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John K
27-09-2006, 01:12 AM
Has anyone seen these telescopes before?

All metal construction dobsonians on aluminium equatorial platforms.

The 20" f/4.5 sells for $US12,000. Interesting concept.

Defenitely worth putting on the good old "dream" list.

http://www.equatorialplatforms.com/spicaeyes.html


John.

iceman
27-09-2006, 06:06 AM
Looks great, very pricey! Does look like a nice bit of gear.

[1ponders]
27-09-2006, 10:35 AM
Looks very tempting. I wonder what it's periodic error is and how easy it is to polar align. 300D would look nice sitting at the top of one of those :D

ving
27-09-2006, 11:01 AM
buy me one :D

they look very purdy!

Satchmo
27-09-2006, 08:34 PM
The drive system is by Sidereal Technology and has the option to chain two units together to also drive field de-rotation motor for altaz photograghy and focus motor. If you can buy your own gearboxes the setup is only about $650 USD with two servo motors :) It will do GOTO as well in conjunction with a laptop or Argo Navis.

http://www.siderealtechnology.com/

Mark

John K
28-09-2006, 12:53 PM
I thought that periodic error is determined by the size of the gears and that horsehoe mount design because of it's circumfrance size (which the equatorial platform is a cut down version of) did not exhibit any periodic errors at all.

[1ponders]
28-09-2006, 01:19 PM
Don't know John, that's why I'm interested. :confuse3:

mickoking
28-09-2006, 01:34 PM
They look like very fine 'scopes :thumbsup: