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    MarkM's Avatar
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    Default Eyepiece Cleaning Day



    Another cloudy night, another maintenance project: today it is the eyepiece's turn to get clean.

    Following the video Gus posted at the beginning of this thread (How to Clean Telescope Eyepieces) and also the recent advice of several members regarding use of isopropyl alcohol, I spent the evening cleaning each and every eyepiece in my collection (including my old binos which I gently wiped with a few of my daughters Sight Savers).

    For sure, I used a LOT of Q-tips. As per the video, the dust was removed first and then as needed a Q-tip moistened with isopropyl alcohol (purchased from a camera store) removed any facial oils on the lens. Care was taken not to scrub and also to work radially outward in one direction. I used a bright maglite to check my progress during the cleaning.

    Good thing it is supposed to finally clear tomorrow after weeks of clouds as I am running out of "fixit" projects. I guess I can always start putting together the Galileoscope that my son received at the local Astronomy Club holiday party. Funny how telescopes start multiplying once one is brought into the home.
    Location: 30° 19' N; 97° 54' W; elev 248 meters; yellow/green zone; NELM 5.7
    Instruments: Obsession 15" Dob; Orion XT8i; 2" refractor (Galileoscope); Televue EP arsenal; Bushnell 7X50 binos
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    ramseyedison's Avatar
    ramseyedison is offline Junior Member
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    Eyepiece design and performance is fascinating, and many technical sources explain what's what, but I would like to give some simple, practical comments that might otherwise get lost in minutia.
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