[Author Prev][Author Next][Thread Prev][Thread Next][Author Index][Thread Index]
Re: [APML] A question about collimating
----- Original Message -----
From: m.dyer <mr.m.dyer@worldnet.att.net>
>
> I recently purchased the Orion LaserMate collimator.,., Part of the
> procedure involves marking the center of the primary mirror (Orion SVD "6
> reflector) with a small (@ "1/4) donut shaped sticker.
>
> Will placing this sticker on the primary mirror cause a drop
performance???
> For normal viewing? - for photography?
Won't affect performance at all; either visually or photographically. The
center spot will be hidden by the secondary anyway.
>
> Is marking the mirror "key" in finding center or is the "eyeball" method
> sufficient ???:)
Yes, it needs to be precise.
Bobby Middleton
-- APML Archives at <http://astro.umsystem.edu/apml/> ---
Unsubscribe at <majordomo@seds.org>