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Filters

12 Items
Baader 50 mm Square Unmounted UV-IR Cut/L Filter

Baader UV-IR-Cut L Filter - 65 mm Square Unmounted - FUVIR-SQ65

SKU: BAD-FUVIR-SQ65
  • Filter Type: UV/IR/Luminance
  • Filter Size: 50 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$267.00
Astronomik Luminance Filter Type 2C - 50 mm Round Mounted

Astronomik Luminance Filter Type 2C - 50 mm Round Mounted - L-50R

SKU: ASF-L-50R
  • Filter Type: UV/IR/Luminance
  • Filter Size: 50 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$99.95 $84.95
Baader 50 x 50 mm Square Unmounted UV-IR Cut Luminance Filter

Baader Planetarium 50 mm Square UV-IR Cut L-Filter - FUVIR-SQ50

SKU: BAD-FUVIR-SQ50
  • Filter Type: UV/IR/Luminance
  • Filter Size: 50 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$219.00
Astronomik L-1 UV-IR Blocking Luminance Filter - 50 mm Round

Astronomik L-1 UV-IR Blocking Filter - 50 mm Round - L1-50R

SKU: ASF-L1-50R
  • Filter Type: UV/IR/Luminance
  • Filter Size: 50 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$129.95
Astronomik L-2 UV-IR Blocker - 50 mm Round Filter

Astronomik L-2 UV-IR Blocking Filter - 50 mm Round - L2-50R

SKU: ASF-L2-50R
  • Filter Type: UV/IR/Luminance
  • Filter Size: 50 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$109.95
Astronomik 50 mm Round L-3 UV-IR Blocking Filter

Astronomik L-3 UV-IR Blocking Filter - 50 mm Round - L3-50R

SKU: ASF-L3-50R
  • Filter Type: UV/IR/Luminance
  • Filter Size: 50 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$129.95
Astronomik L-1 Luminance UV-IR Blocking Filter - 50 mm Square

Astronomik L-1 UV-IR Blocking Filter - 50 mm Square - L1-50SQ

SKU: ASF-L1-50SQ
  • Filter Type: UV/IR/Luminance
  • Filter Size: 50 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$179.95
Astronomik UV-IR Blocking L-2 Luminance Filter - 50x50 mm

Astronomik L-2 UV-IR Blocking Filter - 50 mm Square - L2-50SQ

SKU: ASF-L2-50SQ
  • Filter Type: UV/IR/Luminance
  • Filter Size: 50 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$149.95
Astronomik L-3 Luminance UV-IR Blocking Filter - 50x50 mm

Astronomik L-3 UV-IR Blocking Filter - 50 mm Square - L3-50SQ

SKU: ASF-L3-50SQ
  • Filter Type: UV/IR/Luminance
  • Filter Size: 50 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$179.95
Astrodon 50 mm Round Unmounted Luminance Gen2 UV/NIR Block Filter

Astrodon Luminance Gen2 UV/NIR Blocking Filter - 49.7 mm Square Unmounted - L2-50S

SKU: ASD-L2-50S
  • Filter Type: UV/IR/Luminance
  • Filter Size: 50 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$403.00
Astrodon 50 mm Round Unmounted Luminance Gen2 UV/NIR Block Filter

Astrodon Luminance Gen2 UV/NIR Blocking Filter - 49.7 mm Round Unmounted - L2-50R

SKU: ASD-L2-50R
  • Filter Type: UV/IR/Luminance
  • Filter Size: 50 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$318.00
Astrodon UVenus UV Imaging Filter

Astrodon UVenus UV Imaging Filter - 49.7 mm Round Unmounted - UVENUS-50R

SKU: ASD-UVENUS-50R
  • Filter Type: UV/IR/Luminance
  • Filter Size: 50 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$462.00

One of the most crucial accessories of astro-imaging is filters. Eyepiece filters are an invaluable aid in lunar and planetary observing. They reduce glare and light scattering, increase contrast through selective filtration, increase definition and resolution, reduce irradiation and lessen eye fatigue. Different filters will act differently, highlighting a rainbow of wavelengths to enhance a variety of features in the night sky.


Deep-space imaging in particular benefits from filters. Far away celestial objects, such as nebulae come to life in your photos with vivid colors. We recommend starting out with an h-alpha filter to filter out broadband light pollution while only allowing a very narrow bandwidth of light to pass through. These are a favorite filter among astrophotographers!


We offer deep sky filters and planetary filters from Lumicon, Baader Planetarium, Celestron, TeleVue, Meade, Orion, High Point & Thousand Oaks. Telescope filters will add to the performance of virtually any telescope and are a highly recommended telescope accessory. Feel free to contact one of our telescope experts for advice on selecting the filter assortment that is right for you.

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