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  1. 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%.

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    Model#: 94119-A
    $10.95

  2. iOptron - Green Moon Filter

    iOptron - Green Moon Filter

    A moon filter reduces irradiation, glare, and excess image brightness in lunar observing. It also improves the contrast between lunar albedo features.

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    Model#: TFE100
    $14.00

  3. Opticstar - 1.25" 13% Moon Filter

    Opticstar - 1.25" 13% Moon Filter

    1.25" Moon Filter with 13% light transmission from Opticstar.

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    Model#: OSRMN13

    Regular Price: $15.00

    Special Price: $14.25

  4. Opticstar - 1.25" 25% Moon Filter

    Opticstar - 1.25" 25% Moon Filter

    1.25" Moon Filter with 25% light transmission from Opticstar.

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    Model#: OSRMN25

    Regular Price: $15.00

    Special Price: $14.25

  5. Orion - Moon Filter 13 percent Transmission 1.25"

    Orion - Moon Filter 13 percent Transmission 1.25"

    Cures Moon-Watching Washout and EyestrainThe Moon's disk, even at partial phases, is intensely bright with reflected sunlight. The glare washes out most of the craters, rilles, and other surface details from view ... Learn More
    Model#: 5662
    $19.95

  6. Lumicon - Filter # 56 Green 1.25"

    Lumicon - Filter # 56 Green 1.25"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging ... Learn More
    Model#: LF1060
    $23.95

  7. Lumicon - Filter # 38A Dark Blue 1.25"

    Lumicon - Filter # 38A Dark Blue 1.25"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging ... Learn More
    Model#: LF1050
    $23.95

  8. Lumicon - Filter # 25 Red 1.25"

    Lumicon - Filter # 25 Red 1.25"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging ... Learn More
    Model#: LF1040
    $23.95

  9. Lumicon - Filter # 58 Dark Green 1.25"

    Lumicon - Filter # 58 Dark Green 1.25"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging ... Learn More
    Model#: LF1065
    $23.95

  10. Lumicon - Filter # 21 Orange 1.25"

    Lumicon - Filter # 21 Orange 1.25"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging ... Learn More
    Model#: LF1030
    $23.95

  11. Lumicon - Filter # 47 Violet 1.25"

    Lumicon - Filter # 47 Violet 1.25"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging ... Learn More
    Model#: LF1055
    $23.95

  12. Lumicon - Filter # 29 Dark Red 1.25"

    Lumicon - Filter # 29 Dark Red 1.25"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging ... Learn More
    Model#: LF1045
    $23.95

  13. Lumicon - Filter # 23A Light Red 1.25"

    Lumicon - Filter # 23A Light Red 1.25"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging ... Learn More
    Model#: LF1035
    $23.95

  14. 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.

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    Model#: 94119-40

    Regular Price: $49.95

    Special Price: $31.95

  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.

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    Model#: 94119-10
    $34.50

  16. Opticstar 1.25" Light Pollution Filter

    Opticstar - 1.25" Light Pollution Filter

    This Opticstar Light Pollution Filter improve contrast for all types of telescopes; especially effective on the Moon and planets where they will show additional detail.

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    Model#: OSRLPF1

    Regular Price: $50.00

    Special Price: $47.50

  17. Lumicon - Filter Variable Polarizer 2"

    Lumicon - Filter Variable Polarizer 2"

    The LF2115, 2" Variable Polarizing Filter, is the all-phase lunar filter for large telescopes. Transmittance is continuously variable from about 5% to 35%. Fits 2" eyepieces.

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    Model#: LF2115

    Regular Price: $62.95

    Special Price: $49.95

  18. 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.

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    Model#: 94121
    $57.00

  19. FP473

    Opticstar - 1.25 " Nebula Deep Sky Filter

    This Opticstar 1.25" eyepiece is suitable for both visual observation and imaging these are all-in-one high-transmission deep sky filters.

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    Model#: OSRIFNEB1

    Regular Price: $60.00

    Special Price: $57.00

  20. Celestron - UHC/LPR Filter - 1.25"

    Celestron - UHC/LPR Filter - 1.25"

    The new ultra high contrast (UHC) LPR filter has improved contrast over the typical broadband filters. Sky background is darker, and contrast of emission nebulae are noticeably improved.

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    Model#: 94123
    $64.50

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