Adrian Posted December 5, 2011 Share Posted December 5, 2011 Huge 20 Inch F4 Dobsonian Telescope - Deep Sky Watchers Delight!!! | eBayToo big for me - my back doors only open to 54cm otherwise I could be tempted at that price Link to comment Share on other sites More sharing options...
Telrad Posted December 5, 2011 Share Posted December 5, 2011 Nice, the views through it must be too... Link to comment Share on other sites More sharing options...
GazK Posted December 5, 2011 Share Posted December 5, 2011 WOW.... what can I say. Where's my chequebook?I never understand though why people put starting bids so high, they misunderstand the psychology of buying / betting. Whenever I have a valuable and sought after item on ebay the starting bid is always 99p. It stimulates interest and more people buy into the game, so you get a higher final price... its not unthinkable that this will end with no bids, even though people might be willing to pay more than £700. Link to comment Share on other sites More sharing options...
spaceboy Posted December 5, 2011 Share Posted December 5, 2011 Wonder if it suffers from stray light Link to comment Share on other sites More sharing options...
Moonshane Posted December 5, 2011 Share Posted December 5, 2011 it's currently at a superb price. even unconfirmed the mirrors alone are probably worth more than that. stray light's not a problem - just make a shield from garden matting material! Link to comment Share on other sites More sharing options...
swamp thing Posted December 5, 2011 Share Posted December 5, 2011 Tempting but no. Not without some certification for the primary.If it needs refiguring there's £1000 straight away.It could be plate glass rather than Pyrex too.Think I'll keep saving. Nearly there now.Regards Steve Link to comment Share on other sites More sharing options...
Moonshane Posted December 5, 2011 Share Posted December 5, 2011 It's a difficult one. might be worth discussing with the owner and agreeing that the sale is subject to an optical report (at the buyer's cost). I bet you could get this done quite cheaply. I know someone who recently got Oldham optical to take an 18" f4.5 to 18" f5 and to 1/10 wave and recoated for about £800. Link to comment Share on other sites More sharing options...
swamp thing Posted December 5, 2011 Share Posted December 5, 2011 That's a good price Shane.I shall keep An eye on it.Regards Steve Link to comment Share on other sites More sharing options...
perrin6 Posted December 5, 2011 Share Posted December 5, 2011 Looks neat and not too heavy. I wouldn't worry if it had a mediocre mirror as the widefield, low power views would still be good under dark skies. Link to comment Share on other sites More sharing options...
ismangil Posted December 5, 2011 Share Posted December 5, 2011 You could easily double check with Beacon Hill whether they did make this sort of thing back in the days. I called them the other day looking for a Dobsonian mount and a nice chap which name escapes me chatted to me about the dobsonians he made in the past before the skywatcher days. Link to comment Share on other sites More sharing options...
swamp thing Posted December 13, 2011 Share Posted December 13, 2011 Decided to take a punt on this.Wish me luck:icon_confused:Let you know how I get on.Regards Steve Link to comment Share on other sites More sharing options...
Matthew Posted December 13, 2011 Share Posted December 13, 2011 I was tempted steve but i decided not too,it could be a very good buy. Link to comment Share on other sites More sharing options...
swamp thing Posted December 14, 2011 Share Posted December 14, 2011 Could be a big mistake too.Only time will tellFingers crossed. Link to comment Share on other sites More sharing options...
Adz Posted December 14, 2011 Share Posted December 14, 2011 Good luck Steve! Let us know how it is Link to comment Share on other sites More sharing options...
Moonshane Posted December 14, 2011 Share Posted December 14, 2011 Good luck SteveI bet you won't regret it. Link to comment Share on other sites More sharing options...
Bodkin Posted December 14, 2011 Share Posted December 14, 2011 I hope you got it. It looks like a Beaconhill piece to me. I would guess that it probably has optics from John Nicholl, which is no bad thing. Link to comment Share on other sites More sharing options...
swamp thing Posted December 14, 2011 Share Posted December 14, 2011 I hope you got it. It looks like a Beaconhill piece to me. I would guess that it probably has optics from John Nicholl, which is no bad thing.Sure did. Yes and yes. Picking it up Saturday.I will probably have a night or two with it as is. Then convert it to a more portable scope, like a Kriege Berry design.Regards Steve Link to comment Share on other sites More sharing options...
Rossco72 Posted December 14, 2011 Share Posted December 14, 2011 I watched with interest, but my 14" is my limit. I can't see me going above that.But given the wow factor going from a 5" refractor to a 14" dob, I'd imagine you would get about the same again with a 20" mirror!!Best of luck Link to comment Share on other sites More sharing options...
lukebl Posted December 14, 2011 Share Posted December 14, 2011 Crikey. A 20" scope for 800 quid. Who's a lucky boy! Link to comment Share on other sites More sharing options...
AndyH Posted December 14, 2011 Share Posted December 14, 2011 Wow. Fine buy Steve. A steal actually.I must say when I first clicked the link, and looked at the pics, I thought, 'mmm, nice, looks very Beacon Hill-ish'. Confirmed by reading the description. I'm sure Barry Watts wouldn't have used a poor mirror. Have fun and keep us all updated !!Andy. Link to comment Share on other sites More sharing options...
karlyboo Posted December 14, 2011 Share Posted December 14, 2011 i will get one of these one day there is a good pic comparison on here with even bigger than 20" !! i doubt that i would get anything like that pictured with my scope...that 25" sure looks a beast ! http://www.obsessiontelescopes.com/ Link to comment Share on other sites More sharing options...
Moonshane Posted December 14, 2011 Share Posted December 14, 2011 well done mate. at that price you did the right thing. I seriously doubt you'll have any regrets. Link to comment Share on other sites More sharing options...
Nexus 6 Posted December 14, 2011 Share Posted December 14, 2011 Good luck with this Steve. What are you doing with your 16"? Link to comment Share on other sites More sharing options...
swamp thing Posted December 14, 2011 Share Posted December 14, 2011 Good luck with this Steve. What are you doing with your 16"?That'll be up for sale.Regards Steve Link to comment Share on other sites More sharing options...
Pug Posted December 14, 2011 Share Posted December 14, 2011 Congratulations! A thing of beauty is a joy forever! Link to comment Share on other sites More sharing options...
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