Filters & Filter Wheels

Narrowband S-II (8nm) CCD-Filter, 36 x 2mm Round (without Cell) [BA-FSIIN-RD36]

$188.00 USD

IN STOCK, usually ships within 48h or less directly from our Canadian warehouse

Baader S-II 31mm Narrowband-Filter (6.5nm) – CMOS-optimized [BA-FCSIINU-RD31]

$317.00 USD

Baader S-II 36mm Ultra-Narrowband-Filter (4nm) – CMOS-optimized [BA-FCSIINU-RD36]

$374.00 USD

Baader H-beta 31mm Narrowband-Filter (5.5nm) – CMOS-optimized [BA-FCHBN-RD31]

$229.00 USD

Baader H-beta 36mm Narrowband-Filter (5.5nm) – CMOS-optimized [BA-FCHBN-RD36]

$252.00 USD

Astrozap Baader Solar Filter. ETX 125. Fits 136mm-146mm dia. [AZ-1002]

$84.80 USD

Back Order / Waiting List

Astrozap Glass Solar Filter. 60mm-67mm. Clear aperture 50mm [AZ-1504]

$107.95 USD

IN STOCK, usually ships within 48h or less directly from our Canadian warehouse

Astrozap Glass solar Filter Off Axis 244mm-251mm [AZ-1553]

$197.95 USD

Back Order / Waiting List

Astrozap Binocular Glass solar Filter pair 60mm-67mm. [AZ-1573]

$187.95 USD

IN STOCK, usually ships within 48h or less directly from our Canadian warehouse

Optolong 2'' CLS light-pollution filter [OPTO-CLS-2]

$85.00 USD

IN STOCK, usually ships within 48h or less directly from our Canadian warehouse

Optolong 2'' LRGB Filter [OPTO-LRGB-2]

$359.00 USD

IN STOCK, usually ships within 48h or less directly from our Canadian warehouse

Optolong H-Alpha 7nm (Round 31nm without housing) CCD Filter [OPTO-HA7-31]

$190.00 USD

Back Order / Waiting List

Optolong OIII-CCD 6.5nm (1.25'') CCD Filter [OPTO-OIII-CCD65-125]

$159.00 USD

IN STOCK, usually ships within 48h or less directly from our Canadian warehouse

Optolong SII-CCD 6.5nm (Round 31mm Without Housing) CCD Filter [OPTO-SII-CCD65-31]

$193.00 USD

Back Order / Waiting List

DSLR-Astro Conversion Filter (FBCF) for Canon 5D MkII [BA-FBCF-5DII]

$118.70 USD

Baader H-beta 50x50mm Narrowband-Filter (5.5nm) – CMOS-optimized [BA-FCHBN-SQ50]

$399.00 USD

Baader RGB Filter Set 2" with UV/IR Cut L-Filter and Clear Filter (Optically Polished, with LPFC) [BA-FLRGBC-2]

$679.00 USD

Narrowband S-II (8nm) CCD-Filter, 50.4 x 3mm Round (without Cell) [BA-FSIIN-RD50]

$299.00 USD

IN STOCK, usually ships within 48h or less directly from our Canadian warehouse

Eyepiece Filter Set 2" 6 Colors (optically polished) w/MC [BA-FCFS-2]

$399.00 USD

AstroSolar Safety Film Visual, Maximum Size 117x117cm (46"x46") ND=5 [BA-ASOLV-L]

$349.00 USD

External Filter Wheel for G2 cameras with 8 positions (31mm) [MVI-EFW-2XS-8]

$440.43 USD

Scheduled Delivery

External Filter Wheel Mark II for G4 cameras with 7 positions (50x50mm) [MVI-EFW-4L-7-II]

$623.54 USD

Scheduled Delivery

Optolong 2'' L-eNhance light-pollution filter [OPTO-L-ENHANCE-2]

$229.00 USD

IN STOCK, usually ships within 48h or less directly from our Canadian warehouse

Optolong 1.25'' L-eNhance light-pollution filter [OPTO-L-ENHANCE-125]

$179.00 USD

IN STOCK, usually ships within 48h or less directly from our Canadian warehouse

Baader O-III 50.4mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized [BA-FCOIIIHSU-RD50]

$447.00 USD

Atik EFW2.2 - 36mm Carousel [ATK-0180]

$136.14 USD

Back Order / Waiting List

Baader H-alpha 36mm f/2 Highspeed-Filter (6.5nm) – CMOS-optimized [BA-FCHALHS-RD36]

$207.00 USD

Baader S-II 50.4mm Narrowband-Filter (6.5nm) – CMOS-optimized [BA-FCSIIN-RD50]

$319.00 USD

Baader S-II 50.4mm Ultra-Narrowband-Filter (4nm) – CMOS-optimized [BA-FCSIINU-RD50]

$464.00 USD

Astrozap Glass Solar Filter. 67mm-73mm. Clear aperture 60mm [AZ-1505]

$107.95 USD

IN STOCK, usually ships within 48h or less directly from our Canadian warehouse

Astrozap Glass solar Filter Off Axis 257mm-264mm [AZ-1554]

$197.95 USD

Back Order / Waiting List

Astrozap Binocular Glass solar Filter pair 67mm-73mm. [AZ-1574]

$187.95 USD

IN STOCK, usually ships within 48h or less directly from our Canadian warehouse

External Filter Wheel for G2 cameras with 7 positions [MVI-EFW-2S-7]

$440.22 USD

Scheduled Delivery

IDAS Light Pollution Suppression Filters - V4 Nebular Filter. LPS-V4 filter for Canon APS-C frame camera [HU-LPS-V4-EOS]

$199.00 USD

IN STOCK, usually ships within 48h or less directly from our Canadian warehouse

Optolong 1.25'' CLS-CCD light-pollution filter [OPTO-CLS-CCD-125]

$96.00 USD

IN STOCK, usually ships within 48h or less directly from our Canadian warehouse

Optolong Round 31mm (without housing) LRGB Filter [OPTO-LRGB-31]

$291.00 USD

Back Order / Waiting List

Optolong H-Alpha 7nm (Round 36nm without housing) CCD Filter [OPTO-HA7-36]

$193.00 USD

Back Order / Waiting List

Optolong OIII-CCD 6.5nm (2'') CCD Filter [OPTO-OIII-CCD65-2]

$255.00 USD

IN STOCK, usually ships within 48h or less directly from our Canadian warehouse

Optolong SII-CCD 6.5nm (Round 36mm Without Housing) CCD Filter [OPTO-SII-CCD65-36]

$199.00 USD

Back Order / Waiting List

Baader Clear Focusing Filter 1 1/4" (Optically Polished, with LPFC) [BA-FC-1]

$49.00 USD

Baader RGB Filter Set 36 x 2mm Round, with UV/IR Cut L-Filter (Optically Polished) [BA-FLRGB-RD36]

$477.00 USD

Baader S-II 50x50mm Narrowband-Filter (6.5nm) – CMOS-optimized [BA-FCSIIN-SQ50]

$339.00 USD

Eyepiece Filter Yellow 1.25", 495nm Longpass, Optically Polished w/MC [BA-FCFY-1]

$53.00 USD

AstroSolar Safety Film Visual, A4 Sheet 20x30cm (7.9"x11.4") ND=5 [BA-ASOLV-S]

$39.00 USD

Astrozap Baader Solar Filter. ETX 125. Fits 145mm-155mm dia. [AZ-1002-1]

$84.80 USD

Back Order / Waiting List

Optolong H-Alpha 7nm Filter - Clip filter for Canon EOS APS-C Cameras [OPTO-APS-EOS-C-HA7NM]

$219.00 USD

IN STOCK, usually ships within 48h or less directly from our Canadian warehouse

External Filter Wheel Mark II for G4 cameras with 9 positions (D50mm) [MVI-EFW-4L-9-II]

$623.54 USD

Scheduled Delivery

Baader O-III 50x50mm f/2 Highspeed-Filter (6.5nm) – CMOS-optimized [BA-FCOIIIHS-SQ50]

$339.00 USD

Atik EFW2.2 - 2" Carousel [ATK-0179]

$136.14 USD

Back Order / Waiting List

Baader H-alpha 50.4mm f/2 Highspeed-Filter (6.5nm) – CMOS-optimized [BA-FCHALHS-RD50]

$299.00 USD

Baader O-III 50x50mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized [BA-FCOIIIHSU-SQ50]

$459.00 USD

Baader S-II 50x50mm Ultra-Narrowband-Filter (4nm) – CMOS-optimized [BA-FCSIINU-SQ50]

$469.00 USD

AstroSolar® ECO-size Safety Film 5.0 OD, size 140x155mm [BA-ASOLV-E]

$24.00 USD

Baader H-beta 65x65mm Narrowband-Filter (5.5nm) – CMOS-optimized [BA-FCHBN-SQ65]

$499.00 USD

Astrozap Baader Solar Filter. Orion ED 80 / 100. Fits 104mm-114mm dia. [AZ-1003]

$72.80 USD

Back Order / Waiting List

Astrozap Glass Solar Filter. 73mm-79mm. Clear aperture 60mm [AZ-1506]

$107.95 USD

IN STOCK, usually ships within 48h or less directly from our Canadian warehouse

Astrozap Binocular Glass solar Filter pair 73mm-79mm. [AZ-1575]

$187.95 USD

IN STOCK, usually ships within 48h or less directly from our Canadian warehouse

External Filter Wheel for G3 cameras with 7 positions [MVI-EFW-3S-7]

$440.22 USD

Scheduled Delivery

Optolong 2'' CLS-CCD light-pollution filter [OPTO-CLS-CCD-2]

$159.00 USD

IN STOCK, usually ships within 48h or less directly from our Canadian warehouse

Optolong Round 36mm (without housing) LRGB Filter [OPTO-LRGB-36]

$299.00 USD

Back Order / Waiting List