Filters

Astronomik LRGB Filter Set - T-Mount - LRGB-T
SKU: ASF-LRGB-T
- Filter Type: RGB
- Filter Size: M42 x 0.75 mm (T-Thread)
- Filter Shape: Round
- Filter Insert Style: Threaded
Free shipping
$419.95

Orion 1.25" Premium 20-Piece Color Planetary Filter Set - 05453
SKU: ORI-05453
- Filter Type: Color Planetary
- Filter Size: 31.75 mm (1.25")
- Filter Shape: Round
- Filter Insert Style: Threaded
Free shipping
$199.99

Zhumell 1.25" Lunar and Planetary Color Filter Set - ZHUL036-1
SKU: ZHU-ZHUL036-1
- Filter Type: Color Planetary
- Filter Size: 31.75 mm (1.25")
- Filter Shape: Round
- Filter Insert Style: Threaded
$34.99

Astrodon Gen2 I-Series LRGB Tru-Balance Filter Set - 1.25" Threaded Cell - LRGB2-I27R
SKU: ASD-LRGB2-I27R
- Filter Type: RGB
- Filter Size: 31.75 mm (1.25")
- Filter Shape: Round
- Filter Insert Style: Threaded
Free shipping
$547.00

Astrodon Gen2 I-Series LRGB Tru-Balance Filter Set - 31 mm Unthreaded Insert - LRGB2-I31R
SKU: ASD-LRGB2-I31R
- Filter Type: RGB
- Filter Size: 31 mm
- Filter Shape: Round
- Filter Insert Style: Drop-In
Free shipping
$615.00

Astrodon Gen2 I-Series LRGB Tru-Balance Filter Set - 36 mm Round Unmounted - LRGB2-I36R
SKU: ASD-LRGB2-I36R
- Filter Type: RGB
- Filter Size: 36 mm
- Filter Shape: Round
- Filter Insert Style: Drop-In
Free shipping
$790.00

Astrodon Gen2 I-Series LRGB Tru-Balance Filter Set - 49.7 mm Round Unmounted - LRGB2-I50R
SKU: ASD-LRGB2-I50R
- Filter Type: RGB
- Filter Size: 50 mm
- Filter Shape: Round
- Filter Insert Style: Drop-In
Free shipping
$1,188.00

Astrodon Gen2 E-Series LRGB Tru-Balance Filter Set - 49.7 mm Square Unmounted - LRGB2-E50S
SKU: ASD-LRGB2-E50S
- Filter Type: RGB
- Filter Size: 50 mm
- Filter Shape: Square
- Filter Insert Style: Drop-In
Free shipping
$1,421.00

Baader 1.25" UBVRI Photometric Filter Set - FUBVRIS-1
SKU: BAD-FUBVRIS-1
- Filter Type: Photometric (UBVIR, Johnson-Cousins)
- Filter Size: 31.75 mm (1.25")
- Filter Shape: Round
- Filter Insert Style: Threaded
Free shipping
$899.00

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 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

Atik 1.25" LRGB Filter Set - ATK0162
SKU: ATK-ATK0162
- Filter Type: RGB
- Filter Size: 31.75 mm (1.25")
- Filter Shape: Round
- Filter Insert Style: Threaded
Free shipping
$254.00

Atik 36 mm LRGB Filter Set - ATK0179
SKU: ATK-ATK0179
- Filter Type: RGB
- Filter Size: 36 mm
- Filter Shape: Round
- Filter Insert Style: Drop-In
Free shipping
$324.00

Atik 2" LRGB Filter Set - ATK0178
SKU: ATK-ATK0178
- Filter Type: RGB
- Filter Size: 50.8 mm (2")
- Filter Shape: Round
- Filter Insert Style: Threaded
Free shipping
$393.00

Atik 1.25" Narrow Band Filter Set - ATK0176
SKU: ATK-ATK0176
- Filter Type: Narrowband Set
- Filter Size: 31.75 mm (1.25")
- Filter Shape: Round
- Filter Insert Style: Threaded
Free shipping
$451.00