Beechiller Posted January 17, 2014 Share Posted January 17, 2014 Hi all I'm sure this has been posted before. I've bought a laser collimator and tried using it tonight. I have the red dot in the middle of the doughnut. The instructions then tell me to look down the scope to see if dot is centred I half blinded myself doing this am I doing this wrong? I have half a bottle of wine in me at minute so don't want to go near it again tonight! Link to comment Share on other sites More sharing options...
wookie1965 Posted January 17, 2014 Share Posted January 17, 2014 You look down the scope from the front not down the focuser. Link to comment Share on other sites More sharing options...
cussine Posted January 17, 2014 Share Posted January 17, 2014 Agree with wookie, enjoy the wine :-) :-) Link to comment Share on other sites More sharing options...
Gomtuu Posted January 18, 2014 Share Posted January 18, 2014 Bear in mind that if the laser itself is not properly collimated, it will be off.I'd strongly recommend using a Cheshire. Link to comment Share on other sites More sharing options...
Bart Posted January 18, 2014 Share Posted January 18, 2014 Google the barlowed laser technique. Excellent. Mind you, if I want it spot on, I do use a Cheshire too Barry Link to comment Share on other sites More sharing options...
umadog Posted January 18, 2014 Share Posted January 18, 2014 You may blind yourself if you get the beam pointing directly into your eye. Depends how powerful the collimator is. If it's below about 5 mW your instinctive blink reaction is fast enough to prevent damage. i.e. you'd have to purposefully stare into the beam for it to blind you. If your telescope is remotely near collimation then the return beam will hit the secondary and then be reflected into the tube or focusser. Thus, you will never have the opportunity to look into the beam. All you will ever see is scattered light bouncing off the spot the laser hits on the primary. You can't blind yourself with that. Link to comment Share on other sites More sharing options...
hippie Posted January 18, 2014 Share Posted January 18, 2014 Here's a how to collimate your scope guide.http://www.astro-baby.com/collimation/astro%20babys%20collimation%20guide.htm Link to comment Share on other sites More sharing options...
Recommended Posts
Archived
This topic is now archived and is closed to further replies.