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Hi, I bought some Williams Optics Binoviewers. They appear very nice quality but I cannot achieve foucus with them on a 5" Celestron Newtonian, FL = 650MM fr = f5. I have not used binoviwers before today and I bought them primarily for my new telescope which hasn't arrived yet, a Celestron 9.25 CST. I wanted to try the binoviwers out on the 5" today but could not achieve focus. I also tried using the 1.5 x Barlow that came with them. Is there a reason they won't focus? Do you think they will be OK on my bigger scope? Thanks.
Up for a quick sale; I am selling my mint condition William Optics binoviewers bought off FLO last summer. Comes with two 20mm WA 66 EP's, a 1.6x Barlow nosepiece, plus also a WO 2x Barlow nosepiece I bought also at the same time from Agena Astro, so you should be able to focus correctly with one of the nosepieces OK. If your lucky you may not need them at all depending on your scope. Original box in immaculate condition. Looking for £175 which includes Royal Mail special next day delivery in the U.K. Excellent views, especially for Lunar or solar viewing. Selling to get funds for a new scope, and also due to not utilising them as much as I should do. Grab a bargain as these are like new, and currently would cost nearly £300 with the additional WO 2xbarlow nosepiece. Any questions please ask. Note; due to personal reasons I won't be able to post these off until Friday this week. <**now sold**>