PART NO.
    DESCRIPTION
    1 - 5 pcs.
    6 - 10 pcs.
    > 10 pcs.
    Stock Status

    IRWS400-25

    IR (Water Free) Fused Silica Substrate 25mm dia.

    $36.00
    $31.00
    $30.00
    In Stock

    IRWS500-25

    Calcuim Fluoride Substrate 25mm dia.

    $265.00
    $228.00
    $217.00
    In Stock

    IRWS600-25

    Zinc Selenide Substrate 25mm dia.

    $319.00
    $274.00
    $262.00
    In Stock

    JOHN-B-25

    Johnson B type filter/25.0mm dia.

    $295.00
    $254.00
    $224.00
    In Stock

    JOHN-FA-25

    5-piece Johnson/Bessel UBVRI filter set, 25.0mm dia.

    $1,327.00
    $1,141.00
    $1,009.00
    In Stock

    JOHN-I-25

    Johnson I type filter/25.0mm dia.

    $295.00
    $254.00
    $224.00
    In Stock

    JOHN-B-31

    Johnson B type filter/31.0mm dia.(un-mounted) For Astronomy Telescopes

    $323.00
    $278.00
    $245.00
    In Stock

    JOHN-B-31M

    Johnson B type filter/1.25 inch dia. (mounted) For Astronomy Telescopes

    $326.00
    $280.00
    $248.00
    In Stock

    JOHN-FA-31M

    5-piece Johnson/Bessel UBVRI filter set, 31.0mm dia, mounted

    $1,467.00
    $1,262.00
    $1,115.00
    In Stock

    JOHN-I-31

    Johnson I type filter/31.0mm dia.(un-mounted) For Astronomy Telescopes

    $323.00
    $278.00
    $245.00
    In Stock

    JOHN-I-31M

    Johnson I type filter/1.25 inch dia. (mounted) For Astronomy Telescopes

    $326.00
    $280.00
    $248.00
    In Stock

    IRWS400-50

    IR (Water Free) Fused Silica Substrate 50mm dia.

    $151.00
    $130.00
    $124.00
    In Stock

    JOHN-B-50

    Johnson B type filter/50.0mm dia.

    $741.00
    $637.00
    $563.00
    In Stock

    JOHN-B-50S

    Johnson B type filter/50.0mm x 50.0mm

    $760.00
    $654.00
    $578.00
    In Stock

    JOHN-FA-50

    5-piece Johnson/Bessel UBVRI filter set, 50.0mm dia.

    $3,334.00
    $2,867.00
    $2,534.00
    In Stock

    JOHN-FA-50S

    5-piece Johnson/Bessel UBVRI filter set, 50.0mm X 50.0mm

    $3,420.00
    $2,941.00
    $2,599.00
    In Stock