original Message ----- 
From: "Alen Koebel" <alen_koebel@yahoo.ca>
To: "APML" <astro-photo@seds.org>
Sent: Sunday, August 31, 2003 1:05 PM
Subject: [APML] Camera viewfinder attachments for right-angle viewing?


> Anyone know of a source for right-angle
> viewers that clip on to the back of a
> 35mm camera's viewfinder? I'm thinking of
> something like the Olympus Varimagni-
> whatever but without magnification and
> without the dim image (so I am told -
> I've never used one). I basically want
> something I can clip on to cameras that
> lack removeable penta-prisms (Olympus
> OM-1, Pentax K1000, etc.) to allow right-
> angle viewing. I'm tired of trying to
> compose my telephoto shots of objects
> near the zenith while kneeling on the
> ground.
>
>
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