Skip to content
We wish you Happy Holidays! / Check our Holidays Schedule. Order fulfillment may be a bit delayed during Holidays Vacations./ Free Shipping for orders over $500* Some exceptions may apply.
We wish you Happy Holidays! / Check our Holidays Schedule. Order fulfillment may be a bit delayed during Holidays Vacations./ Free Shipping for orders over $500* Some exceptions may apply.

Antlia Filters

Antlia Filters is a renowned company for astronomical filters. They make high quality filters and specializes in providing a series of premium 3nm/4.5nm/7nm H-alpha, SII, and OIII narrowband imaging filters, LRGB-V filters, dual-band filters, OAG, H-beta-OIII visual filter, filter drawers, adapters, holders, and related astronomy accessories for deep-sky photography enthusiasts all around the world.

Original price $267.00 - Original price $267.00
Original price
$267.00
$267.00 - $267.00
Current price $267.00

Antlia Quad Band Anti-Light Pollution Filter 2" Mounted (QUAD-2)

Antlia

Antlia Quad Band Anti-Light Pollution Filter 2" Mounted The Antlia Quad Band Anti-Light Pollution Filter is a light suppression filter for color an...

View full details
Original price $267.00 - Original price $267.00
Original price
$267.00
$267.00 - $267.00
Current price $267.00
Original price $339.00 - Original price $2,994.01
Original price
$339.00 - $2,994.01
$339.00 - $2,994.01
Current price $339.00

Antlia SHO 3nm Narrowband PRO Filters

Antlia

Antlia SHO 3nm Narrowband Pro Filters Antlia SHO Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nm bandpass. As the bandwid...

View full details
Original price $339.00 - Original price $2,994.01
Original price
$339.00 - $2,994.01
$339.00 - $2,994.01
Current price $339.00
Original price $380.00 - Original price $762.00
Original price
$380.00 - $762.00
$380.00 - $762.00
Current price $380.00

Antlia LRGB-V Pro Filters

Antlia

Antlia LRGB-V Pro Filters The Antlia LRGB-V Pro series filters are designed for monochrome cameras that use both CCD and CMOS sensors. Suitable sen...

View full details
Original price $380.00 - Original price $762.00
Original price
$380.00 - $762.00
$380.00 - $762.00
Current price $380.00
Original price $430.00 - Original price $513.00
Original price
$430.00 - $513.00
$430.00 - $513.00
Current price $430.00

Antlia ALP-T Dual Band 5nm Ha & OIII "Gold" Filter

Antlia

Antlia ALP-T Dual Band 5nm Ha&OIII Filter ***** Antlia FAMOUS filter known as Gold Filter! ***** The Antlia ALP-T dual band 5nm filter is a dua...

View full details
Original price $430.00 - Original price $513.00
Original price
$430.00 - $513.00
$430.00 - $513.00
Current price $430.00
Original price $466.00
Original price $466.00 - Original price $466.00
Original price $466.00
Current price $430.00
$430.00 - $430.00
Current price $430.00

Antlia ALP-T 2" Dual Band 5nm SII & Hb Filter

Antlia

Antlia ALP-T Dual Band 5nm SII&Hb Filter The ALP-T dual band 5nm SII&Hb filter is a dual line-pass filter, which lets the deep red Sulfur-I...

View full details
Original price $466.00
Original price $466.00 - Original price $466.00
Original price $466.00
Current price $430.00
$430.00 - $430.00
Current price $430.00
Save $36.00 Save $0.00
Original price $250.00 - Original price $1,425.00
Original price
$250.00 - $1,425.00
$250.00 - $1,425.00
Current price $250.00

Antlia SHO 4.5nm Narrowband EDGE Filters (SHO-EDGE)

Antlia

Antlia SHO 4.5nm Narrowband EDGE Filters Antlia SHO EDGE narrowband filter optimizes the FWHM (full width half maximum) to 4.5nm bandpass. The supp...

View full details
Original price $250.00 - Original price $1,425.00
Original price
$250.00 - $1,425.00
$250.00 - $1,425.00
Current price $250.00
Original price $240.00 - Original price $240.00
Original price
$240.00
$240.00 - $240.00
Current price $240.00

Antlia Triband RGB II Ultra Filter (RGB-II)

Antlia

Antlia Triband RGB II Ultra Filter It is designed for light pollution suppression for OSC and Mono cameras. The spectral design selected the most...

View full details
Original price $240.00 - Original price $240.00
Original price
$240.00
$240.00 - $240.00
Current price $240.00
Original price $11.00 - Original price $62.00
Original price
$11.00 - $62.00
$11.00 - $62.00
Current price $11.00

Antlia Filter Drawer and Adapters (Parts Only)

Antlia

Antlia Filter Drawer and Adapters Please note: If you want to buy it as a kit, I suggest looking into this product. Click Here The filter drawer sy...

View full details
Original price $11.00 - Original price $62.00
Original price
$11.00 - $62.00
$11.00 - $62.00
Current price $11.00
Original price $400.00 - Original price $475.00
Original price
$400.00 - $475.00
$400.00 - $475.00
Current price $400.00

Antlia ALP-T Dual Band Ha+OIII 5nm Highspeed Filter

Antlia

Antlia ALP-T Dual Band Ha+OIII 5nm Highspeed Filter ALP-T Dual Band 5nm Highspeed Filters are further optimized to work with high-speed imaging sys...

View full details
Original price $400.00 - Original price $475.00
Original price
$400.00 - $475.00
$400.00 - $475.00
Current price $400.00
Original price $335.00 - Original price $335.00
Original price
$335.00
$335.00 - $335.00
Current price $335.00

Antlia OAG and Filter Drawer Assembly (OAGFD)

Antlia

Antlia OAG and Filter Drawer Assembly OAG means Off-Axis Guider. Antlia OAG and filter drawer assembly is an innovative accessory that integrates...

View full details
Original price $335.00 - Original price $335.00
Original price
$335.00
$335.00 - $335.00
Current price $335.00
Original price $362.00 - Original price $2,085.00
Original price
$362.00 - $2,085.00
$362.00 - $2,085.00
Current price $362.00

Antlia SHO 3nm Narrowband PRO Highspeed Filters

Antlia

Antlia SHO 3nm Narrowband PRO Highspeed Filters Antlia's SHO 3nm Pro Highspeed Filters are further optimized for high-speed imaging systems by pre-...

View full details
Original price $362.00 - Original price $2,085.00
Original price
$362.00 - $2,085.00
$362.00 - $2,085.00
Current price $362.00
Original price $628.00 - Original price $2,390.00
Original price
$628.00 - $2,390.00
$628.00 - $2,390.00
Current price $628.00

Antlia 2.5nm SHO Ultra Narrowband Filters 2’’ & 36mm

Antlia

Antlia 2.5nm SHO Ultra Filter 2’’ & 36mm The Antlia SHO 2.5nm Ultra series filters are made with quartz glass and undergo precisely controlled ...

View full details
Original price $628.00 - Original price $2,390.00
Original price
$628.00 - $2,390.00
$628.00 - $2,390.00
Current price $628.00
Original price $917.00 - Original price $917.00
Original price
$917.00
$917.00 - $917.00
Current price $917.00

Antlia ALP-T 2" Dual Band 5nm Ha+OIII and SII+Hb Filters Package

Antlia

Antlia ALP-T Dual Band 5nm Ha+OIII and SII+Hb Filters Package The Antlia ALP-T dual band 5nm filter is a dual line-pass filter which was designed t...

View full details
Original price $917.00 - Original price $917.00
Original price
$917.00
$917.00 - $917.00
Current price $917.00
Original price $51.00 - Original price $51.00
Original price
$51.00
$51.00 - $51.00
Current price $51.00

Antlia IR Pass 685nm Planetary 1.25" Filter

Antlia

Antlia IR Pass 685nm planetary 1.25" filter The Antlia IR Pass 685nm filter is an absorptive filter that allows infrared light with wavelengths of ...

View full details
Original price $51.00 - Original price $51.00
Original price
$51.00
$51.00 - $51.00
Current price $51.00
Original price $131.00 - Original price $131.00
Original price
$131.00
$131.00 - $131.00
Current price $131.00

Antlia H-beta and OIII Filter 1.25″

Antlia

Antlia H-beta and OIII Filter – 1.25″ Antlia HB-OIII filter is engineered specifically for night visual nebulae observation at a high contrast and ...

View full details
Original price $131.00 - Original price $131.00
Original price
$131.00
$131.00 - $131.00
Current price $131.00
Original price $932.00 - Original price $932.00
Original price
$932.00
$932.00 - $932.00
Current price $932.00

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

Antlia

Antlia ALP-T Dual Band Ha&OIII 3nm + SII&Hb 3.5nm 2" Filter Set Ha&OIII 3nm The Antlia ALP-T Dualband 3nm Ha&OIII Filter is a dual ...

View full details
Original price $932.00 - Original price $932.00
Original price
$932.00
$932.00 - $932.00
Current price $932.00
Original price $513.00 - Original price $513.00
Original price
$513.00
$513.00 - $513.00
Current price $513.00

Antlia ALP-T Dual Band Ha & OIII 3nm 2" Filter

Antlia

Antlia ALP-T Dualband 3nm Ha + OIII 2'' Filters The Antlia ALP-T Dualband 3nm Ha&OIII Filter is a dual narrowband filter, which lets the red H-...

View full details
Original price $513.00 - Original price $513.00
Original price
$513.00
$513.00 - $513.00
Current price $513.00
Original price $213.00 - Original price $639.00
Original price
$213.00 - $639.00
$213.00 - $639.00
Current price $213.00

Antlia SHO 7nm Narrowband Prime Filters 36mm (SHO-PRIME)

Antlia

Antlia SHO 7nm Prime Narrowband Pro Filters Antlia SHO Prime narrowband filter optimizes the FWHM (full width half maximum) to 7nm bandpass. The su...

View full details
Original price $213.00 - Original price $639.00
Original price
$213.00 - $639.00
$213.00 - $639.00
Current price $213.00
Original price $472.00 - Original price $472.00
Original price
$472.00
$472.00 - $472.00
Current price $472.00

Antlia ALP-T Dual Band SII & Hb 3.5nm 2'' Filter

Antlia

Antlia ALP-T Dual band 3.5nm SII&Hb 2'' Filter Product Details The ALP-T dual band 3.5nm SII&Hb filter is a dual narrowband filter, w...

View full details
Original price $472.00 - Original price $472.00
Original price
$472.00
$472.00 - $472.00
Current price $472.00
Original price $134.00 - Original price $3,073.00
Original price
$134.00 - $3,073.00
$134.00 - $3,073.00
Current price $134.00

Antlia NEW Solar Discover Dualband Energy Rejection Filter (ERF)

Antlia

Antlia NEW Solar Discover Dualband Energy Rejection Filter (ERF) The Antlia Dualband Solar Energy Rejection Filter is designed by combining Hydroge...

View full details
Original price $134.00 - Original price $3,073.00
Original price
$134.00 - $3,073.00
$134.00 - $3,073.00
Current price $134.00
Original price $134.00 - Original price $134.00
Original price
$134.00
$134.00 - $134.00
Current price $134.00

Antlia NEW Solar Discover Dualband(Ha, CaK and CaH) - Mini (SD-DUAL-MINI)

Antlia

Antlia NEW Solar Discover Dualband(Ha, CaK and CaH) - Mini The Antlia Solar Discover Dualband (Ha, CaK, and CaH) filter assembly comes in both stan...

View full details
Original price $134.00 - Original price $134.00
Original price
$134.00
$134.00 - $134.00
Current price $134.00
Original price $68.00 - Original price $81.00
Original price
$68.00 - $81.00
$68.00 - $81.00
Current price $68.00

Antlia Barlow for 5Å CaK Solar Discover

Antlia

Antlia Barlow for 5Å CaK Solar Discover The discover form factor offers a compelling and flexible alternative to the Wedge. Here we have the abilit...

View full details
Original price $68.00 - Original price $81.00
Original price
$68.00 - $81.00
$68.00 - $81.00
Current price $68.00
Original price $40.50 - Original price $40.50
Original price
$40.50
$40.50 - $40.50
Current price $40.50

Antlia 2" Filter Slider for OAG and Drawer (OAG-B-M48)

Antlia

Antlia 2" Filter Slider for OAG and Drawer This is an extra 2" mounted filter slider to be used with the Antlia OAG and Filter Drawer Assembly. Hol...

View full details
Original price $40.50 - Original price $40.50
Original price
$40.50
$40.50 - $40.50
Current price $40.50
Original price $525.00
Original price $525.00 - Original price $525.00
Original price $525.00
Current price $460.00
$460.00 - $460.00
Current price $460.00

Antlia OIII 3nm Narrowband PRO 2" Filter-OPEN BOX

Antlia

Antlia OIII 3nm Narrowband Pro Filters OPEN BOX, LIKE NEW Antlia SHO Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nm band...

View full details
Original price $525.00
Original price $525.00 - Original price $525.00
Original price $525.00
Current price $460.00
$460.00 - $460.00
Current price $460.00
Sold out
Original price $81.00 - Original price $918.00
Original price
$81.00 - $918.00
$81.00 - $918.00
Current price $81.00

Antlia LRGBR+ Dark series filters

Antlia

Antlia LRGBR+ Dark series filters The Antlia LRGBR+ Dark series filters are designed with a full spectrum curve from 390nm to 1000nm, making it...

View full details
Original price $81.00 - Original price $918.00
Original price
$81.00 - $918.00
$81.00 - $918.00
Current price $81.00
Original price $451.00 - Original price $451.00
Original price
$451.00
$451.00 - $451.00
Current price $451.00

Antlia Imaging Herschel Wedge with 35mm Prism and 1.25'' Cak 3nm Solar Filter

Antlia

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

View full details
Original price $451.00 - Original price $451.00
Original price
$451.00
$451.00 - $451.00
Current price $451.00
Original price $51.00 - Original price $51.00
Original price
$51.00
$51.00 - $51.00
Current price $51.00

Antlia IR Pass 850nm Planetary 1.25" Filter

Antlia

Antlia IR Pass 850nm planetary 1.25" filter The Antlia IR Pass 850nm filter is an absorptive filter that allows infrared light with wavelengths of ...

View full details
Original price $51.00 - Original price $51.00
Original price
$51.00
$51.00 - $51.00
Current price $51.00
Original price $358.00 - Original price $358.00
Original price
$358.00
$358.00 - $358.00
Current price $358.00

Antlia CaK 3nm 393.3nm filter - 1.25'' Mounted (CAK-1.25)

Antlia

Antlia CaK 3nm 393.3nm filter The Antlia Solar Wedge prism and internal CaK solar filter are made of heat resistant double-polished substrate. Antl...

View full details
Original price $358.00 - Original price $358.00
Original price
$358.00
$358.00 - $358.00
Current price $358.00
Original price $533.00 - Original price $533.00
Original price
$533.00
$533.00 - $533.00
Current price $533.00

Antlia H-Beta 3nm Narrowband Pro 2'' Filter (HB-PRO-2)

Antlia

Antlia H-Beta 3nm Narrowband Pro 2'' Filter The Antlia H-Beta Pro narrowband filter optimizes the full width at half maximum (FWHM) to a 3nm ba...

View full details
Original price $533.00 - Original price $533.00
Original price
$533.00
$533.00 - $533.00
Current price $533.00
Original price $269.00 - Original price $269.00
Original price
$269.00
$269.00 - $269.00
Current price $269.00

Antlia U-Venus Imaging Filter - 1.25'' (UVENUS)

Antlia

Antlia U-Venus Imaging Filter - 1.25'' Antlia Venus-U filter is designed for imaging the cloud structure of Venus and Jupiter with CCD cameras on a...

View full details
Original price $269.00 - Original price $269.00
Original price
$269.00
$269.00 - $269.00
Current price $269.00
Original price $27.00 - Original price $34.00
Original price
$27.00 - $34.00
$27.00 - $34.00
Current price $27.00

Antlia 2" Extension tube for 5Å CaK Solar Discover Assembly

Antlia

Antlia 2" Extension tube for 5Å CaK Solar Discover Assembly This 2" extension tube allows you to achieve additional back focus, if needed, w...

View full details
Original price $27.00 - Original price $34.00
Original price
$27.00 - $34.00
$27.00 - $34.00
Current price $27.00
Original price $201.00 - Original price $201.00
Original price
$201.00
$201.00 - $201.00
Current price $201.00

Antlia NEW Solar Discover Dualband(Ha, CaK and CaH) - Standard (SD-DUAL-STD)

Antlia

Antlia NEW Solar Discover Dualband(Ha, CaK and CaH) - Standard The Antlia Solar Discover Dualband (Ha, CaK, and CaH) filter assembly comes in both ...

View full details
Original price $201.00 - Original price $201.00
Original price
$201.00
$201.00 - $201.00
Current price $201.00
Original price $1,188.00 - Original price $1,188.00
Original price
$1,188.00
$1,188.00 - $1,188.00
Current price $1,188.00

Antlia New Solar Discover 5Å CaK filter (SD-CAK5)

Antlia

Antlia New Solar Discover 5Å CaK filter (SD-CAK5) The Antlia Solar Discover 5Å CaK assembly incorporates a set of light-reducing filters to reduce ...

View full details
Original price $1,188.00 - Original price $1,188.00
Original price
$1,188.00
$1,188.00 - $1,188.00
Current price $1,188.00
Original price $485.00 - Original price $485.00
Original price
$485.00
$485.00 - $485.00
Current price $485.00

Antlia NEW Solar Discover 3nm CaK filter (SD-CAK3)

Antlia

Antlia New Solar Discover 3nm CaK filter Telescope-side connection is 1.25" and 2" Camera side connection is 2" with ring clamp Transmission at 3...

View full details
Original price $485.00 - Original price $485.00
Original price
$485.00
$485.00 - $485.00
Current price $485.00
Original price $1,862.00 - Original price $1,862.00
Original price
$1,862.00
$1,862.00 - $1,862.00
Current price $1,862.00

Antlia Photometric Sloan Filters

Antlia

Antlia Photometric Sloan Filters The Sloan Digital Sky Survery (SDSS) photometric system is the most common filter set used by observatory today. A...

View full details
Original price $1,862.00 - Original price $1,862.00
Original price
$1,862.00
$1,862.00 - $1,862.00
Current price $1,862.00
Free Shipping

in Canada over 500$+* bf txs

Buy Now, Pay Later

Paybright and Sezzle at Check Out

Target the Right Equipment

Contact us!

Price Match

Find a Better Price? We Will Match it!

Sign Up to Astronomy Plus Newsletters

Subscribe to our Newsletter to be the first to be inform about Promotions, New Products and More!