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Astrophotography Deal - Celestron 11" RASA - $1,000 Off - Now Only $2595 - Limited Quantity On Hand

Astrodon

Items 1 - 25 of 123

Astrodon 3 nm H-Alpha Narrowband Filter - 49.7 mm Round Unmounted - HA3-50R

SKU: ASD-HA3-50R
  • Filter Type: H-Alpha
  • Filter Size: 50 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$1,145.00

Astrodon 3 nm H-Alpha Narrowband Filter - 36 mm Round Unmounted - HA3-36R

SKU: ASD-HA3-36R
  • Filter Type: H-Alpha
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$748.00

Astrodon 3 nm NII Narrowband Filter - 36 mm Round - NII3-36MR

SKU: ASD-NII3-36MR
  • Filter Type: NII
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$639.00
Astrodon OIII 3 nm Narrowband Filter - 36 mm Unthreaded Insert

Astrodon 3 nm OIII Narrowband Filter - 36 mm Round - OIII3-36R

SKU: ASD-OIII3-36R
  • Filter Type: OIII
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$748.00

Astrodon 3 nm SII Narrowband Filter - 36 mm Round - SII3-36R

SKU: ASD-SII3-36R
  • Filter Type: SII
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$748.00
Astrodon 36 mm Round H-Alpha 5 nm Narrowband Filter

Astrodon 5 nm H-Alpha Narrowband Filter - 36 mm Round - HA5-36R

SKU: ASD-HA5-36R
  • Filter Type: H-Alpha
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$501.00
Astrodon 3 nm OIII Narrowband Filter - 50 mm Round

Astrodon 3 nm OIII Narrowband Filter - 49.7 mm Round Unmounted - OIII3-50R

SKU: ASD-OIII3-50R
  • Filter Type: OIII
  • Filter Size: 50 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$1,145.00
Astrodon 3 nm SII Narrowband 49.7 mm Round Filter

Astrodon 3 nm SII Narrowband Filter - 49.7 mm Round Unmounted - SII3-50R

SKU: ASD-SII3-50R
  • Filter Type: SII
  • Filter Size: 50 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$1,145.00
Astrodon 3 nm SII Narrowband 49.7 mm Round Filter

Astrodon 3 nm SII Narrowband Filter - 65 mm Square Unmounted - SII3-65S

SKU: ASD-SII3-65S
  • Filter Type: SII
  • Filter Size: 65 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$2,495.00

Astrodon 3 nm H-Alpha Narrowband Filter - 65 mm Square Unmounted - HA3-65S

SKU: ASD-HA3-65S
  • Filter Type: H-Alpha
  • Filter Size: 65 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$2,495.00

Astrodon 3 nm OIII Narrowband Filter - 65 mm Square Unmounted - OIII3-65S

SKU: ASD-OIII3-65S
  • Filter Type: OIII
  • Filter Size: 65 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$2,495.00

Astrodon 5 nm OIII Narrowband Filter - 36 mm Round Unmounted - OIII5-36R

SKU: ASD-OIII5-36R
  • Filter Type: OIII
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$501.00

Astrodon 5 nm SII Narrowband Filter - 36 mm Round Unmounted - SII5-36R

SKU: ASD-SII5-36R
  • Filter Type: SII
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$501.00
Astrodon 49.7 mm Round Unmounted Clear Filter with UV Blocking Only (No NIR Blocking)

Astrodon Clear Filter with UV-Blocking Only - 49.7 mm Square Unmounted - C2-50S

SKU: ASD-C2-50S
  • Filter Type: Clear
  • Filter Size: 50 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$368.00
Astrodon Narrowband Filters

Astrodon 5 nm OIII Narrowband Filter - 49.7 mm Square Unmounted - OIII5-50S

SKU: ASD-OIII5-50S
  • Filter Type: OIII
  • Filter Size: 50 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$1,024.00
Astrodon Narrowband Filters

Astrodon 5 nm Red Continuum Narrowband Filter - 49.7 mm Square Unmounted - REDCON5-50S

SKU: ASD-REDCON5-50S
  • Filter Type: Continuum (Not Solar)
  • Filter Size: 50 mm
  • Filter Shape: Square
  • Filter Insert Style: Drop-In
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$1,024.00
Astrodon Narrowband Filters

Astrodon 3 nm NII Narrowband Filter - 1.25" Threaded Cell - NII3-27R

SKU: ASD-NII3-27R
  • Filter Type: NII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$564.00
Astrodon I-Series 1.25" Threaded Cell Tru-Balance LRGB Filter Set

Astrodon Gen2 I-Series LRGB Tru-Balance Filter Set - 1.25" Threaded Cell - LRGB2-I27R

SKU: ASD-LRGB2-I27R
  • Filter Type: RGB
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$547.00
Astrodon Generation 2 I-Series Tru-Balance LRGB Filter Set - 31 mm Unthreaded Insert

Astrodon Gen2 I-Series LRGB Tru-Balance Filter Set - 31 mm Unthreaded Insert - LRGB2-I31R

SKU: ASD-LRGB2-I31R
  • Filter Type: RGB
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$615.00
Astrodon 36 mm Round Unmounted Gen2 I-Series LRGB Tru-Balance Filters

Astrodon Gen2 I-Series LRGB Tru-Balance Filter Set - 36 mm Round Unmounted - LRGB2-I36R

SKU: ASD-LRGB2-I36R
  • Filter Type: RGB
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$790.00
Astrodon 50 mm Round Unmounted Generation 2 I-Series LRGB Tru-Balance Filter Set

Astrodon Gen2 I-Series LRGB Tru-Balance Filter Set - 49.7 mm Round Unmounted - LRGB2-I50R

SKU: ASD-LRGB2-I50R
  • Filter Type: RGB
  • Filter Size: 50 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$1,188.00
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 Narrowband Filters

Astrodon 5 nm H-Alpha Narrowband Filter - 49.7 mm Round Unmounted - HA5-50R

SKU: ASD-HA5-50R
  • Filter Type: H-Alpha
  • Filter Size: 50 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$870.00
Astrodon Narrowband Filters

Astrodon 5 nm SII Narrowband Filter - 49.7 mm Round Unmounted - SII5-50R

SKU: ASD-SII5-50R
  • Filter Type: SII
  • Filter Size: 50 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$870.00
Astrodon Narrowband Filters

Astrodon 5 nm OIII Narrowband Filter - 49.7 mm Round Unmounted - OIII5-50R

SKU: ASD-OIII5-50R
  • Filter Type: OIII
  • Filter Size: 50 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$870.00

Founded in 2003 by Don Goldman, Astrodon was initially formed in order to distribute his innovative color-balanced RGB filters. These "Tru-Balance" filters would soon be joined by the introduction of maximum performance narrowband filters, as well as the MonsterMOAG Off-Axis Guider. Next, Astrodon acquired Schuler Astro-Imaging UVBRI photometric filters to enter the research market. Prior to being acquired by Astrodon, these filters were constructed of three different colored glasses fused together. Don improved on the design by building the UBVRI filters in the same fashion as all filters made by Astrodon, with a single high quality 3 mm thick fused silica substrate fully coated with hard oxide sputtered coatings. Finally, Astrodon added Sloan (SDSS) filters, featuring the highest throughputs and amazing durability for use during extended research projects.


Astrodon was acquired by Optical Structures (known by most amateur astronomers as FarPoint) in 2018 but all specifications on all Astrodon filters will remain at the same high standards. With Astrodon, you can count on receiving the most durable, high performance, user-friendly filters available anywhere.

High Point Scientific is rated 4.9/5 based on 1347 reviews