Saturn

Elspode · 11-06-2003, 11:55 AM

What is the focal length of the ETX 90? I'd really like to move up to one of these little (are they Schmidt Cassegrains?) scopes from my DS 114 (114 mm fl 5") reflector someday soon.

I"ve got collimation issues with my scope, and I frigging *hate* collimating Newtonians. It is almost impossible to get them right, and this scope doesn't even have the center dot on the mirror...I'd have to locate and put it there myself first. Ick.

The GOTO setup, though...that is sweeeetttt...don't knock it until you've tried it. The ETX's have the clock drive base already, yes? I thought they were easily adaptable for the Meade handboxes?

11-06-2003, 11:55 AM	#1
Elspode When Do I Get Virtual Unreality? Join Date: Dec 2002 Location: Raytown, Missouri Posts: 12,719	What is the focal length of the ETX 90? I'd really like to move up to one of these little (are they Schmidt Cassegrains?) scopes from my DS 114 (114 mm fl 5") reflector someday soon. I"ve got collimation issues with my scope, and I frigging hate collimating Newtonians. It is almost impossible to get them right, and this scope doesn't even have the center dot on the mirror...I'd have to locate and put it there myself first. Ick. The GOTO setup, though...that is sweeeetttt...don't knock it until you've tried it. The ETX's have the clock drive base already, yes? I thought they were easily adaptable for the Meade handboxes? __________________ "To those of you who are wearing ties, I think my dad would appreciate it if you took them off." - Robert Moog

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