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Filters

6 Items
Astrodon 36 mm Round Unmounted Luminance Gen2 UV/NIR Block Filter

Astrodon Luminance Gen2 UV/NIR Blocking Filter - 36 mm Round Unmounted - L2-36R

SKU: ASD-L2-36R
  • Filter Type: UV/IR/Luminance
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$242.00
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 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 31 mm Unthreaded Luminance Filter with UV/NIR Blocking

Astrodon Luminance UV/NIR Blocking Filter - 31 mm Unthreaded Insert - L2-31R

SKU: ASD-L2-31R
  • Filter Type: UV/IR/Luminance
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$194.00

Astrodon Luminance Gen2 UV/NIR Blocking Filter - 1.25" Threaded Cell - L2-27R

SKU: ASD-L2-27R
  • Filter Type: UV/IR/Luminance
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$184.00
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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