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  1. Baader - 2" Polarization Filter - Single

    $83.00
    SKU: BAA-FPOL-2

    Wait Time is 3-5 Days

    The Baader 2" Polarizer can attacha a T2-15 adapter, enabling the use of 1.25" eyepiece without removing the filter while keeping the eyepiece and filter position close.

  2. Baader - UHC-S / L-Booster-Filter 2"

    $147.00
    SKU: BAA-FUHC-2

    In stock

    The Baader Planetarium UHC-S Nebula filter excels at delivering a high-contrast and natural view of emission nebula - without excessive dimming and loss of background star fields.

  3. Baader - U-Filter (Venus and Ultraviolet) - 2"

    $387.00
    SKU: BAA-FUV-2

    Wait Time is 3-5 Days

    Another unique and pioneering filter from Baader Planetarium. For the first time, amateurs can now record cloud structures on Venus. The Baader Venus Filter enables amateurs to successfully image in the deep UV, a spectral region normally inaccessible

    FREE SHIPPING(48 States)
  4. Baader - UV / IR Cut / L-Filter 50x50mm (3mm glass thickness) Square

    $219.00
    SKU: BAA-FUVIR-SQ50

    Wait Time is 3-5 Days

    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
    FREE SHIPPING(48 States)
  5. Baader - UV / IR Cut / L-Filter 50.4mm (3mm glass thickness) Round

    $156.00
    SKU: BAA-FUVIR-RD50

    Wait Time is 3-5 Days

    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
  6. Baader - Contrast Booster 2" Filter

    $123.00
    SKU: BAA-FCB-2

    Wait Time is 3-5 Days

    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

  7. 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.

  8. 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%.

  9. 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.

  10. Celestron - Oxygen III (OIII) Narrowband Filter - 2"

    $109.95
    SKU: CEL-93624

    In stock

    Each filter has an ultra hard, vacuum-deposited coating carefully designed to block all of the visual spectrum ranging from 400 to 700 nm This eliminates the un-natural colored halos surrounding bright stars common with O III filters of less sophisticated coating technology.

  11. 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.

  12. Celestron - UHC/LPR Filter - 2"

    $99.95
    SKU: CEL-94124

    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.

  13. 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.

  14. Lumicon - Night Sky H-Alpha Filter - 2"

    $75.95
    SKU: LMC-LF3090

    In stock

    Lumicon's Night Sky Hydrogen-Alpha Filters are long-pass filters with a 50% transition from blocking to passing at about 640nm. At wavelengths longer than 650nm, transmittance is 90% or above

  15. 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.

  16. Lumicon - Minus Violet Filter - 2"

    $79.95
    SKU: LMC-LF3125

    In stock

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

  17. Lumicon - Infrared Filter - 2"

    $254.95
    SKU: LMC-LF3145

    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.

    FREE SHIPPING(48 States)
  18. 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,"

  19. Lumicon - 2" Lunar & Planetary Filter Set

    $186.95
    SKU: LMC-LF5050

    Wait Time is 3-5 Days

    The Lumicon 2" Lunar & Planetary Filter Set, LF5050, is an excellent, general-purpose set of four (4) of Lumicon's most popular 2" lunar and planetary filters

  20. 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.

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