Optolong

Optolong 1.25" L-eXtreme Dual Band 7nm HA/OIII Filter - LXT-125
SKU: OTL-LXT-125
- Filter Type: Ha/OIII
- Filter Size: 31.75 mm (1.25")
- Filter Shape: Round
- Filter Insert Style: Threaded
Free shipping
$239.00

Optolong 2" L-eXtreme Dual Band 7nm HA/OIII Light Pollution Filter - LXT-200
SKU: OTL-LXT-200
- Filter Type: Ha/OIII
- Filter Size: 50.8 mm (2")
- Filter Shape: Round
- Filter Insert Style: Threaded
Free shipping
$309.00

Optolong Night Sky H-Alpha Filter - 1.25" Mounted - NSHA-125
SKU: OTL-NSHA-125
- Filter Type: H-Alpha
- Filter Size: 31.75 mm (1.25")
- Filter Shape: Round
- Filter Insert Style: Threaded
$79.00

Optolong Night Sky H-Alpha Filter - 2" Mounted - NSHA-200
SKU: OTL-NSHA-200
- Filter Type: H-Alpha
- Filter Size: 50.8 mm (2")
- Filter Shape: Round
- Filter Insert Style: Threaded
$119.00

Optolong L-eNhance Light Pollution Dual Band Pass Imaging Filter - 1.25" - LNH-125
SKU: OTL-LNH-125
- Filter Type: CLS/LPR
- Filter Size: 31.75 mm (1.25")
- Filter Shape: Round
- Filter Insert Style: Threaded
$179.00

Optolong L-eNhance Light Pollution Dual-Bandpass Imaging Filter - 2.00" - LNH-200
SKU: OTL-LNH-200
- Filter Type: CLS/LPR
- Filter Size: 50.8 mm (2")
- Filter Shape: Round
- Filter Insert Style: Threaded
Free shipping
$229.00

Optolong 31mm Unmounted LRGB and 7nm H-Alpha Filter Set - LRGB-HA-31U
SKU: OTL-LRGB-HA-31U
- Filter Type: RGB & Narrowband Set
- Filter Size: 31 mm
- Filter Shape: Round
- Filter Insert Style: Drop-In
Free shipping
$460.00

Optolong 36mm Unmounted LRGB and 7nm H-Alpha Filter Set - LRGB-HA-36U
SKU: OTL-LRGB-HA-36U
- Filter Type: RGB & Narrowband Set
- Filter Size: 36 mm
- Filter Shape: Round
- Filter Insert Style: Drop-In
Free shipping
$465.00

Optolong 1.25" Filter Set with H-Alpha, SII, and OIII Filters - HASIIOIII-125
SKU: OTL-HASIIOIII-125
- Filter Type: Narrowband Set
- Filter Size: 31.75 mm (1.25")
- Filter Shape: Round
- Filter Insert Style: Threaded
Free shipping
$465.00

Optolong 2" Filter Set with H-Alpha, SII, and OIII Filters - HASIIOIII-200
SKU: OTL-HASIIOIII-200
- Filter Type: Narrowband Set
- Filter Size: 50.8 mm (2")
- Filter Shape: Round
- Filter Insert Style: Threaded
Free shipping
$720.00

Optolong 31mm Unmounted Filter Set with H-Alpha, SII, and OIII Filters - HASIIOIII-31U
SKU: OTL-HASIIOIII-31U
- Filter Type: Narrowband Set
- Filter Size: 31 mm
- Filter Shape: Round
- Filter Insert Style: Drop-In
Free shipping
$540.00

Optolong 36mm Unmounted Filter Set with H-Alpha, SII, and OIII Filters - HASIIOIII-36U
SKU: OTL-HASIIOIII-36U
- Filter Type: Narrowband Set
- Filter Size: 36 mm
- Filter Shape: Round
- Filter Insert Style: Drop-In
Free shipping
$557.00

Optolong Clear Focusing Filter - 1.25" Mounted - CFF-125
SKU: OTL-CFF-125
- Filter Type: Clear
- Filter Size: 31.75 mm (1.25")
- Filter Shape: Round
- Filter Insert Style: Threaded
Free shipping
$24.00

Optolong Clear Sky Filter - 77mm Round Mounted - CS-77
SKU: OTL-CS-77
- Filter Type: Clear
- Filter Size: 77 mm
- Filter Shape: Round
- Filter Insert Style: Threaded
Free shipping
$207.00

Optolong Clear Sky Filter - 82mm Round Mounted - CS-82
SKU: OTL-CS-82
- Filter Type: Clear
- Filter Size: 82 mm
- Filter Shape: Round
- Filter Insert Style: Threaded
Free shipping
$259.00

Optolong 1.25" Filter Set with LRGB, H-Alpha, SII, and OIII Filters - LRGB-HASIIOIII-125
SKU: OTL-LRGB-HASIIOIII-125
- Filter Type: RGB & Narrowband Set
- Filter Size: 31.75 mm (1.25")
- Filter Shape: Round
- Filter Insert Style: Threaded
Free shipping
$665.00

Optolong 2" Filter Set with LRGB, H-Alpha, SII, and OIII Filters - LRGB-HASIIOIII-200
SKU: OTL-LRGB-HASIIOIII-200
- Filter Type: RGB & Narrowband Set
- Filter Size: 50.8 mm (2")
- Filter Shape: Round
- Filter Insert Style: Threaded
Free shipping
$1,009.00

Optolong 31mm Unmounted Filter Set with LRGB, H-Alpha, SII, and OIII Filters - LRGB-HASIIOIII-31U
SKU: OTL-LRGB-HASIIOIII-31U
- Filter Type: RGB & Narrowband Set
- Filter Size: 31 mm
- Filter Shape: Round
- Filter Insert Style: Drop-In
Free shipping
$705.00

Optolong 36mm Unmounted Filter Set with LRGB, H-Alpha, SII, and OIII Filters - LRGB-HASIIOIII-36U
SKU: OTL-LRGB-HASIIOIII-36U
- Filter Type: RGB & Narrowband Set
- Filter Size: 36 mm
- Filter Shape: Round
- Filter Insert Style: Drop-In
Free shipping
$775.00

Optolong 1.25" LRGB and 7nm H-Alpha Filter Set - LRGB-HA-125
SKU: OTL-LRGB-HA-125
- Filter Type: RGB & Narrowband Set
- Filter Size: 31.75 mm (1.25")
- Filter Shape: Round
- Filter Insert Style: Threaded
Free shipping
$399.00

Optolong 2" LRGB and 7nm H-Alpha Filter Set - LRGB-HA-200
SKU: OTL-LRGB-HA-200
- Filter Type: RGB & Narrowband Set
- Filter Size: 50.8 mm (2")
- Filter Shape: Round
- Filter Insert Style: Threaded
Free shipping
$585.00

Optolong LRGB CCD Filter Set - 1.25" Mounted - LRGB-125
SKU: OTL-LRGB-125
- Filter Type: RGB
- Filter Size: 31.75 mm (1.25")
- Filter Shape: Round
- Filter Insert Style: Threaded
Free shipping
$249.00

Optolong H-Alpha 7nm CCD Filter - 2" Mounted - HAL7-200
SKU: OTL-HAL7-200
- Filter Type: H-Alpha
- Filter Size: 50.8 mm (2")
- Filter Shape: Round
- Filter Insert Style: Threaded
Free shipping
$259.00

Optolong LRGB Filter Set - 2" Mounted - LRGB-200
SKU: OTL-LRGB-200
- Filter Type: RGB
- Filter Size: 50.8 mm (2")
- Filter Shape: Round
- Filter Insert Style: Threaded
Free shipping
$359.00

Optolong H-Beta 25nm Filter - 2" Mounted - HBTA25-200
SKU: OTL-HBTA25-200
- Filter Type: H-Beta
- Filter Size: 50.8 mm (2")
- Filter Shape: Round
- Filter Insert Style: Threaded
Free shipping
$139.00