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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.

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Dual / Multi-Band Filters (Color)

Filters

Original price $239.00 - Original price $309.00
Original price
$239.00 - $309.00
$239.00 - $309.00
Current price $239.00

Optolong L-Extreme Filter

Options available
8 variants in stock

Narrow dual-bandpass filter for H-Alpha and OIII Blocks >99% of light pollution emission lines Peak transmission of >90% at critical wavelen...

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Original price $239.00 - Original price $309.00
Original price
$239.00 - $309.00
$239.00 - $309.00
Current price $239.00
Original price $198.00 - Original price $198.00
Original price
$198.00
$198.00 - $198.00
Current price $198.00

Antlia Quad Band Light Pollution Filter - 2"

ANT-QUAD-2
5 in stock

The Antlia Quad Band Anti-Light Pollution Filter is a light suppression filter for color and monochrome cameras. It is able to shoot most deep sky...

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Original price $198.00 - Original price $198.00
Original price
$198.00
$198.00 - $198.00
Current price $198.00
Original price $179.00 - Original price $179.00
Original price
$179.00
$179.00 - $179.00
Current price $179.00

Antlia Triband RGB Ultra Filter V2

ANT-TRIBAND-V2
4 in stock

Enhanced Transmission for Superior Signal-to-Noise Ratio Anti-Reflection Coating to Reduce Halo Effect Optimized for Fast Optics up to f/2 Desc...

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Original price $179.00 - Original price $179.00
Original price
$179.00
$179.00 - $179.00
Current price $179.00
Original price $119.00 - Original price $119.00
Original price
$119.00
$119.00 - $119.00
Current price $119.00

Askar Colour Magic SII/OIII C2 Filter - 2"

ASK-ASKAR2DBC2
3 in stock

Dual-band filter passing SⅡ (672nm) and OIII (500.7nm) emission lines Designed for one-shot-color cameras to capture data often missed by Hα/OIII ...

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Original price $119.00 - Original price $119.00
Original price
$119.00
$119.00 - $119.00
Current price $119.00
Original price $179.00 - Original price $259.00
Original price
$179.00 - $259.00
$179.00 - $259.00
Current price $179.00

Optolong L-Enhance Filter

Options available
7 variants in stock

Dual-bandpass filter isolates H-Alpha, H-Beta, and OIII emission lines Peak transmission of over 90% for maximum signal Blocks over 99% of light p...

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Original price $179.00 - Original price $259.00
Original price
$179.00 - $259.00
$179.00 - $259.00
Current price $179.00
Original price $99.00 - Original price $169.00
Original price
$99.00 - $169.00
$99.00 - $169.00
Current price $99.00

ZWO Duo-Band Filter

Options available
7 variants in stock

Passes H-Alpha (15nm) and OIII (35nm) Wavelengths Designed for One-Shot Color (OSC) Cameras 1.25" Threaded Cell Over 80% Ha & 90% OIII Transmi...

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Original price $99.00 - Original price $169.00
Original price
$99.00 - $169.00
$99.00 - $169.00
Current price $99.00
Original price $289.00 - Original price $389.00
Original price
$289.00 - $389.00
$289.00 - $389.00
Current price $289.00

Optolong L-Ultimate Ha/OIII 3nm Filter

Options available
14 variants in stock

Dual 3nm bandpass isolates Hydrogen-alpha and Oxygen-III emission lines Blocks light pollution across the 300-1000nm spectrum Greater than OD4 blo...

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Original price $289.00 - Original price $389.00
Original price
$289.00 - $389.00
$289.00 - $389.00
Current price $289.00
Original price $119.00 - Original price $119.00
Original price
$119.00
$119.00 - $119.00
Current price $119.00

Askar Colour Magic Ha/OIII C1 Filter - 2"

ASK-ASKAR2DBC1
2 in stock

Dual-bandpass filter for H-alpha (656.6nm) and Oxygen-III (500.7nm) Asymmetrical bandwidths: 15nm for H-alpha, 35nm for OIII Greater than 90% peak...

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Original price $119.00 - Original price $119.00
Original price
$119.00
$119.00 - $119.00
Current price $119.00
Original price $319.00 - Original price $319.00
Original price
$319.00
$319.00 - $319.00
Current price $319.00

Askar 6nm Colour Magic Super SII/OIII D2 Filter - 2"

ASK-ASK2DNSOD2
3 in stock

Dual-band filter passing OIII (6.5nm) and SII (8.5nm) wavelengths Peak transmittance of 85% for maximum signal capture Designed for color cameras ...

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Original price $319.00 - Original price $319.00
Original price
$319.00
$319.00 - $319.00
Current price $319.00
Original price $199.00 - Original price $199.00
Original price
$199.00
$199.00 - $199.00
Current price $199.00

Optolong L-Quad Enhance Filter

OPT-14702
3 in stock

Quad-bandpass design for color cameras Suppresses light pollution with OD2-OD4 blocking depth Maintains sharpness with a λ/4 transmitted wavefront...

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Original price $199.00 - Original price $199.00
Original price
$199.00
$199.00 - $199.00
Current price $199.00
Original price $380.00 - Original price $380.00
Original price
$380.00
$380.00 - $380.00
Current price $380.00

Antlia ALP-T Dualband 5nm Ha/OIII Filter

ANT-ALP-T-2

The Antlia ALP-T dual band 5nm Ha&OIII filter is a dual line-pass filter which was designed to be used primarily with one-shot color (OSC) cam...

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Original price $380.00 - Original price $380.00
Original price
$380.00
$380.00 - $380.00
Current price $380.00
Original price $390.00 - Original price $390.00
Original price
$390.00
$390.00 - $390.00
Current price $390.00

Antlia ALP-T Dual Band Ha&OIII 3nm

ANT-ALP-T-3NM-HAOIII
4 in stock

Precise Narrowband Filtering for Exceptional Contrast Enhanced Transmission for Superior Signal-to-Noise Ratio ...

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Original price $390.00 - Original price $390.00
Original price
$390.00
$390.00 - $390.00
Current price $390.00
Original price $350.00 - Original price $350.00
Original price
$350.00
$350.00 - $350.00
Current price $350.00

Antlia ALP-T Dualband 5nm SII/Hb Filter

ANT-ALP-T-SII-HB-2

The ALP-T dual band 5nm SII&Hb filter is a dual line-pass filter, which lets the deep red Sulfur-II line and the blue Hydrogen-Beta line throu...

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Original price $350.00 - Original price $350.00
Original price
$350.00
$350.00 - $350.00
Current price $350.00
Original price $309.00 - Original price $309.00
Original price
$309.00
$309.00 - $309.00
Current price $309.00

Optolong L-Synergy 7nm SII/OIII Dual Narrowband Filter

OPT-LSYNERGY
3 in stock

Captures Sulfur-II and Oxygen-III Emission Lines Simultaneously Engineered for Hubble Palette (SHO) Imaging with Color Cameras Strict 7nm Bandpass...

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Original price $309.00 - Original price $309.00
Original price
$309.00
$309.00 - $309.00
Current price $309.00
Original price $319.00 - Original price $319.00
Original price
$319.00
$319.00 - $319.00
Current price $319.00

Askar 6nm Colour Magic Super Ha/OIII D1 Filter - 2"

ASK-ASK2DNHOD1
4 in stock

Dual-Bandpass: 8.5nm H-alpha & 6.5nm OIII Peak Transmittance: >85% at 500.7nm and 656.6nm Light Pollution Suppression: ≥OD5 blocking from 2...

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Original price $319.00 - Original price $319.00
Original price
$319.00
$319.00 - $319.00
Current price $319.00
Original price $73.17 - Original price $119.61
Original price
$73.17 - $119.61
$73.17 - $119.61
Current price $73.17

SVBONY SV220 7nm Ha/OIII Dual-Band Filter

Options available
6 variants in stock

Original price $73.17 - Original price $119.61
Original price
$73.17 - $119.61
$73.17 - $119.61
Current price $73.17
Original price $259.00 - Original price $259.00
Original price
$259.00
$259.00 - $259.00
Current price $259.00

Optolong L-Para HA/OIII 10nm Filter - 2"

OPT-AS100221
5 in stock

Dual Narrowband H-Alpha & OIII Filter Suppresses Mercury, Sodium & LED Light Pollution Optimized for Fast-Ratio Systems (RASA, HyperStar) ...

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Original price $259.00 - Original price $259.00
Original price
$259.00
$259.00 - $259.00
Current price $259.00
Original price $380.00 - Original price $380.00
Original price
$380.00
$380.00 - $380.00
Current price $380.00

Antlia ALP-T Dualband 5nm Ha/OIII Highspeed Filter

ANT-ALP-T-HS-2

ALP-T Dual Band 5nm Highspeed Filters are further optimized to work with high-speed imaging systems by shifting slightly the passband and center w...

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Original price $380.00 - Original price $380.00
Original price
$380.00
$380.00 - $380.00
Current price $380.00
Original price $595.92 - Original price $595.92
Original price
$595.92
$595.92 - $595.92
Current price $595.92

Askar 3nm Colour Magic Ultra OIII/SII E2 Filter - 2"

ASK-ASKAR2DBE2
1 in stock

Dual-bandpass design captures OIII (500.7nm) and SII (672nm) simultaneously Narrow 3.7nm (OIII) and 4.0nm (SII) FWHM for high-contrast imaging Pea...

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Original price $595.92 - Original price $595.92
Original price
$595.92
$595.92 - $595.92
Current price $595.92
Original price $360.00 - Original price $360.00
Original price
$360.00
$360.00 - $360.00
Current price $360.00

Antlia ALP-T Dual Band SII&Hβ 3.5nm

ANT-ALP-T-3NM-SIIHB
2 in stock

Precise Narrowband Filtering for Exceptional Contrast Enhanced Transmission for Superior Signal-to-Noise Ratio Anti-Reflection Coating to Reduce H...

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Original price $360.00 - Original price $360.00
Original price
$360.00
$360.00 - $360.00
Current price $360.00
Original price $499.00 - Original price $499.00
Original price
$499.00
$499.00 - $499.00
Current price $499.00

Player One Anti-Halo PRO Dual-Band Ha/OIII Filter - 2"

POA-AHP-HO-2

Advanced Halo Suppression: Specifically engineered to eliminate halos around even the brightest stars. Dual-Band Ha+OIII Design: Captures hydrog...

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Original price $499.00 - Original price $499.00
Original price
$499.00
$499.00 - $499.00
Current price $499.00
Original price $124.99 - Original price $124.99
Original price
$124.99
$124.99 - $124.99
Current price $124.99

SVBONY SV260 5-Bandpass Light Pollution Filter - 2"

SV-W9194A

5-Bandpass broadband light pollution filter 2-inch size with M48x0.75 thread Over 90% peak transmittance for high signal OD4 blocking of key light...

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Original price $124.99 - Original price $124.99
Original price
$124.99
$124.99 - $124.99
Current price $124.99
Original price $89.99 - Original price $119.99
Original price
$89.99 - $119.99
$89.99 - $119.99
Current price $89.99

SVBONY SV240 Near-Infrared Multi-Narrowband Light Pollution Filter

Options available

Designed for urban astrophotography with one-shot color cameras Passes H-Alpha, OIII, H-Beta, and Near-Infrared (NIR) wavelengths Peak transmittan...

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Original price $89.99 - Original price $119.99
Original price
$89.99 - $119.99
$89.99 - $119.99
Current price $89.99
Original price $119.99 - Original price $249.99
Original price
$119.99 - $249.99
$119.99 - $249.99
Current price $119.99

SVBONY SV220 3nm H-Alpha & OIII Dual Narrowband Filter

Options available
2 variants in stock

3nm Dual-Bandpass: Isolates H-Alpha (656.3 nm) and OIII (500.7 nm) emission lines with extreme prejudice against light pollution. ≥85% Peak Tran...

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Original price $119.99 - Original price $249.99
Original price
$119.99 - $249.99
$119.99 - $249.99
Current price $119.99