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MEGA BLACK FRIDAY DEALS //POST CANADA WON'T BE USED UNTIL STRIKE IS SOLVED / Free Shipping for orders over $500* Some exceptions may apply.
MEGA BLACK FRIDAY DEALS //POST CANADA WON'T BE USED UNTIL STRIKE IS SOLVED / Free Shipping for orders over $500* Some exceptions may

antlia

Original price $27.00 - Original price $34.00
Original price $27.00 - Original price $34.00
Original price $27.00
$25.65 - $32.30
$25.65 - $32.30
Current price $25.65

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

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

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Original price $27.00 - Original price $34.00
Original price $27.00 - Original price $34.00
Original price $27.00
$25.65 - $32.30
$25.65 - $32.30
Current price $25.65
Save up to $1.70 Save $0.00
Original price $40.50
Original price $40.50 - Original price $40.50
Original price $40.50
Current price $38.47
$38.47 - $38.47
Current price $38.47

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

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...

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Original price $40.50
Original price $40.50 - Original price $40.50
Original price $40.50
Current price $38.47
$38.47 - $38.47
Current price $38.47
Save $2.03 Save $0.00
Original price $628.00 - Original price $2,390.00
Original price $628.00 - Original price $2,390.00
Original price $628.00
$596.60 - $2,270.50
$596.60 - $2,270.50
Current price $596.60

Antlia 2.5nm SHO Ultra Narrowband Filters 2" Mounted

Antlia 2.5nm SHO Ultra Filter 2" Mounted The Antlia SHO 2.5nm Ultra series filters are made with quartz glass and undergo precisely controlled coat...

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Original price $628.00 - Original price $2,390.00
Original price $628.00 - Original price $2,390.00
Original price $628.00
$596.60 - $2,270.50
$596.60 - $2,270.50
Current price $596.60
Save up to $119.50 Save $0.00
Original price $917.00
Original price $917.00 - Original price $917.00
Original price $917.00
Current price $871.15
$871.15 - $871.15
Current price $871.15

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

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...

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Original price $917.00
Original price $917.00 - Original price $917.00
Original price $917.00
Current price $871.15
$871.15 - $871.15
Current price $871.15
Save $45.85 Save $0.00
Original price $430.00
Original price $430.00 - Original price $430.00
Original price $430.00
Current price $408.50
$408.50 - $408.50
Current price $408.50

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

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...

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Original price $430.00
Original price $430.00 - Original price $430.00
Original price $430.00
Current price $408.50
$408.50 - $408.50
Current price $408.50
Save $21.50 Save $0.00
Original price $400.00 - Original price $450.00
Original price $400.00 - Original price $450.00
Original price $400.00
$380.00 - $427.50
$380.00 - $427.50
Current price $380.00

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

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...

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Original price $400.00 - Original price $450.00
Original price $400.00 - Original price $450.00
Original price $400.00
$380.00 - $427.50
$380.00 - $427.50
Current price $380.00
Save up to $22.50 Save $0.00
Original price $513.00
Original price $513.00 - Original price $513.00
Original price $513.00
Current price $487.35
$487.35 - $487.35
Current price $487.35

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

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-...

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Original price $513.00
Original price $513.00 - Original price $513.00
Original price $513.00
Current price $487.35
$487.35 - $487.35
Current price $487.35
Save $25.65 Save $0.00
Original price $932.00
Original price $932.00 - Original price $932.00
Original price $932.00
Current price $885.40
$885.40 - $885.40
Current price $885.40

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

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 ...

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Original price $932.00
Original price $932.00 - Original price $932.00
Original price $932.00
Current price $885.40
$885.40 - $885.40
Current price $885.40
Save $46.60 Save $0.00
Original price $400.00 - Original price $475.00
Original price $400.00 - Original price $475.00
Original price $400.00
$380.00 - $451.25
$380.00 - $451.25
Current price $380.00

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

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...

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Original price $400.00 - Original price $475.00
Original price $400.00 - Original price $475.00
Original price $400.00
$380.00 - $451.25
$380.00 - $451.25
Current price $380.00
Save up to $23.75 Save $0.00
Original price $472.00
Original price $472.00 - Original price $472.00
Original price $472.00
Current price $448.40
$448.40 - $448.40
Current price $448.40

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

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...

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Original price $472.00
Original price $472.00 - Original price $472.00
Original price $472.00
Current price $448.40
$448.40 - $448.40
Current price $448.40
Save $23.60 Save $0.00
Original price $68.00 - Original price $81.00
Original price $68.00 - Original price $81.00
Original price $68.00
$64.60 - $76.95
$64.60 - $76.95
Current price $64.60

Antlia Barlow for 5Å CaK Solar Discover

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...

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Original price $68.00 - Original price $81.00
Original price $68.00 - Original price $81.00
Original price $68.00
$64.60 - $76.95
$64.60 - $76.95
Current price $64.60
Save up to $4.05 Save $0.00
Original price $358.00
Original price $358.00 - Original price $358.00
Original price $358.00
Current price $340.10
$340.10 - $340.10
Current price $340.10

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

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...

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Original price $358.00
Original price $358.00 - Original price $358.00
Original price $358.00
Current price $340.10
$340.10 - $340.10
Current price $340.10
Save $17.90 Save $0.00
Original price $11.00 - Original price $62.00
Original price $11.00 - Original price $62.00
Original price $11.00
$10.45 - $58.90
$10.45 - $58.90
Current price $10.45

Antlia Filter Drawer and Adapters (Parts Only)

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...

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Original price $11.00 - Original price $62.00
Original price $11.00 - Original price $62.00
Original price $11.00
$10.45 - $58.90
$10.45 - $58.90
Current price $10.45
Save up to $3.10 Save $0.00
Original price $533.00
Original price $533.00 - Original price $533.00
Original price $533.00
Current price $506.35
$506.35 - $506.35
Current price $506.35

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

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...

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Original price $533.00
Original price $533.00 - Original price $533.00
Original price $533.00
Current price $506.35
$506.35 - $506.35
Current price $506.35
Save $26.65 Save $0.00
Original price $131.00
Original price $131.00 - Original price $131.00
Original price $131.00
Current price $124.45
$124.45 - $124.45
Current price $124.45

Antlia H-beta and OIII Filter 1.25″

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 ...

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Original price $131.00
Original price $131.00 - Original price $131.00
Original price $131.00
Current price $124.45
$124.45 - $124.45
Current price $124.45
Save $6.55 Save $0.00
Original price $451.00
Original price $451.00 - Original price $451.00
Original price $451.00
Current price $428.45
$428.45 - $428.45
Current price $428.45

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

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 $451.00
Original price $451.00 - Original price $451.00
Original price $451.00
Current price $428.45
$428.45 - $428.45
Current price $428.45
Save $22.55 Save $0.00
Original price $51.00
Original price $51.00 - Original price $51.00
Original price $51.00
Current price $48.45
$48.45 - $48.45
Current price $48.45

Antlia IR Pass 685nm Planetary 1.25" Filter

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 ...

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Original price $51.00
Original price $51.00 - Original price $51.00
Original price $51.00
Current price $48.45
$48.45 - $48.45
Current price $48.45
Save $2.55 Save $0.00
Original price $51.00
Original price $51.00 - Original price $51.00
Original price $51.00
Current price $48.45
$48.45 - $48.45
Current price $48.45

Antlia IR Pass 850nm Planetary 1.25" Filter

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 ...

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Original price $51.00
Original price $51.00 - Original price $51.00
Original price $51.00
Current price $48.45
$48.45 - $48.45
Current price $48.45
Save $2.55 Save $0.00
Original price $380.00 - Original price $762.00
Original price $380.00 - Original price $762.00
Original price $380.00
$361.00 - $723.90
$361.00 - $723.90
Current price $361.00

Antlia LRGB-V Pro Filters

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...

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Original price $380.00 - Original price $762.00
Original price $380.00 - Original price $762.00
Original price $380.00
$361.00 - $723.90
$361.00 - $723.90
Current price $361.00
Save up to $38.10 Save $0.00
Original price $81.00 - Original price $918.00
Original price $81.00 - Original price $918.00
Original price $81.00
$76.95 - $872.10
$76.95 - $872.10
Current price $76.95

Antlia LRGBR+ Dark series filters

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

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Original price $81.00 - Original price $918.00
Original price $81.00 - Original price $918.00
Original price $81.00
$76.95 - $872.10
$76.95 - $872.10
Current price $76.95
Save up to $45.90 Save $0.00
Original price $485.00
Original price $485.00 - Original price $485.00
Original price $485.00
Current price $460.75
$460.75 - $460.75
Current price $460.75

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

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...

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Original price $485.00
Original price $485.00 - Original price $485.00
Original price $485.00
Current price $460.75
$460.75 - $460.75
Current price $460.75
Save $24.25 Save $0.00
Original price $1,188.00
Original price $1,188.00 - Original price $1,188.00
Original price $1,188.00
Current price $1,128.60
$1,128.60 - $1,128.60
Current price $1,128.60

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

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 ...

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Original price $1,188.00
Original price $1,188.00 - Original price $1,188.00
Original price $1,188.00
Current price $1,128.60
$1,128.60 - $1,128.60
Current price $1,128.60
Save $59.40 Save $0.00
Original price $134.00 - Original price $3,073.00
Original price $134.00 - Original price $3,073.00
Original price $134.00
$127.30 - $2,919.35
$127.30 - $2,919.35
Current price $127.30

Antlia NEW Solar Discover Dualband Energy Rejection Filter (ERF)

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

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Original price $134.00 - Original price $3,073.00
Original price $134.00 - Original price $3,073.00
Original price $134.00
$127.30 - $2,919.35
$127.30 - $2,919.35
Current price $127.30
Save up to $153.65 Save $0.00
Original price $134.00
Original price $134.00 - Original price $134.00
Original price $134.00
Current price $127.30
$127.30 - $127.30
Current price $127.30

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

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...

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Original price $134.00
Original price $134.00 - Original price $134.00
Original price $134.00
Current price $127.30
$127.30 - $127.30
Current price $127.30
Save $6.70 Save $0.00
Original price $201.00
Original price $201.00 - Original price $201.00
Original price $201.00
Current price $190.95
$190.95 - $190.95
Current price $190.95

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

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

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Original price $201.00
Original price $201.00 - Original price $201.00
Original price $201.00
Current price $190.95
$190.95 - $190.95
Current price $190.95
Save $10.05 Save $0.00
Original price $335.00
Original price $335.00 - Original price $335.00
Original price $335.00
Current price $318.25
$318.25 - $318.25
Current price $318.25

Antlia OAG and Filter Drawer Assembly (OAGFD)

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

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Original price $335.00
Original price $335.00 - Original price $335.00
Original price $335.00
Current price $318.25
$318.25 - $318.25
Current price $318.25
Save $16.75 Save $0.00
Original price $460.00
Original price $460.00 - Original price $460.00
Original price $460.00
Current price $437.00
$437.00 - $437.00
Current price $437.00

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

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...

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Original price $460.00
Original price $460.00 - Original price $460.00
Original price $460.00
Current price $437.00
$437.00 - $437.00
Current price $437.00
Sold out
Original price $1,862.00
Original price $1,862.00 - Original price $1,862.00
Original price $1,862.00
Current price $1,768.90
$1,768.90 - $1,768.90
Current price $1,768.90

Antlia Photometric Sloan Filters

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

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Original price $1,862.00
Original price $1,862.00 - Original price $1,862.00
Original price $1,862.00
Current price $1,768.90
$1,768.90 - $1,768.90
Current price $1,768.90
Save $93.10 Save $0.00
Original price $267.00
Original price $267.00 - Original price $267.00
Original price $267.00
Current price $253.65
$253.65 - $253.65
Current price $253.65

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

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...

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Original price $267.00
Original price $267.00 - Original price $267.00
Original price $267.00
Current price $253.65
$253.65 - $253.65
Current price $253.65
Save $13.35 Save $0.00
Original price $339.00 - Original price $2,994.01
Original price $339.00 - Original price $2,994.01
Original price $339.00
$322.05 - $2,844.30
$322.05 - $2,844.30
Current price $322.05

Antlia SHO 3nm Narrowband PRO Filters

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

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Original price $339.00 - Original price $2,994.01
Original price $339.00 - Original price $2,994.01
Original price $339.00
$322.05 - $2,844.30
$322.05 - $2,844.30
Current price $322.05
Save up to $149.71 Save $0.00
Original price $362.00 - Original price $2,085.00
Original price $362.00 - Original price $2,085.00
Original price $362.00
$343.90 - $1,980.75
$343.90 - $1,980.75
Current price $343.90

Antlia SHO 3nm Narrowband PRO Highspeed Filters

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

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Original price $362.00 - Original price $2,085.00
Original price $362.00 - Original price $2,085.00
Original price $362.00
$343.90 - $1,980.75
$343.90 - $1,980.75
Current price $343.90
Save up to $104.25 Save $0.00
Original price $250.00 - Original price $1,425.00
Original price $250.00 - Original price $1,425.00
Original price $250.00
$237.50 - $1,353.75
$237.50 - $1,353.75
Current price $237.50

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

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...

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Original price $250.00 - Original price $1,425.00
Original price $250.00 - Original price $1,425.00
Original price $250.00
$237.50 - $1,353.75
$237.50 - $1,353.75
Current price $237.50
Save up to $71.25 Save $0.00
Original price $213.00 - Original price $639.00
Original price $213.00 - Original price $639.00
Original price $213.00
$202.35 - $607.05
$202.35 - $607.05
Current price $202.35

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

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

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Original price $213.00 - Original price $639.00
Original price $213.00 - Original price $639.00
Original price $213.00
$202.35 - $607.05
$202.35 - $607.05
Current price $202.35
Save up to $31.95 Save $0.00
Original price $240.00
Original price $240.00 - Original price $240.00
Original price $240.00
Current price $228.00
$228.00 - $228.00
Current price $228.00

Antlia Triband RGB II Ultra Filter (RGB-II)

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

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Original price $240.00
Original price $240.00 - Original price $240.00
Original price $240.00
Current price $228.00
$228.00 - $228.00
Current price $228.00
Save $12.00 Save $0.00
Original price $269.00
Original price $269.00 - Original price $269.00
Original price $269.00
Current price $255.55
$255.55 - $255.55
Current price $255.55

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

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...

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Original price $269.00
Original price $269.00 - Original price $269.00
Original price $269.00
Current price $255.55
$255.55 - $255.55
Current price $255.55
Save $13.45 Save $0.00
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