RE: [ATM] Eyepiece Filter Cells

[Royston_Jeremy@emc.com]

Hello Chuck,
	you'll find a drawing in
http://www.astronomik.com/pdf/fass_m28,5.pdf
I bought an IR blocking filter from the firm this weekend

Best wishes

-----Original Message-----
From: atm-bounces@atmlist.net [mailto:atm-bounces@atmlist.net] On Behalf Of
Chuck Shaw
Sent: Sonntag, 9. Mai 2004 23:21
To: atm@atmlist.net
Subject: [ATM] Eyepiece Filter Cells


I have some 25mm dichroic filters from Ed Sci that I use with my CCD camera.
Currently I use them in a filter wheel that takes them as unmounted 25mm
glass disks.

I want to be able to mount them in 1.25" filter cells to be able to screw
into some other accessories that have the same size opening and threads as a
1.25" eyepiece has.   So, a couple of questions:

1.  Does anyone know of any threaded filter cells that will accept a 25mm
unmounted filter (I think they are 2mm thick)

2.  Does anyone know the specs for filter cells that fit into an eyepiece?
(i.e. diameter and thread pitch)

Thanks,

Chuck



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