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Filters

8 Items
Astronomik ProPlanet 642 IR-Pass Pentax K-1 Clip Filter

Astronomik ProPlanet 642 IR Pass Pentax K1 Clip Filter - P642-PENTAX

SKU: ASF-P642-PENTAX
  • Filter Type: Pro Planet
  • Filter Size: Pentax K1 Clip
  • Filter Shape: Pentax Clip
  • Filter Insert Style: Clip-In
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$159.95
Astronomik ProPlanet 742 IR-Pass Pentax K-1 Clip Filter

Astronomik ProPlanet 742 IR Pass Pentax K1 Clip Filter - P742-PENTAX

SKU: ASF-P742-PENTAX
  • Filter Type: Pro Planet
  • Filter Size: Pentax K1 Clip
  • Filter Shape: Pentax Clip
  • Filter Insert Style: Clip-In
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$119.95
Astronomik ProPlanet 807 IR-Pass Pentax K-1 Clip Filter

Astronomik ProPlanet 807 IR Pass Pentax K1 Clip Filter - P807-PENTAX

SKU: ASF-P807-PENTAX
  • Filter Type: Pro Planet
  • Filter Size: Pentax K1 Clip
  • Filter Shape: Pentax Clip
  • Filter Insert Style: Clip-In
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$119.95
Astronomik OWB Pentax K1 CCD Clip Filter - Type 3

Astronomik OWB Filter - Type 3 - Pentax K1 Clip - OWBCCD-PENTAX

SKU: ASF-OWBCCD-PENTAX
  • Filter Type: OWB
  • Filter Size: Pentax K1 Clip
  • Filter Shape: Pentax Clip
  • Filter Insert Style: Clip-In
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$199.95
Astronomik H-Alpha 12 nm CCD Filter - Pentax K-1 Clip

Astronomik H-Alpha 12 nm Pentax K1 Clip Filter - HA12-PENTAX

SKU: ASF-HA12-PENTAX
  • Filter Type: H-Alpha
  • Filter Size: Pentax K1 Clip
  • Filter Shape: Pentax Clip
  • Filter Insert Style: Clip-In
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$329.95
Astronomik CLS Pentax K1 Clip Filter

Astronomik CLS Pentax K1 Clip Filter - CLS-PENTAX

SKU: ASF-CLS-PENTAX
  • Filter Type: CLS/LPR
  • Filter Size: Pentax K1 Clip
  • Filter Shape: Pentax Clip
  • Filter Insert Style: Clip-In
$189.95
Astronomik CLS CCD Pentax K1 Clip Filter

Astronomik CLS CCD Pentax K1 Clip Filter - CLSCCD-PENTAX

SKU: ASF-CLSCCD-PENTAX
  • Filter Type: CLS/LPR
  • Filter Size: Pentax K1 Clip
  • Filter Shape: Pentax Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$239.95
Astronomik L-2 UV-IR Blocking Filter - Pentax K1 Clip Format

Astronomik L-2 UV-IR Blocking Filter - Pentax K-1 Clip - L2-PENTAX

SKU: ASF-L2-PENTAX
  • Filter Type: UV/IR/Luminance
  • Filter Size: Pentax K1 Clip
  • Filter Shape: Pentax Clip
  • Filter Insert Style: Clip-In
$129.95

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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