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  1. Baader Planetarium - Color Filter Red 1.25" 610nm LongPass

    Baader Planetarium - Color Filter Red 1.25" 610nm LongPass

    Not just another colored filter. Finally, a set of serious tools for the planetary observer. Baader Planetarium's Premium Colored Filters bring a new level of quality and performance to planetary contrast enhancement ... Learn More
    Model#: FCFR-1
    $38.00

  2. FCFR-2

    Baader Planetarium - Color Filter Red 2" 610nm LongPass

    Not just another colored filter. Finally, a set of serious tools for the planetary observer. Baader Planetarium's Premium Colored Filters bring a new level of quality and performance to planetary contrast enhancement ... Learn More
    Model#: FCFR-2
    $59.00

  3. Baader Planetarium - Color Filter Yellow 1.25" 495nm Longpass

    Baader Planetarium - Color Filter Yellow 1.25" 495nm Longpass

    Not just another colored filter. Finally, a set of serious tools for the planetary observer. Baader Planetarium's Premium Colored Filters bring a new level of quality and performance to planetary contrast enhancement ... Learn More
    Model#: FCFY-1
    $38.00

  4. Baader Planetarium - Color Filter Yellow 2" 495nm LongPass

    Baader Planetarium - Color Filter Yellow 2" 495nm LongPass

    Not just another colored filter. Finally, a set of serious tools for the planetary observer. Baader Planetarium's Premium Colored Filters bring a new level of quality and performance to planetary contrast enhancement ... Learn More
    Model#: FCFY-2
    $59.00

  5. FCB-1

    Baader Planetarium - Contrast Booster 1.25" Filter

    Much more than a simple minus-violet filter. Based on the popular Baader Moon&Skyglow filter, the Baader Contrast-Booster takes contrast enhancement and skyglow reduction to the maximum level possible from a filter

    ...     Learn More
    Model#: FCB-1
    $77.00

  6. Baader Planetarium - DSLR BCF Filter, rectangular (unmounted) Astro Conversion Filter, for Canon EOS 400XTi (400D, 40D, 450D, 50D, 500D/550D/1000D/Rebel XS/T1i/T2i/T3/T3K)

    Baader Planetarium - DSLR BCF Filter, rectangular (unmounted) Astro Conversion Filter, for Canon EOS 400XTi (400D, 40D, 450D, 50D, 500D/550D/1000D/Rebel XS/T1i/T2i/T3/T3K)

    DSLR Conversion Filters for Canon EOS cameras. Turn your Canon DSLR into a superb deep sky AstroCamera. Baader's new DSLR conversion filters replace the factory correcting filter ("hot mirror") ... Learn More
    Model#: FBCF-400D
    $88.00

  7. Baader Planetarium - DSLR-Astro Conversion Filter ( Baader-ACF 1 ) for Canon EOS 300 improved spectral transmission! (optically polished)

    Baader Planetarium - DSLR-Astro Conversion Filter ( Baader-ACF 1 ) for Canon EOS 300 improved spectral transmission! (optically polished)

    DSLR Conversion Filters for Canon EOS cameras. Turn your Canon DSLR into a superb deep sky AstroCamera. Baader's new DSLR conversion filters replace the factory correcting filter ("hot mirror") ... Learn More
    Model#: FACF-1
    $99.00

  8. FFK-1

    Baader Planetarium - Fringe Killer 1.25" Filter

    The Fringe Killer is the perfect compliment to the Baader Contrast Booster. The Contrast Booster is an aggressive filter, designed to deliver the maximum sharpness and contrast possible from an achromat ... Learn More
    Model#: FFK-1
    $73.00

  9. Baader Planetarium - H-alpha 35nm CCD Filter 1.25" (with LPFC)

    Baader Planetarium - H-alpha 35nm CCD Filter 1.25" (with LPFC)

    Baader's new H-Alpha passfilter enables high-contrast deep sky images of H-II regions (such as the N. American Nebula). Its medium 35nm FWHM bandwidth is ideal for interline CCD cameras ( like SBIG ST-2000/STL11000) ... Learn More
    Model#: FHAL-1
    $97.00

  10. Baader Planetarium - NEODYMIUM & IR-Cut 1.25" (Moon & Skyglow) Filter

    Baader Planetarium - NEODYMIUM & IR-Cut 1.25" (Moon & Skyglow) Filter

    The Baader Planetarium Moon & Skyglow (Neodymium) filter brings an entirely unique approach to planetary contrast enhancement and light pollution reduction

    ...     Learn More
    Model#: FMS-1
    $79.00

  11. Baader Planetarium - Turbo Film 127 x 51 cm (uncoated base of Astro Solar)

    Baader Planetarium - Turbo Film 127 x 51 cm (uncoated base of Astro Solar)

    Baader TurboFilm is the highly transparent crystal clear film (not Mylar!) developed for scientific applications and used as the base material for the renowned Baader AstroSolar ... Learn More
    Model#: TURBO
    $47.00

  12. Baader Planetarium - UV/IR Cut / L-Filter 1.25" with Low Profile Filter Cell (LPFC)

    Baader Planetarium - UV/IR Cut / L-Filter 1.25" with Low Profile Filter Cell (LPFC)

    Baader Planetarium has introduced the world's finest UV/IR cut filter. This filter is a must for all digital imaging with Digital Cameras, CCD Cameras, and modified WebCams ... Learn More
    Model#: FUVIR-1
    $67.00

  13. Baader Planetarium - UV/IR Cut / L-Filter 36mm (2mm glass thickness) Round

    Baader Planetarium - UV/IR Cut / L-Filter 36mm (2mm glass thickness) Round

    Baader Planetarium has introduced the world's finest UV/IR cut filter. This filter is a must for all digital imaging with Digital Cameras, CCD Cameras, and modified WebCams ... Learn More
    Model#: FUVIR-RD36
    $82.00

  14. Celestron - Contrast Booster Filter - 1.25"

    Celestron - Contrast Booster Filter - 1.25"

    This is our newest high quality filter that eliminates most color aberration inherent in achromatic refractor telescopes. The filter also reduces your view of the blue hue around lunar and planetary subjects. Features multi-layer coatings for 95% transmission.

    ...     Learn More
    Model#: 94121
    $57.00

  15. Celestron - Eyepiece Filter Set 1 - 1.25" (#21, 80A, 15, Polarizing)

    Celestron - Eyepiece Filter Set 1 - 1.25" (#21, 80A, 15, Polarizing)

    Kit includes: 21, 80A, #15, Polarizing filters

    Celestron color filters are mounted in black anodized aluminum cells with the Kodak Wratten Series Number individually engraved, and come available in 4 assorted kits packed in plastic cases. The cells of each filter are double-threaded, so they can be stacked (piggybacked) in various combinations.

    ...     Learn More
    Model#: 94119-10
    $34.50

  16. Celestron - Eyepiece Filter Set 2 - 1-1/4 " (#12, 25, 56, ND-25)

    Celestron - Eyepiece Filter Set 2 - 1-1/4 " (#12, 25, 56, ND-25)

    Kit includes: #12, #25, #56, ND-25 filtersCelestron color filters are mounted in black anodized aluminum cells with the Kodak Wratten Series Number individually engraved, and come available in 4 assorted kits packed in plastic cases ... Learn More
    Model#: 94119-20

    Regular Price: $49.95

    Special Price: $31.95

  17. Celestron - Eyepiece Filter Set 3 - 1-1/4 " (#23A, 38A, 58, ND-50)

    Celestron - Eyepiece Filter Set 3 - 1-1/4 " (#23A, 38A, 58, ND-50)

    Kit includes: #23A, #38A, #58, ND-50 filtersCelestron color filters are mounted in black anodized aluminum cells with the Kodak Wratten Series Number individually engraved, and come available in 4 assorted kits packed in plastic cases ... Learn More
    Model#: 94119-30

    Regular Price: $49.95

    Special Price: $39.95

  18. Celestron - Eyepiece Filter Set 4 - 1-1.25" (#8,15,47,82A)

    Celestron - Eyepiece Filter Set 4 - 1-1.25" (#8,15,47,82A)

    Kit includes: #8, #47, #82A, ND-13 filtersCelestron color filters are mounted in black anodized aluminum cells with the Kodak Wratten Series Number individually engraved, and come available in 4 assorted kits packed in plastic cases.

    ...     Learn More
    Model#: 94119-40

    Regular Price: $49.95

    Special Price: $31.95

  19. Celestron - LPR Filter (Model B - for back threads of SCTs)

    Celestron - LPR Filter (Model B - for back threads of SCTs)

    Light Pollution Reduction (LPR) Filters are designed to selectively reduce the transmission of certain wavelengths of light, specifically those produced by artificial light. This includes mercury, and both high and low pressure sodium vapor lights. In addition, they block unwanted natural light caused by neutral oxygen emission in our atmosphere (i.e. sky glow). As a result, Celestron LPR Filters darken the background sky, making deep-sky observation and photography of nebulae, star clusters and galaxies possible from urban areas. LPR Filters are not used for lunar, planetary or terrestrial photography.

    ...     Learn More
    Model#: 94127A
    $89.00

  20. Celestron - Moon Filter - 1.25"

    Celestron - Moon Filter - 1.25"

    Celestron's Moon Filter is an economical eyepiece filter for reducing the brightness of the moon and improving contrast, so greater detail can be observed on the lunar surface. The clear aperture is 21mm and the transmission is about 18%.

    ...     Learn More
    Model#: 94119-A
    $10.95

Items 41 to 60 of 236 total

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