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Thread: Optical centre punch

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  1. #9
    PJs
    PJs is offline
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    Knoba, Like I said I just love this thing and will be making one soon but realized you had a 17.8885mm spherical radius for your optics...how on earth did you determine that let a lone make it? I'll have to hunt for a tin though!

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    emu roo (Dec 9, 2025)

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