1.25" Filters

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  1. Celestron - Contrast Booster Filter - 1.25"

    $57.00
    SKU: CEL-94121

    Wait Time is 3-5 Days

    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.

  2. Celestron - Moon Filter - 1.25"

    $13.95
    SKU: CEL-94119-A

    In stock

    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%.

  3. Celestron - Oxygen III (OIII) Narrowband Filter - 1.25"

    $79.95
    SKU: CEL-93623

    In stock

    The 1-1/4" OIII narrowband filter isolates just the two doubly-ionized oxygen lines (496 and 501nm lines) emitted by planetary and emission nebulae, while blocking the rest of the overall spectrum of light.

  4. Celestron - UHC/LPR Filter - 1.25"

    $74.95
    SKU: CEL-94123

    In stock

    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.

  5. Lumicon - Night Sky H-Alpha Filter - 1.25"

    $53.95
    SKU: LMC-LF3085

    Wait Time is 3-5 Days

    Lumicon's Night Sky Hydrogen-Alpha Filters are long-pass filters with a 50% transition from blocking to passing at about 640nm.

  6. Lumicon - Minus Violet Filter - 1.25"

    $59.95
    SKU: LMC-LF3120

    Wait Time is 3-5 Days

    Lumicon Minus Violet and Infrared Blocking Filters are used primarily to "bracket" the color-corrected band of refracting telescopes.

  7. Lumicon - 1.25" Lunar & Planetary Filter Set

    $157.95
    SKU: LMC-LF5045

    Wait Time is 3-5 Days

    The Lumicon 1.25" Lunar & Planetary Filter Set, LF5045, is an excellent "starter-kit,"

  8. Lumicon - Filter # 12 Yellow 1.25"

    $44.95
    SKU: LMC-LF1020

    Wait Time is 3-5 Days

    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.

  9. Lumicon - Filter # 15 Yellow-Orange 1.25"

    $42.95
    SKU: LMC-LF1025

    Wait Time is 3-5 Days

    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.

  10. Lumicon - Filter # 21 Orange 1.25"

    $42.95
    SKU: LMC-LF1030

    Wait Time is 3-5 Days

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

    $42.95
    SKU: LMC-LF1035

    In stock

    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
  12. Lumicon - Filter # 25 Red 1.25"

    $42.95
    SKU: LMC-LF1040

    In stock

    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
  13. Lumicon - Filter # 29 Dark Red 1.25"

    $42.95
    SKU: LMC-LF1045

    In stock

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

    $35.95
    SKU: LMC-LF1050

    In stock

    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
  15. Lumicon - Filter # 47 Violet 1.25"

    $34.95
    SKU: LMC-LF1055

    Wait Time is 3-5 Days

    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
  16. Lumicon - Filter # 56 Green 1.25"

    $35.95
    SKU: LMC-LF1060

    Wait Time is 3-5 Days

    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
  17. Lumicon - Filter # 58 Dark Green 1.25"

    $35.95
    SKU: LMC-LF1065

    Wait Time is 3-5 Days

    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
  18. Lumicon - Filter # 80A Blue 1.25"

    $47.95
    SKU: LMC-LF1070

    In stock

    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
  19. Lumicon - Oxygen III Filter - 1.25"

    $99.95
    SKU: LMC-LF3040

    In stock

    The legendary Lumicon 1.25in OIII narrow band-pass filter isolates just the two doubly ionized oxygen lines (496 and 501nm lines) emitted by diffuse, planetary and extremely faint nebulae.

  20. Lumicon - Hydrogen Beta Filter - 1.25"

    $99.95
    SKU: LMC-LF3055

    In stock

    Also known as the Horsehead Nebula filter, the Lumicon 1.25in Hydrogen-Beta Filter isolates only the hydrogen-beta line of the spectrum (486nm) in a narrow pass-band just 9 nm wide, providing maximum contrast
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