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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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Original price $0.00 - Original price $0.00
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3D Printing Service

Send your design to support@davidastro.com and get a quote in 24h! Bring your ideas to life with our Custom 3D Printing Service! Whether you're ...

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Original price $0.00 - Original price $0.00
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Current price $0.00
Original price $430.00 - Original price $430.00
Original price
$430.00
$430.00 - $430.00
Current price $430.00

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 $430.00 - Original price $430.00
Original price
$430.00
$430.00 - $430.00
Current price $430.00
Sold out
Original price $430.00 - Original price $430.00
Original price
$430.00
$430.00 - $430.00
Current price $430.00

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 $430.00 - Original price $430.00
Original price
$430.00
$430.00 - $430.00
Current price $430.00
Sold out
Original price $430.00 - Original price $430.00
Original price
$430.00
$430.00 - $430.00
Current price $430.00

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 $430.00 - Original price $430.00
Original price
$430.00
$430.00 - $430.00
Current price $430.00
Sold out
Original price $255.00 - Original price $490.00
Original price
$255.00 - $490.00
$255.00 - $490.00
Current price $255.00

Antlia 3nm Narrowband H-alpha Pro Filter

Options available
6 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 $255.00 - Original price $490.00
Original price
$255.00 - $490.00
$255.00 - $490.00
Current price $255.00
Original price $268.00 - Original price $515.00
Original price
$268.00 - $515.00
$268.00 - $515.00
Current price $268.00

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

Options available

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 $268.00 - Original price $515.00
Original price
$268.00 - $515.00
$268.00 - $515.00
Current price $268.00
Original price $255.00 - Original price $490.00
Original price
$255.00 - $490.00
$255.00 - $490.00
Current price $255.00

Antlia 3nm Narrowband OIII Pro Filter

Options available
6 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 $255.00 - Original price $490.00
Original price
$255.00 - $490.00
$255.00 - $490.00
Current price $255.00
Original price $268.00 - Original price $515.00
Original price
$268.00 - $515.00
$268.00 - $515.00
Current price $268.00

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

Options available

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 $268.00 - Original price $515.00
Original price
$268.00 - $515.00
$268.00 - $515.00
Current price $268.00
Original price $255.00 - Original price $490.00
Original price
$255.00 - $490.00
$255.00 - $490.00
Current price $255.00

Antlia 3nm Narrowband SII Pro Filter

Options available
6 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 $255.00 - Original price $490.00
Original price
$255.00 - $490.00
$255.00 - $490.00
Current price $255.00
Original price $273.25 - Original price $525.37
Original price
$273.25 - $525.37
$273.25 - $525.37
Current price $273.25

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

Options available

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 $273.25 - Original price $525.37
Original price
$273.25 - $525.37
$273.25 - $525.37
Current price $273.25
Original price $185.00 - Original price $350.00
Original price
$185.00 - $350.00
$185.00 - $350.00
Current price $185.00

Antlia 4.5nm Narrowband H-alpha Edge Filter

Options available
4 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 $185.00 - Original price $350.00
Original price
$185.00 - $350.00
$185.00 - $350.00
Current price $185.00
Original price $185.00 - Original price $350.00
Original price
$185.00 - $350.00
$185.00 - $350.00
Current price $185.00

Antlia 4.5nm Narrowband OIII Edge Filter

Options available
3 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 $185.00 - Original price $350.00
Original price
$185.00 - $350.00
$185.00 - $350.00
Current price $185.00
Original price $185.00 - Original price $350.00
Original price
$185.00 - $350.00
$185.00 - $350.00
Current price $185.00

Antlia 4.5nm Narrowband SII Edge Filter

Options available
3 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 $185.00 - Original price $350.00
Original price
$185.00 - $350.00
$185.00 - $350.00
Current price $185.00
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
2 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 $710.00 - Original price $710.00
Original price
$710.00
$710.00 - $710.00
Current price $710.00

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 $710.00 - Original price $710.00
Original price
$710.00
$710.00 - $710.00
Current price $710.00
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 $690.00 - Original price $690.00
Original price
$690.00
$690.00 - $690.00
Current price $690.00

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

ANT-ALP-T-SET

Original price $690.00 - Original price $690.00
Original price
$690.00
$690.00 - $690.00
Current price $690.00
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 $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
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 $380.00 - Original price $380.00
Original price
$380.00
$380.00 - $380.00
Current price $380.00
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 $169.00 - Original price $169.00
Original price
$169.00
$169.00 - $169.00
Current price $169.00

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 $169.00 - Original price $169.00
Original price
$169.00
$169.00 - $169.00
Current price $169.00
Original price $99.00 - Original price $99.00
Original price
$99.00
$99.00 - $99.00
Current price $99.00

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 $99.00 - Original price $99.00
Original price
$99.00
$99.00 - $99.00
Current price $99.00
Original price $339.00 - Original price $339.00
Original price
$339.00
$339.00 - $339.00
Current price $339.00

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 $339.00 - Original price $339.00
Original price
$339.00
$339.00 - $339.00
Current price $339.00
Original price $39.00 - Original price $39.00
Original price
$39.00
$39.00 - $39.00
Current price $39.00

Antlia IR Pass 685nm Filter - 1.25"

ANT-IR685

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 $39.00 - Original price $39.00
Original price
$39.00
$39.00 - $39.00
Current price $39.00