Orion Helical Focuser

[trufflehunter (Wayne Robinson)]

Anyone seen one of these?

Orion Helical Focusser

Is it just a screw (ie the eyepiece turns with it) or does it use a cam?
Any Oz dealers?
If it works as described it should be very handy!

[asimov (John)]

Hi. I cant really give an opinion seeing I dont own one, but I have read a few user-opinions here & there.....Most say there is a bit of slop in them & wish they hadn't bought it...Aparently the EP does not rotate when focusing.

Hope this helps.

[mch62 (Mark)]

No haven't seen one of those , but have one of these on my scope.

http://www.kineoptics.com/HC-2.html

This was given to me for free by an American astronomer when I built my Newt and have never got around to replacing it.
I find it a great focuser and was able to maximise my FIF when designing the scope due to the low profile.
It does how ever rotate the eyepiece when used.
That is not normally a problem except that i am getting a TV Dioptrix and won't be able to use this focuser any more due to the rotation and am in the market for a replacement.

Getting one of these , again due to the ultra low profile and long focal travel , and no penatration, but the $$$$$$$??????

Although it's only a little more than a Feather Touch

http://www.clementfocuser.com/pages/2/index.htm

need deeper pockets

Mark

p.s. if you have a Dob don't think about the clement unless you have a car jack under the tube to keep it up.