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Thread: f/2.5 7in. 5x5 HCO 022 lens

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  1. 26-Apr-2012, 20:41 #1
    Pat Kearns
    Pat Kearns is offline
    Join Date
    Sep 1998
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    Mobile, AL
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    552

    f/2.5 7in. 5x5 HCO 022 lens

    I acquired a f/2.5 7in. Harvard College Observatory lens recently along with a Kodak Aero Ektar f/2.5 lens. I appears to my eyes these two lenses are the same? Okay all you lens Guru's out there what is this HCO lens? This is one serious hunk of glass.
    Attached Thumbnails Attached Thumbnails IMG_4148_1.jpg   IMG_4147_1.jpg   IMG_4149_1.jpg   IMG_4150_1.jpg  
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