BAUSCH & LOMB TELESCOPE A.S.P. 9MM PLOSSI LIGHTED EYEPIECE

Description

BAUSCH & LOMB A.S.P. 9MM LIGHTED EYEPIECE. TURN THE KNOB ON THE SIDE AND THE EYEPIECE LIGHTS UP INSIDE WITH A RED CROSSHAIR TO HELP ALIGN THE CELESTIAL OBJECT FOR VIEWING IT TAKES TWO WATCH BATTERY'S
Unlike the other models in the ASP (Achromatic Symmetrical Plossl) line, this has a smaller field of view; close to 40-42-degrees. Other ASPs are at 50-degrees fov. Sharp to the edge views in high quality made telescopes; particularly refractors. In schmidts and maksutovs, they perform with sharp resolution in both f/5 to f/15 models. They are VERY ideal for reflectors with mirrors at f/6 to f/8 for planetary and lunar study. It is one of those eyepieces that if you see bad views with them, it will be the optics in your telescope, not in these eyepieces. I have NEVER had a badly-made Eikow ocular unless it was tampered with or damaged from age combined with improper care.
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IT HAS NO MOLD OR OCULAR IMPERFECTIONS, THE SPECKS YOU SEE ARE THE REFLECTION OF THE FLASH THERE ARE NO CHIPS OR SCRATCHES
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VINTAGE 1980'S CELESTRON PORRO PRISM 1.25" EYEPIECE EXTENDER THIS ONE WAS USED WITH A SCHMIDT CASSAGRIAN 4 " TELESCOPE YOU JUST ADD YOUR VIEW LENS TO THE TOP AND LOCK IT IN
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