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Message: <blockquote data-quote="giosblue" data-source="post: 3336350" data-attributes="member: 134930">Thanks for the pics, first off, just to be clear, there is no Astro  adapter for the Optlyth scope. The simple fact is the eyepiece  aperture is not wide enough. The one exception to this that I know of, is the Baader zoom, that's because it's modular. The Baader fits well and works well, it's like having a new scope. The Opticron also works well, I would say better than the Baader, but the FoV is not quite as wide. Both are a massive improvement on the 22x60 Optolyth.  At the time, I had the Kowa 883 and the Opto side by side, the main difference to my eyes was the FoV and the Kowa was brighter, less grainy, (which you would expect given it's 88mm lens.).It might have had had a slight edge in resolution and contrast. To be honest I wish I had kept the Opto until I had done more evaluating. You have to ask yourself when you have something as that's 20 or 30 years old, is it worth spending money on, or, do  you put the money to a new or s/h scope?If you're on a tight budget, with a couple of hundred quid to spend, then I would say yes. There is no doubt in my mind that top quality, older scopes can get a new lease of life with the latest  EPs. Having said that, I sold mine and the EPs for £330. I bought a S/H Opticron HR80ED, with SDLv2 zoom, in mint condition, the latest model for £500. So if you take the Baader out of the equation, it's only cost me £200 to upgrade to a scope that is only two years old.  AS they say, you pays your money and makes your choice.</blockquote>

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