Astronomy

6 products

    That's right Astronomy fans, 20% off of all OSI products!
    Excludes items already on sale.
    Sale begins May 5th at 00:01 PST and ends May 8th at 23:59 PST.
    AT CHECKOUT, ENTER COUPON CODE:
    Astronomy
    May 5th: National Astronaut Day
    May 6: National Space Day
    May 7: International Astronomy Day
    May 8: Mother's Day
    6 products
    Farpoint 1.5 lb Magnetic Bag Weight (6795745165465)
    Farpoint 1.5 lb Magnetic Bag Weight
    $27.50
    Product Shot FP217 (6795765153945)
    FP220 Product Shot (6795765153945)
    Farpoint 2 Inch Collimation Kit with Carrying Case
    $217.80
    Astrodon LRGB Gen2 I-Series Tru-Balance Filters, INDIVIDUAL FILTERS (6795795988633)
    Astrodon LRGB Gen2 E-Series Tru-Balance Filters_comp (6795795988633)
    Astrodon LRGB Gen2 E-Series Tru-Balance Filters, INDIVIDUAL FILTERS
    from $199.87
    CASEX8-3 (6795763548313)
    CASEEVO8-2 (6795763548313)
    JMI Telescope Carrying Case for Celestron New NexStar Evolution 8" scopes with removable fork arm
    $685.00
    Product Shot OTA 10 (6795813486745)
    Head on OTA 10 (6795813486745)
    JMI Telescope Carrying Case for Meade and Celestron 10" f/10 SCT OTA
    $569.79