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Original price CA$611.00 - Original price CA$611.00
Original price
CA$611.00
CA$611.00 - CA$611.00
Current price CA$611.00

Antlia 2.8nm Narrowband H-alpha Ultra Filter - Discontinued

ANT-HA-2.8NM-RD36

Antlia H-alpha Pro narrowband filter optimizes the FWHM (full width half maximum) to 2.8nm bandpass. As the bandwidth becomes narrower, the 2.8nm ...

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Original price CA$611.00 - Original price CA$611.00
Original price
CA$611.00
CA$611.00 - CA$611.00
Current price CA$611.00
Sold out
Original price CA$611.00 - Original price CA$611.00
Original price
CA$611.00
CA$611.00 - CA$611.00
Current price CA$611.00

Antlia 2.8nm Narrowband OIII Ultra Filter - Discontinued

ANT-OIII-2.8NM-RD36

Antlia OIII Ultra narrowband filter optimizes the FWHM (full width half maximum) to 2.8nm bandpass. As the bandwidth becomes narrower, the 2.8nm U...

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Original price CA$611.00 - Original price CA$611.00
Original price
CA$611.00
CA$611.00 - CA$611.00
Current price CA$611.00
Sold out
Original price CA$611.00 - Original price CA$611.00
Original price
CA$611.00
CA$611.00 - CA$611.00
Current price CA$611.00

Antlia 2.8nm Narrowband SII Ultra Filter - Discontinued

ANT-SII-2.8NM-RD36

Antlia SII Ultra narrowband filter optimizes the FWHM (full width half maximum) to 2.8nm bandpass. As the bandwidth becomes narrower, the 2.8nm Ul...

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Original price CA$611.00 - Original price CA$611.00
Original price
CA$611.00
CA$611.00 - CA$611.00
Current price CA$611.00
Sold out
Original price CA$362.00 - Original price CA$696.00
Original price
CA$362.00 - CA$696.00
CA$362.00 - CA$696.00
Current price CA$362.00

Antlia 3nm Narrowband H-alpha Pro Filter

Options available
4 variants in stock

656.3nm H-alpha Central Wavelength Small 3nm FHWM High >88% Peak Transmission Minimized halos on bright stars Description Specificat...

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Original price CA$362.00 - Original price CA$696.00
Original price
CA$362.00 - CA$696.00
CA$362.00 - CA$696.00
Current price CA$362.00
Original price CA$375.00 - Original price CA$721.00
Original price
CA$375.00 - CA$721.00
CA$375.00 - CA$721.00
Current price CA$375.00

Antlia 3nm Narrowband H-alpha Pro Highspeed Filter - f/2.6 to f/3.6

Options available
1 variants in stock

Pre-shifted 656.3nm H-alpha Central Wavelength for High-Speed Systems Optimized 3nm FHWM for f/2.6–f/3.6 High >90% Peak Transmission Enhanced S...

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Original price CA$375.00 - Original price CA$721.00
Original price
CA$375.00 - CA$721.00
CA$375.00 - CA$721.00
Current price CA$375.00
Original price CA$362.00 - Original price CA$696.00
Original price
CA$362.00 - CA$696.00
CA$362.00 - CA$696.00
Current price CA$362.00

Antlia 3nm Narrowband OIII Pro Filter

Options available
5 variants in stock

Antlia OIII Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nmbandpass. As the bandwidth becomes narrower, the 3nm Pro narro...

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Original price CA$362.00 - Original price CA$696.00
Original price
CA$362.00 - CA$696.00
CA$362.00 - CA$696.00
Current price CA$362.00
Original price CA$375.00 - Original price CA$721.00
Original price
CA$375.00 - CA$721.00
CA$375.00 - CA$721.00
Current price CA$375.00

Antlia 3nm Narrowband OIII Pro Highspeed Filter - f/2.6 to f/3.6

Options available
1 variants in stock

Pre-shifted 500.7nm OIII Central Wavelength for High-Speed Systems Optimized 3nm FHWM for f/2.6–f/3.6 High >90% Peak Transmission Enhan...

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Original price CA$375.00 - Original price CA$721.00
Original price
CA$375.00 - CA$721.00
CA$375.00 - CA$721.00
Current price CA$375.00
Original price CA$362.00 - Original price CA$696.00
Original price
CA$362.00 - CA$696.00
CA$362.00 - CA$696.00
Current price CA$362.00

Antlia 3nm Narrowband SII Pro Filter

Options available
5 variants in stock

Antlia SII Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nm bandpass. As the bandwidth becomes narrower, the 3nm Pro narro...

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Original price CA$362.00 - Original price CA$696.00
Original price
CA$362.00 - CA$696.00
CA$362.00 - CA$696.00
Current price CA$362.00
Original price CA$375.00 - Original price CA$721.00
Original price
CA$375.00 - CA$721.00
CA$375.00 - CA$721.00
Current price CA$375.00

Antlia 3nm Narrowband SII Pro Highspeed Filter - f/2.6 to f/3.6

Options available
1 variants in stock

Pre-shifted 500.7nm OIII Central Wavelength for High-Speed Systems Optimized 3nm FHWM for f/2.6–f/3.6 High >90% Peak Transmission Enhan...

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Original price CA$375.00 - Original price CA$721.00
Original price
CA$375.00 - CA$721.00
CA$375.00 - CA$721.00
Current price CA$375.00
Original price CA$263.00 - Original price CA$497.00
Original price
CA$263.00 - CA$497.00
CA$263.00 - CA$497.00
Current price CA$263.00

Antlia 4.5nm Narrowband H-alpha Edge Filter

Options available
5 variants in stock

Antlia H-alpha EDGE narrowband filter optimizes the FWHM (full width half maximum) to 4.5nm bandpass. The suppression of optical density (OD)5 on ...

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Original price CA$263.00 - Original price CA$497.00
Original price
CA$263.00 - CA$497.00
CA$263.00 - CA$497.00
Current price CA$263.00
Original price CA$263.00 - Original price CA$497.00
Original price
CA$263.00 - CA$497.00
CA$263.00 - CA$497.00
Current price CA$263.00

Antlia 4.5nm Narrowband OIII Edge Filter

Options available
4 variants in stock

Antlia OIII EDGE narrowband filter optimizes the FWHM (full width half maximum) to 4.5nm bandpass. The suppression of optical density (OD)5 on unw...

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Original price CA$263.00 - Original price CA$497.00
Original price
CA$263.00 - CA$497.00
CA$263.00 - CA$497.00
Current price CA$263.00
Original price CA$263.00 - Original price CA$497.00
Original price
CA$263.00 - CA$497.00
CA$263.00 - CA$497.00
Current price CA$263.00

Antlia 4.5nm Narrowband SII Edge Filter

Options available
4 variants in stock

Antlia SII EDGE narrowband filter optimizes the FWHM (full width half maximum) to 4.5nm bandpass. The suppression of optical density (OD)5 on unwa...

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Original price CA$263.00 - Original price CA$497.00
Original price
CA$263.00 - CA$497.00
CA$263.00 - CA$497.00
Current price CA$263.00
Original price CA$554.00 - Original price CA$554.00
Original price
CA$554.00
CA$554.00 - CA$554.00
Current price CA$554.00

Antlia ALP-T Dual Band Ha&OIII 3nm

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

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

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Original price CA$554.00 - Original price CA$554.00
Original price
CA$554.00
CA$554.00 - CA$554.00
Current price CA$554.00
Original price CA$1,008.00 - Original price CA$1,008.00
Original price
CA$1,008.00
CA$1,008.00 - CA$1,008.00
Current price CA$1,008.00

Antlia ALP-T Dual Band Ha&OIII 3nm + SII&Hb 3.5nm 2" Filter Set

ANT-ALP-T-3NM-KIT
1 in stock

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

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Original price CA$1,008.00 - Original price CA$1,008.00
Original price
CA$1,008.00
CA$1,008.00 - CA$1,008.00
Current price CA$1,008.00
Original price CA$511.00 - Original price CA$511.00
Original price
CA$511.00
CA$511.00 - CA$511.00
Current price CA$511.00

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 CA$511.00 - Original price CA$511.00
Original price
CA$511.00
CA$511.00 - CA$511.00
Current price CA$511.00
Original price CA$980.00 - Original price CA$980.00
Original price
CA$980.00
CA$980.00 - CA$980.00
Current price CA$980.00

Antlia ALP-T Dualband 5nm Ha/OIII and SII/Hb Filter Set - 2"

ANT-ALP-T-SET

Original price CA$980.00 - Original price CA$980.00
Original price
CA$980.00
CA$980.00 - CA$980.00
Current price CA$980.00
Original price CA$540.00 - Original price CA$540.00
Original price
CA$540.00
CA$540.00 - CA$540.00
Current price CA$540.00

Antlia ALP-T Dualband 5nm Ha/OIII Filter

ANT-ALP-T-2
1 in stock

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 CA$540.00 - Original price CA$540.00
Original price
CA$540.00
CA$540.00 - CA$540.00
Current price CA$540.00
Original price CA$540.00 - Original price CA$540.00
Original price
CA$540.00
CA$540.00 - CA$540.00
Current price CA$540.00

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

ANT-ALP-T-HS-2
1 in stock

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 CA$540.00 - Original price CA$540.00
Original price
CA$540.00
CA$540.00 - CA$540.00
Current price CA$540.00
Original price CA$497.00 - Original price CA$497.00
Original price
CA$497.00
CA$497.00 - CA$497.00
Current price CA$497.00

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 CA$497.00 - Original price CA$497.00
Original price
CA$497.00
CA$497.00 - CA$497.00
Current price CA$497.00
Original price CA$236.00 - Original price CA$236.00
Original price
CA$236.00
CA$236.00 - CA$236.00
Current price CA$236.00

Antlia CH4 Methane Filter - 1.25"

ANT-CH4

Antlia methane (CH4) filter is a specialized filter that allows light in the near infrared portion of the spectrum centered at 889nm to pass throug...

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Original price CA$236.00 - Original price CA$236.00
Original price
CA$236.00
CA$236.00 - CA$236.00
Current price CA$236.00
Original price CA$141.00 - Original price CA$141.00
Original price
CA$141.00
CA$141.00 - CA$141.00
Current price CA$141.00

Antlia H-beta and OIII Visual Filter - 1.25"

ANT-HB-OIII-1.25
2 in stock

Antlia HB-OIII filter is engineered specifically for night visual nebulae observation at a high contrast and Deep-sky astrophotography. Its transm...

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Original price CA$141.00 - Original price CA$141.00
Original price
CA$141.00
CA$141.00 - CA$141.00
Current price CA$141.00
Original price CA$481.00 - Original price CA$481.00
Original price
CA$481.00
CA$481.00 - CA$481.00
Current price CA$481.00

Antlia Imaging Herschel Wedge with CaK 3nm Filter - 1.25"

ANT-CAK-WEDGE

Antlia Imaging Herschel Wedge with 35mm Prism and 1.25'' Cak 3nm Solar Filter The Antlia Solar Wedge (Herschel Wedge design) replaces the standard...

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Original price CA$481.00 - Original price CA$481.00
Original price
CA$481.00
CA$481.00 - CA$481.00
Current price CA$481.00
Original price CA$55.00 - Original price CA$55.00
Original price
CA$55.00
CA$55.00 - CA$55.00
Current price CA$55.00

Antlia IR Pass 685nm Filter - 1.25"

ANT-IR685
1 in stock

The Antlia IR Pass 685nm filter is an absorptive filter that allows infrared light with wavelengths of more than 685nm to pass through. At these l...

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Original price CA$55.00 - Original price CA$55.00
Original price
CA$55.00
CA$55.00 - CA$55.00
Current price CA$55.00
Original price CA$55.00 - Original price CA$55.00
Original price
CA$55.00
CA$55.00 - CA$55.00
Current price CA$55.00

Antlia IR Pass 850nm Filter - 1.25"

ANT-IR850
1 in stock

The Antlia IR Pass 850nm filter is an absorptive filter that allows infrared light with wavelengths of more than 850nm to pass through. It is a su...

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Original price CA$55.00 - Original price CA$55.00
Original price
CA$55.00
CA$55.00 - CA$55.00
Current price CA$55.00