SII (Sulfur) Filters
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Astrodon - 1.25" Mounted Narrowband SII 5 nm Filter
$380.00SKU: ADO-SII5-27RFREE SHIPPING(48 States) -
Astronomik - SII 12nm CCD Filter - 31mm Round Mounted in Low-Profile Non-Threaded Cell
$169.95SKU: ASN-SII-31 -
Baader - f/2 Highspeed-Filter S-II 1.25" (with LPFC)
$219.00SKU: BAA-FSIIHS-1FREE SHIPPING(48 States) -
Baader - f/2 Highspeed-Filter S-II 2" (with LPFC)
$352.00SKU: BAA-FSIIHS-2FREE SHIPPING(48 States) -
Astronomik - SII 12nm CCD Filter - Canon EOS Full Frame Clip
$319.95SKU: ASN-SII-EOSXLFREE SHIPPING(48 States) -
Astronomik - 6nm SII MFR Narrowband Filter - 31mm Round Mounted in Low-Profile Non-Threaded Cell
$249.95SKU: ASN-SII6-31FREE SHIPPING(48 States) -
Astronomik - 6nm SII MFR Narrowband Filter - 50mm Round Unmounted
$469.95SKU: ASN-SII6-50RFREE SHIPPING(48 States) -
Astronomik - 6nm SII MFR Narrowband Filter - 50mm Square Unmounted
$499.95SKU: ASN-SII6-50SQFREE SHIPPING(48 States) -
Astronomik - 6nm OIII MFR Narrowband Filter - 2" Mounted
$469.95SKU: ASN-OIIICCD6-2FREE SHIPPING(48 States) -
Astrodon - 50mm Unmounted Narrowband Square 3 nm Filter
$1,438.00SKU: ADO-SII3-50SFREE SHIPPING(48 States) -
Astrodon - 50mm Unmounted Narrowband SII 3 nm Filter
$1,145.00SKU: ADO-SII3-50RFREE SHIPPING(48 States) -
Astrodon - 1.25" Mounted Narrowband SII 3 nm Filter
$564.00SKU: ADO-SII3-27RFREE SHIPPING(48 States) -
Astrodon - 50mm Unmounted Narrowband Square SII 5 nm Filter
$1,024.00SKU: ADO-SII5-50SFREE SHIPPING(48 States) -
Astrodon - 50mm Unmounted Narrowband SII 5 nm Filter
$870.00SKU: ADO-SII5-50RFREE SHIPPING(48 States) -
Astrodon - 36mm Unmounted Narrowband SII 5 nm Filter
$501.00SKU: ADO-SII5-36RFREE SHIPPING(48 States) -
Chroma Technology - 65mm Square Unmounted SII 3nm Narrowband Filter
$1,250.00SKU: CHR-SII/3-65SUFREE SHIPPING(48 States) -
Chroma Technology - 65mm Square Unmounted SII 5nm Narrowband Filter
$1,195.00SKU: CHR-SII/5-65SUFREE SHIPPING(48 States) -
Chroma Technology - 1.25" Mounted SII 3nm Narrowband Filter
$485.00SKU: CHR-SII/3-125MFREE SHIPPING(48 States) -
Chroma Technology - 1.25" Mounted SII 5nm Narrowband Filter
$460.00SKU: CHR-SII/5-125MFREE SHIPPING(48 States) -
Chroma Technology - 2" M48 Mounted SII 3nm Narrowband Filter
$775.00SKU: CHR-SII/3-2M48MFREE SHIPPING(48 States) -
Chroma Technology - 2" M48 Mounted SII 5nm Narrowband Filter
$740.00SKU: CHR-SII/5-2M48MFREE SHIPPING(48 States) -
ZWO - 1.25" SII 7nm Narrowband Filter
Regular Price: $129.00
You Pay: $109.65
SKU: ZWO-SII7NM1.25 -
ZWO - 31mm SII 7nm Narrowband Unmounted Filter
Regular Price: $149.00
You Pay: $134.10
SKU: ZWO-SII7NMD31 -
Astrodon - 36mm Unmounted Narrowband SII 3 nm Filter
$748.00SKU: ADO-SII3-36RFREE SHIPPING(48 States) -
Chroma Technology - 50mm Square Unmounted SII 5nm Narrowband Filter
$725.00SKU: CHR-SII/5-50SUFREE SHIPPING(48 States) -
Chroma Technology - 50mm Square Unmounted SII 3nm Narrowband Filter
$760.00SKU: CHR-SII/3-50SUFREE SHIPPING(48 States) -
Chroma Technology - 50mm Unmounted SII 5nm Narrowband Filter
$725.00SKU: CHR-SII/5-50UFREE SHIPPING(48 States) -
Custom Scientific - SII 672.4/3 nm Filter - 50mm Round Unmounted
$780.00SKU: CUS-SII3NM-50RFREE SHIPPING(48 States) -
Custom Scientific - SII 672.4/8 nm Filter - 50mm Square Unmounted
$500.00SKU: CUS-SII8NM-50SFREE SHIPPING(48 States) -
ZWO - Narrowband SII 7nm 36mm Filter
Regular Price: $169.00
You Pay: $135.99
SKU: ZWO-SII7nmD36 -
ZWO - 36mm Ha SII OIII 7nm Filter Set
Regular Price: $479.00
You Pay: $407.15
SKU: ZWO-NB7NMD36SETFREE SHIPPING(48 States) -
Baader - SII 8nm CCD Narrowband-Filter 65x65mm (3mm glass thickness) Square
$479.00SKU: BAA-FSIIN-SQ65FREE SHIPPING(48 States) -
Baader - SII 8nm CCD Narrowband-Filter 50x50mm (3mm glass thickness) Square
$360.00SKU: BAA-FSIIN-SQ50FREE SHIPPING(48 States)
