2" Filters

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  1. Baader - 2" Polarization Filter - Single

    $83.00
    SKU: BAA-FPOL-2

    Ships in 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

    Ships in 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

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  4. Baader - Contrast Booster 2" Filter

    $123.00
    SKU: BAA-FCB-2

    In Stock

    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

  5. 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.

  6. 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.

  7. 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

  8. Lumicon - Minus Violet Filter - 2"

    $79.95
    SKU: LMC-LF3125

    Ships in 3-5 Days

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

  9. Lumicon - Infrared Filter - 2"

    $254.95
    SKU: LMC-LF3145

    Ships in 3-5 Days

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

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  10. Lumicon - 2" Lunar & Planetary Filter Set

    $186.95
    SKU: LMC-LF5050

    Ships in 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

  11. Lumicon - Oxygen III Filter - 2"

    $199.95
    SKU: LMC-LF3045

    Ships in 3-5 Days

    The legendary Lumicon 2" OIII narrow band-pass filter isolates just the two doubly ionized oxygen lines

  12. Lumicon - H-Beta Filter - 2"

    $199.95
    SKU: LMC-LF3060

    Ships in 3-5 Days

    Also known as the Horsehead Nebula filter, the Lumicon 2" 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.

  13. Lumicon - Comet Filter - 2"

    $199.95
    SKU: LMC-LF3075

    Ships in 3-5 Days

    The Lumicon 2" Comet Filter, a narrow band-pass filter (25nm), isolates the 501nm OIII line and both C2 lines at 511nm and 514nm.

  14. Lumicon - Filter # 12 Yellow 2"

    $62.50
    SKU: LMC-LF2020

    Ships in 3-5 Days

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides

  15. Lumicon - Filter # 15 Dark Yellow 2"

    $60.95
    SKU: LMC-LF2025

    Ships in 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.

  16. Lumicon - Filter # 21 Orange 2"

    $60.95
    SKU: LMC-LF2030

    Ships in 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.

  17. Lumicon - Filter # 23A Light Red 2"

    $60.95
    SKU: LMC-LF2035

    Ships in 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 # 25 Red 2"

    $60.95
    SKU: LMC-LF2040

    Ships in 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.

  19. Lumicon - Filter # 29 Dark Red 2"

    $60.95
    SKU: LMC-LF2045

    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.

  20. Lumicon - Filter # 38A Dark Blue 2"

    $48.95
    SKU: LMC-LF2050

    Ships in 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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