Re: [APML] AP 130/F6 LPR filter help

["bert katzung" <katzung1@home.com>]

Hi Gerry:
The adapter for the flattener that allows you to use a 35 mm camera on it IS
threaded on the side facing the flattener and will accept 48 mm filters ---
I just tried it with mine and both IDAS (Tokai) and Lumicon filters fit it
OK. The adapter is concave and it's tricky getting a purchase on the edge of
the filter to get it in; even more for getting it out (don't screw it in too
tightly!). And I'm not sure about vignetting, because it places the filter,
with its limited clear diameter, quite a ways out in front of the camera
bayonet --- almost an inch, I would guess. However, filters will fit the
adapter.
Hope this helps....
Bert

Bert Katzung
katzung1@home.com
www.astronomy-images.com
----- Original Message -----
From: "Gerry Cichocki" <gcichocki@hotmail.com>
To: <astro-photo@seds.org>
Sent: Tuesday, 20 February, 2001 8:07 PM
Subject: [APML] AP 130/F6 LPR filter help


> Hi folks, been lurking in the backgound for over a year (shame on me)
> sucking up the info & improving my APing. Great group to be a part of!
> At present I am using the AP 130/f6 (2.7" focuser)with an off axis guider
( 
> Taurus Tracker)& Deep-sky filter in the pocket.
> Im getting to the point of being more critical of my photos & would like to 
> use the field flattener (67PF56 for Pentax 6x7cm) with the 35mm adapter.I 
> understand the off-axis guider must go & in comes the Guide Scope- a new 
> learning curve for me. Anyway according to Christine at AP there is no place 
> to install the deep sky filter (I have the 48mm one) using the flattener & 
> adapter. Anyone know if there is a way to do it?
> Thank you
> 
> Gerry Cichocki
> 
> 
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