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Showing results for tags 'pst'.
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I have a second (used) PST on its way to me, so before I get to the typical mods like replacing the objective, I was wondering if there was anything useful I can try with two PSTs first? The thought occurs, could I extract the etalon from the 2nd one and add it to the 1st? Double stack on the cheap. I'm not 100% sure on the threads but could it screw in series with the existing one? But would the positioning in the optical train be thrown out enough to make this unworkable? I'm not sure how much tolerance I have to work with here...
Hi All, I have the following for sale, originally bought for a full PST mod that was never done: Coronado PST - £430. Boxed. Vixen A80M - £150. Includes tubes rings, dovetail and focuser but no box, finder or diagonal. SOLD. 90 mm D-ERF - £200. SOLD. Filter holder - £8. Homemade and bought off a SGL member. Fits the 90mm D-ERF and has a internal diameter of 105mm the other end. SOLD Solar Finder - £15. SOLD. WO Dielectric Diagonal D-DIG2 - £35. Boxed. Bought to be used on the Vixen before the scope was modded. SOLD. All are in excellent condition and do not include postage. Collection preferred for the scopes. Cheers, Jon