Carbon Brush Posted March 8 Share Posted March 8 I am in the situation of having two scopes that are quite similar. Being large, one will go. But which? Seeking thoughts and opinions from the community. A GSO Revelation 12" on dob mount and a Skywatcher 300PDS with rings. Both are in good order with similar age mirror coating and both have a dual speed focusser. The GSO is older, but has been well looked after. It could be argued the recoated mirror is not 100% like new having minor marks. But nothing worthy of further mention. I have not run them side by side to be able to definitively say scope A contrast/resolution/brightness is marginally better than scope B. The 300PDS is only a couple of years old and all but unused. I have a goto mount capable of carrying the 300PDS. I also have an old (last century) mount that I could, with a bit of effort, adapt to carry the PDS in no frills alt-az mode. Mods to the GSO dob include a wheeled trolley and improved balance weight arrangement. Two different handle arrangements are in my head, but not yet in hardware. The 300PDS is still as supplied from the shop. Neither scope has benefitted yet from flocking, better black paint or similar measures. These are (in my book) standard improvements for shop bought reflectors. The scope that stays will be improved this summer. Looking forward to your comments, David. 1 Link to comment Share on other sites More sharing options...
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