Filters, Windows & Reticles

Filters, Windows & Reticles

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  • SOLAR SNAP ECLIPSE APP KIT W/ (2) PAIR SOLAR GLASS SOLAR SNAP ECLIPSE APP KIT W/ (2) PAIR SOLAR GLASS

    Don't Be Blinded by Science...
    SOLAR SNAP ECLIPSE APP KIT W/ (2) PAIR SOLAR GLASS

    Don't Be Blinded by Science... Introducing the brand new Solar Snap- The Eclipse App There has never been an easy way to take pictures of an eclipse with your phone. Until now! The Solar Snap Eclipse App is an American Paper Optics exclusive that was...
    $14.95
    $14.95
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    $14.95
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  • "GET ECLIPSED" BOOK W/ (2) ECLIPSE GLASSES "GET ECLIPSED" BOOK W/ (2) ECLIPSE GLASSES

    Bigger and Better Solar Eclipse...
    "GET ECLIPSED" BOOK W/ (2) ECLIPSE GLASSES

    Get Eclipsed: The Complete Guide to the 2 North American Eclipses *Each book also comes packaged with 2 safe solar eclipse glasses! American Paper Optics once again teamed up with noted NASA astrophysicist, Fred Espenak and his eclipse chasing wife Pat...
    $9.95
    $9.95
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    $9.95
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  • SPECTROBURST LENS AND LIGHT DIFFRACTION-KIT SPECTROBURST LENS AND LIGHT DIFFRACTION-KIT

    Diffraction In Action!
    SPECTROBURST LENS AND LIGHT DIFFRACTION-KIT

    For the budding diffraction detective in your life, this Spectroburst™ Viewer is a diffraction-viewing lens and light kit from Spectroclick, which, if you ask us, is a pretty good name for a company that makes Spectroburst™ Viewers. Comes...
    $3.50
    $3.50
    Qty in Cart: 0
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    $3.50
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  • GROUND GLASS 3-1/2" x 4-3/8" PKG(3) GROUND GLASS 3-1/2" x 4-3/8" PKG(3)

    GROUND GLASS
    GROUND GLASS 3-1/2" x 4-3/8" PKG(3)

    GROUND GLASS One wiseacre assumed we meant any package leaving our shipping room that once had a glass object in it. That is a malicious rumor. . . Ground glass is thin plate glass, the surface of which has been physically ground...
    Starting at $3.50
    Starting at $3.50
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    Starting at $3.50
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  • ECLIPSMART 2X SOLAR VIEWERS KIT ECLIPSMART 2X SOLAR VIEWERS KIT

    The Power of the Sun...
    ECLIPSMART 2X SOLAR VIEWERS KIT

    The Power of the Sun... Go beyond traditional eclipse glasses with these Celestron foldable viewers featuring Solar Safe filters and 2x magnification so you can see more details. This observing kit includes (2) viewers and a double-sided eclipse map...
    $14.95
    $14.95
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    $14.95
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  • FILTER,  67MM X 70MM X 4.1MM THK/ GELATIN SIGHT FILTER,  67MM X 70MM X 4.1MM THK/ GELATIN SIGHT

    OPTICAL GLASS FILTERS
    FILTER, 67MM X 70MM X 4.1MM THK/ GELATIN SIGHT

    OPTICAL GLASS FILTERS Al Luebbers, our founder, collected glass. Not glass like you'd find on a knick-knack shelf, but optical glass. Lenses, prisms, reticles and filters, for example. Focus on the filters. Many of his filters...
    Starting at $1.75
    Starting at $1.75
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    Starting at $1.75
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  • 47MM DIAMETER HEAT-ABSORBING GLASS 47MM DIAMETER HEAT-ABSORBING GLASS

    For The Illuminati
    47MM DIAMETER HEAT-ABSORBING GLASS

    Let’s say you’re the teacher’s pet, newly appointed to AV duty, and you want to provide maximum light transmission over the visible spectrum while minimizing infrared rays and heat transmission in the class slide projector (yup,...
    $6.50
    $6.50
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    $6.50
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