O-III Filters

Baader Ultra-Narrowband 4.5nm O-III CCD-Filter 1¼", (with LPFC) [BA-FCOIIIHS-1]

$177.00 USD

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

$287.00 USD

Baader O-III 1¼" f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized [BA-FCOIIIHSU-1]

$297.00 USD

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

$414.00 USD

Baader O-III 31mm f/2 Highspeed-Filter (6.5nm) – CMOS-optimized [BA-FCOIIIHS-RD31]

$185.00 USD

Baader O-III 31mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized [BA-FCOIIIHSU-RD31]

$317.00 USD

Baader O-III 36mm f/2 Highspeed-Filter (6.5nm) – CMOS-optimized [BA-FCOIIIHS-RD36]

$204.00 USD

Baader O-III 36mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized [BA-FCOIIIHSU-RD36]

$367.00 USD

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

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

$447.00 USD

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

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

$339.00 USD

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

$459.00 USD

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

$189.00 USD

Back Order / Waiting List

Baader O-III 65x65mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized [BA-FCOIIIHSU-SQ65]

$597.00 USD

Baader O-III 65x65mm f/2 Highspeed-Filter (6.5nm) – CMOS-optimized [BA-FCOIIIHS-SQ65]

$427.00 USD

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

$195.00 USD

Back Order / Waiting List

Baader O-III 1¼" Ultra-Narrowband-Filter (4nm) – CMOS-optimized [BA-FCOIIINU-1]

$285.00 USD

Baader O-III 2" Ultra-Narrowband-Filter (4nm) – CMOS-optimized [BA-FCOIIINU-2]

$417.00 USD

Baader O-III 2" Narrowband-Filter (6.5nm) – CMOS-optimized [BA-FCOIIIN-2]

$269.00 USD

Baader O-III 1¼" Narrowband-Filter (6.5nm) – CMOS-optimized [BA-FCOIIIN-1]

$159.00 USD

Baader O-III 31mm Narrowband-Filter (6.5nm) – CMOS-optimized [BA-FCOIIIN-RD31]

$167.00 USD

Baader O-III 36mm Narrowband-Filter (6.5nm) – CMOS-optimized [BA-FCOIIIN-RD36]

$192.00 USD

Baader O-III 31mm Ultra-Narrowband-Filter (4nm) – CMOS-optimized [BA-FCOIIINU-RD31]

$307.00 USD

Baader O-III 36mm Ultra-Narrowband-Filter (4nm) – CMOS-optimized [BA-FCOIIINU-RD36]

$369.00 USD

Baader O-III 50.4mm Narrowband-Filter (6.5nm) – CMOS-optimized [BA-FCOIIIN-RD50]

$322.00 USD

Baader O-III 50.4mm Ultra-Narrowband-Filter (4nm) – CMOS-optimized [BA-FCOIIINU-RD50]

$454.00 USD

Baader O-III 50x50mm Narrowband-Filter (6.5nm) – CMOS-optimized [BA-FCOIIIN-SQ50]

$339.00 USD

Baader O-III 50x50mm Ultra-Narrowband-Filter (4nm) – CMOS-optimized [BA-FCOIIINU-SQ50]

$462.00 USD

Baader O-III 65x65mm Narrowband-Filter (6.5nm) – CMOS-optimized [BA-FCOIIIN-SQ65]

$419.00 USD

Baader O-III 65x65mm Ultra-Narrowband-Filter (4nm) – CMOS-optimized [BA-FCOIIINU-SQ65]

$617.00 USD