Skip to content

Filters

An astronomical filter is a telescope accessory consisting of an optical filter used by amateur astronomers to simply improve details and contrast.
Original price $174.00
Original price $174.00 - Original price $174.00
Original price $174.00
Current price $110.00
$110.00 - $110.00
Current price $110.00

Celestron 2" UHC/LPR Filter - USED (94124-U)

Celestron

Celestron 2" UHC/LPR Filter - USED In excellent condition Our 2" Light Pollution Reduction (LPR) Filters are designed to selectively reduce the tra...

View full details
Original price $174.00
Original price $174.00 - Original price $174.00
Original price $174.00
Current price $110.00
$110.00 - $110.00
Current price $110.00
Save $64.00 Save $0.00
Original price $405.00 - Original price $405.00
Original price
$405.00
$405.00 - $405.00
Current price $405.00

Touptek Astro PureSight A1 2inch 5nm Dual Narrowband Filter

Touptek

Touptek Astro 2inch Dual Narrowband Filter ToupTek Astro PureSight A1 Hα & OIII Dual Narrowband Filter is designed for deep-sky astrophotograph...

View full details
Original price $405.00 - Original price $405.00
Original price
$405.00
$405.00 - $405.00
Current price $405.00
Original price $1,091.00
Original price $1,091.00 - Original price $1,091.00
Original price $1,091.00
Current price $850.00
$850.00 - $850.00
Current price $850.00

Lunt LS40FHa Solar Filter (LS40FHa) – Previous Generation Sale

Lunt

Lunt 40mm Front Mounted Double Stack Filter - Previous Generation Sale It’s finally available! The Lunt Solar 40mm Double Stack Hydrogen-alpha Fil...

View full details
Original price $1,091.00
Original price $1,091.00 - Original price $1,091.00
Original price $1,091.00
Current price $850.00
$850.00 - $850.00
Current price $850.00
Save $241.00 Save $0.00
Original price $804.00 - Original price $804.00
Original price
$804.00
$804.00 - $804.00
Current price $804.00

Shelyak Optical Kit for SUNSCAN Spectroheliograph (ES0035)

Shelyak

Shelyak Optical kit for SUNSCAN spectroheliograph by STAROS Projects This optical kit allows you to create a SUNSCAN by STAROS Projects, the descri...

View full details
Original price $804.00 - Original price $804.00
Original price
$804.00
$804.00 - $804.00
Current price $804.00
Original price $251.00 - Original price $713.00
Original price
$251.00 - $713.00
$251.00 - $713.00
Current price $251.00

Touptek SHO 6.5nm Filters for Astrophotography

Touptek

Touptek SHO 6.5nm Filters for Astrophotography Narrowband filters are essential accessories in astrophotography used to isolate specific wavelength...

View full details
Original price $251.00 - Original price $713.00
Original price
$251.00 - $713.00
$251.00 - $713.00
Current price $251.00
Original price $251.00 - Original price $839.00
Original price
$251.00 - $839.00
$251.00 - $839.00
Current price $251.00

Touptek SHO 4nm Filters for Astrophotography

Touptek

Touptek SHO 4nm Filters for Astrophotography Narrowband filters are essential accessories in astrophotography used to isolate specific wavelength e...

View full details
Original price $251.00 - Original price $839.00
Original price
$251.00 - $839.00
$251.00 - $839.00
Current price $251.00
Original price $28.00 - Original price $35.00
Original price $28.00 - Original price $35.00
Original price $28.00
$15.00 - $30.00
$15.00 - $30.00
Current price $15.00

Astronomy Plus UV/IR Filter - USED (UVIR-U)

Astronomy Plus

Astronomy Plus UV/IR Filter - USED A UV/IR cut filter is a valuable addition to any astrophotography setup because modern digital sensors are sensi...

View full details
Original price $28.00 - Original price $35.00
Original price $28.00 - Original price $35.00
Original price $28.00
$15.00 - $30.00
$15.00 - $30.00
Current price $15.00
Save up to $13.00 Save $0.00
Original price $561.00 - Original price $561.00
Original price
$561.00
$561.00 - $561.00
Current price $561.00

Antlia NII 3nm Pro Narrowband Filter - 2" (NII-2)

Antlia

Antlia NII Pro 3nm Filter – Maximum Narrowband Performance The Antlia NII Pro 3nm filter is engineered to deliver exceptional performance in narrow...

View full details
Original price $561.00 - Original price $561.00
Original price
$561.00
$561.00 - $561.00
Current price $561.00
Original price $169.00 - Original price $169.00
Original price
$169.00
$169.00 - $169.00
Current price $169.00

Antlia 8-EL UHC Pro Visual Enhancer Filter - 2'' Mounted

Antlia

Antlia 8-EL UHC Pro Visual Enhancer Filter - 2'' Mounted The Antlia 8-EL UHC Pro Visual Enhancer filter is a high--performance optical filter desig...

View full details
Original price $169.00 - Original price $169.00
Original price
$169.00
$169.00 - $169.00
Current price $169.00
Original price $999.00 - Original price $999.00
Original price
$999.00
$999.00 - $999.00
Current price $999.00

Chroma 3nm OIII Filter Optimized for f/2.8-f/3.6 OLDER MODEL - USED (27066-U)

Chroma

Chroma 3nm OIII Filter Optimized for f/2.8-f/3.6 - USED (OLDER MODEL) Chroma’s OIII filters isolate the 500.7nm primary emission line of doubly ion...

View full details
Original price $999.00 - Original price $999.00
Original price
$999.00
$999.00 - $999.00
Current price $999.00
Original price $795.00 - Original price $795.00
Original price
$795.00
$795.00 - $795.00
Current price $795.00

Optolong L2 Dual-Combo Set (L-eXtreme&L-Synergy) (2")

Optolong

Optolong L2 Dual-Combo Set (L-eXtreme&L-Synergy)   L2 Dual-Combo Set includes two premium filters: one L-eXtreme and one L-Synergy. L-eXtreme:T...

View full details
Original price $795.00 - Original price $795.00
Original price
$795.00
$795.00 - $795.00
Current price $795.00
Original price $475.00 - Original price $587.00
Original price
$475.00 - $587.00
$475.00 - $587.00
Current price $475.00

Optolong Hydrogen Alpha Narrowband 3nm

Optolong

Optolong Hydrogen Alpha Narrowband 3nm   Original manufacturer description below. Improved description/specifications coming soon. H-Alpha 3nm fil...

View full details
Original price $475.00 - Original price $587.00
Original price
$475.00 - $587.00
$475.00 - $587.00
Current price $475.00
Original price $235.00 - Original price $405.00
Original price
$235.00 - $405.00
$235.00 - $405.00
Current price $235.00

SVBONY SV220 7nm Dual Narrowband Filter Set "Hubble Palette"

Svbony

SVBONY SV220 7nm Dual Narrowband Filter Set "Hubble Palette" Gear for Deep-Sky Photography Features dual Ha&OIII and SII&OIII filters cov...

View full details
Original price $235.00 - Original price $405.00
Original price
$235.00 - $405.00
$235.00 - $405.00
Current price $235.00
Original price $450.00
Original price $450.00 - Original price $450.00
Original price $450.00
Current price $170.00
$170.00 - $170.00
Current price $170.00

Lumicon 2 Inch SCT Rear Cell Hydrogen-β Filter (LF3065)

Lumicon

Lumicon 2 Inch SCT Rear Cell Hydrogen-β Filter FINAL SALE! Lumicon 2 Inch SCT Rear Cell Hydrogen-Beta Filter is also known as the Horsehead Nebula...

View full details
Original price $450.00
Original price $450.00 - Original price $450.00
Original price $450.00
Current price $170.00
$170.00 - $170.00
Current price $170.00
Save $280.00 Save $0.00
Original price $307.00 - Original price $307.00
Original price
$307.00
$307.00 - $307.00
Current price $307.00

iOptron LRGB Imaging Filter Kit -1.25" (3383-LRGB)

iOptron

iOptron LRGB Imaging Filter Kit -1.25" The LRGB filter set is designed for maximum contrast and has extremely high gradients for clear differenti...

View full details
Original price $307.00 - Original price $307.00
Original price
$307.00
$307.00 - $307.00
Current price $307.00
Original price $279.00 - Original price $279.00
Original price
$279.00
$279.00 - $279.00
Current price $279.00

iOptron iEFW 5-Position Electronic Filter Wheel (3381)

iOptron

iOptron iEFW 5-Position Electronic Filter Wheel The iOptron iEFW-15 Electronic Filter Wheel provides automated control of up to 5 filters. It works...

View full details
Original price $279.00 - Original price $279.00
Original price
$279.00
$279.00 - $279.00
Current price $279.00
Original price $557.00 - Original price $557.00
Original price
$557.00
$557.00 - $557.00
Current price $557.00

Optolong L1 L-Quad & L-Para Enhence Filter Set (L1-SET)

Optolong

Optolong L1 L-Quad & L-Para Enhence Filter Set L1 Dual -Combo Set includes:one L-Quad Enhance Filter and one L-Para L-Quad Enhance Filter:Quad ...

View full details
Original price $557.00 - Original price $557.00
Original price
$557.00
$557.00 - $557.00
Current price $557.00
Original price $7.00 - Original price $13.00
Original price
$7.00 - $13.00
$7.00 - $13.00
Current price $7.00

Wanderer Astro ND Filter for WandererCover

Wanderer Astro

Wanderer Astro ND Filter for WandererCover  Extends the exposure time by 32 times The ND filter for WandererCover is designed specifically for user...

View full details
Original price $7.00 - Original price $13.00
Original price
$7.00 - $13.00
$7.00 - $13.00
Current price $7.00
Original price $859.00 - Original price $1,679.00
Original price
$859.00 - $1,679.00
$859.00 - $1,679.00
Current price $859.00

Askar Colour Magic Ultra E1 & E2 Duo Narrowband Filter

Askar

Askar Colour Magic Ultra E1 & E2 Duo Narrowband Filter Askar newly launched ColourMagic Ultra E1 2” Duo-narrowband Filter, is a professional as...

View full details
Original price $859.00 - Original price $1,679.00
Original price
$859.00 - $1,679.00
$859.00 - $1,679.00
Current price $859.00
Original price $731.00 - Original price $2,040.00
Original price
$731.00 - $2,040.00
$731.00 - $2,040.00
Current price $731.00

Astronomy Plus Energy Rejection Filters W. Metal Cover

Astronomy Plus

Astronomy Plus Energy Rejection Filters Suitable for Quark with refracting and reflecting telescope to observe and photograph the solar prominence ...

View full details
Original price $731.00 - Original price $2,040.00
Original price
$731.00 - $2,040.00
$731.00 - $2,040.00
Current price $731.00
Original price $86.00 - Original price $86.00
Original price
$86.00
$86.00 - $86.00
Current price $86.00

Explore Scientific Neutral Density Filter 2" ND 0.9 (310240)

Explore Scientific

Explore Scientific Neutral Density Filter 2" ND 0.9   The neutral density filter transmits light uniformly across the entire visual spectrum. It se...

View full details
Original price $86.00 - Original price $86.00
Original price
$86.00
$86.00 - $86.00
Current price $86.00
Sold out
Original price $1,065.00 - Original price $1,065.00
Original price
$1,065.00
$1,065.00 - $1,065.00
Current price $1,065.00

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

Antlia

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

View full details
Original price $1,065.00 - Original price $1,065.00
Original price
$1,065.00
$1,065.00 - $1,065.00
Current price $1,065.00
Original price $1,673.00 - Original price $1,673.00
Original price
$1,673.00
$1,673.00 - $1,673.00
Current price $1,673.00

Daystar Combo Quark Accessories Bundle (Q-BUNDLE)

Daystar

Daystar Combo Quark Accessories Bundle Daystar Filters is excited to announce a brand new Quark optimized accessory series designed to fit our clas...

View full details
Original price $1,673.00 - Original price $1,673.00
Original price
$1,673.00
$1,673.00 - $1,673.00
Current price $1,673.00
Original price $20.00 - Original price $27.00
Original price
$20.00 - $27.00
$20.00 - $27.00
Current price $20.00

Astronomik Filter Holder

Astronomik

Astronomik Filter Holder This empty Astronomik filter holder with a knurled edge allows you to mount your own filter glass or replace damaged holde...

View full details
Original price $20.00 - Original price $27.00
Original price
$20.00 - $27.00
$20.00 - $27.00
Current price $20.00
Original price $260.00 - Original price $260.00
Original price
$260.00
$260.00 - $260.00
Current price $260.00

Explore Scientific Nebula Filter H-Beta 2.0-inch (310230)

Explore Scientific

Explore Scientific Nebula Filter H-Beta 2.0-inch   Explore Scientific Nebula Filter 1.25" H-Beta Range from 478nm to 496nm with peak at 489nm. Tran...

View full details
Original price $260.00 - Original price $260.00
Original price
$260.00
$260.00 - $260.00
Current price $260.00
Sold out
Original price $176.00 - Original price $176.00
Original price
$176.00
$176.00 - $176.00
Current price $176.00

Explore Scientific Nebula Filter CLS 2.0-inch (310220)

Explore Scientific

Explore Scientific Nebula Filter CLS 2.0-inch   Explore Scientific Nebula Filter 1.25" CLS Range from 436nm to 536nm with peak at 488nm. Transmissi...

View full details
Original price $176.00 - Original price $176.00
Original price
$176.00
$176.00 - $176.00
Current price $176.00
Sold out
Original price $196.00 - Original price $196.00
Original price
$196.00
$196.00 - $196.00
Current price $196.00

Explore Scientific Nebula Filter Oxygen III 2.0-inch (310200)

Explore Scientific

Explore Scientific Nebula Filter Oxygen III 2.0-inch   Explore Scientific Nebula Filter 1.25" O-III Range from 483nm to 511nm with peak at 496nm. T...

View full details
Original price $196.00 - Original price $196.00
Original price
$196.00
$196.00 - $196.00
Current price $196.00
Original price $72.00 - Original price $72.00
Original price
$72.00
$72.00 - $72.00
Current price $72.00

Explore Scientific Neutral Density Filter 1.25" ND 0.9 (310245)

Explore Scientific

Explore Scientific Neutral Density Filter 1.25" ND 0.9 The neutral density filter transmits light uniformly across the entire visual spectrum. It s...

View full details
Original price $72.00 - Original price $72.00
Original price
$72.00
$72.00 - $72.00
Current price $72.00
Sold out
Original price $419.00
Original price $207.00 - Original price $419.00
Original price $419.00
$207.00 - $390.00
$207.00 - $390.00
Current price $207.00

Player One LRGB Filter S-series

Player One

Player One LRGB Filter S-series Player One S-series filter using high quality optical glass substrate and multi-layer composite coating technology,...

View full details
Original price $419.00
Original price $207.00 - Original price $419.00
Original price $419.00
$207.00 - $390.00
$207.00 - $390.00
Current price $207.00
Save up to $29.00 Save $0.00
Original price $560.90 - Original price $560.90
Original price
$560.90
$560.90 - $560.90
Current price $560.90

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 $560.90 - Original price $560.90
Original price
$560.90
$560.90 - $560.90
Current price $560.90
Original price $116.00 - Original price $232.00
Original price
$116.00 - $232.00
$116.00 - $232.00
Current price $116.00

Baader C2 Swan-Band Filter (15nm) – OIII Parallel (FSWAN)

Baader Planetarium

Baader C2 Swan-Band Filter (15nm) – OIII Parallel   Comet filter for the two brightest C2 emission lines at 511 and 514nm (called "Swan-Band") in ...

View full details
Original price $116.00 - Original price $232.00
Original price
$116.00 - $232.00
$116.00 - $232.00
Current price $116.00
Original price $130.00 - Original price $241.00
Original price
$130.00 - $241.00
$130.00 - $241.00
Current price $130.00

Baader O-III Super-G Filter (9nm) - CMOS Optimized (FOIIISG)

Baader Planetarium

Baader O-III Super-G Filter (9nm) - CMOS Optimized   O-III Super-G filter with 9 nm FWHM and a maximum transmission of 97%.For visual and photogra...

View full details
Original price $130.00 - Original price $241.00
Original price
$130.00 - $241.00
$130.00 - $241.00
Current price $130.00
Original price $114.00 - Original price $114.00
Original price
$114.00
$114.00 - $114.00
Current price $114.00

Baader BCF 1 - DSLR Astro Conversion Filter for Canon APS-C Cameras (all latest models) (FBCF-400D)

Baader Planetarium

Baader BCF 1 - DSLR Astro Conversion Filter for Canon APS-C Cameras (all latest models)   DSLR Conversion Filter for Canon APS-C cameras (all lates...

View full details
Original price $114.00 - Original price $114.00
Original price
$114.00
$114.00 - $114.00
Current price $114.00
Original price $139.00 - Original price $139.00
Original price
$139.00
$139.00 - $139.00
Current price $139.00

Baader ACF 2 DSLR Astro Conversion Filter Canon EOS 350D/20D/10D/30D (FACF-2)

Baader Planetarium

Baader ACF 2 DSLR Astro Conversion Filter Canon EOS 350D/20D/10D/30D   DSLR Conversion Filter for Canon EOS 350D/20D/10D/30D.  Limited Stock Turn y...

View full details
Original price $139.00 - Original price $139.00
Original price
$139.00
$139.00 - $139.00
Current price $139.00
Original price $124.00 - Original price $124.00
Original price
$124.00
$124.00 - $124.00
Current price $124.00

Baader ACF DSLR Astro Conversion Filter EOS 300D (FACF-1)

Baader Planetarium

Baader ACF DSLR Astro Conversion Filter EOS 300D   DSLR Conversion Filter for Canon EOS 300D Turn your Canon DSLR into a superb deep sky AstroCamer...

View full details
Original price $124.00 - Original price $124.00
Original price
$124.00
$124.00 - $124.00
Current price $124.00
Original price $113.00 - Original price $113.00
Original price
$113.00
$113.00 - $113.00
Current price $113.00

Baader T-2 C-Mount with mounted UV/IR Cut Filter (2958520I)

Baader Planetarium

Baader T-2 C-Mount with mounted UV/IR Cut Filter 1" (25.4mm) C-mount (external thd) to T-2 Thread (internal thd) With integrated 1¼" filter mount ...

View full details
Original price $113.00 - Original price $113.00
Original price
$113.00
$113.00 - $113.00
Current price $113.00
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!

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare