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10% Off TeleVue Eyepieces, Powermates & Barlows

Telescope Clearance

20 Items

Optolong OIII CCD 12nm Filter - 31mm Unmounted - OIIICCD12NM-31U

SKU: OTL-OIIICCD12NM-31U
  • Filter Type: OIII
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
$130.00 $99.95

Baader Planetarium 1.25" U-Filter - FUV-1

SKU: BAD-FUV-1
  • Filter Type: UV/IR/Luminance
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$296.00 $236.80
Baader 50.5 mm Round Unmounted UV-IR Cut/L Filter

Baader UV-IR-Cut L Filter - 50.4 mm Round Unmounted - FUVIR-RD50

SKU: BAD-FUVIR-RD50
  • Filter Type: UV/IR/Luminance
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
$156.00 $124.80

Orion Hydrogen-Beta Nebula 1.25" Filter - 05583

SKU: ORI-05583
  • Filter Type: H-Beta
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$99.99 $79.99

Lumicon 2" UV/Infrared Filter - LF3145

SKU: LUM-LF3145
  • Filter Type: UV/IR/Luminance
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$255.00 $204.00
Ha Filter Installed in T-Ring on EOS Camera (camera not included)

Baader EOS Protective Wide T-Ring with 7nm H-Alpha Filter - DSLRT-HA

SKU: BAD-DSLRT-HA
  • Filter Type: H-Alpha
  • Filter Size: 50.4 mm
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$357.00 $285.60
Baader Dark Blue Bandpass Filter

Baader Dark Blue 435 nm Bandpass Filter - 2" - FCFDB-2

SKU: BAD-FCFDB-2
  • Filter Type: Color Planetary
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$79.00 $63.20

Orion X-tra Narrowband Oxygen Three O-III 1.25" Filter - 5578

SKU: ORI-05578
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$129.99 $103.99
Explore Scientific 1.25" OIII Nebula Filter with Case

Explore Scientific 1.25" OIII Nebula Filter - 310205

SKU: EXS-310205
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$99.99 $84.99
Optolong SII Unmounted Filter

Optolong SII CCD 12nm Filter - 31mm Unmounted - SIICCD12-31U

SKU: OTL-SIICCD12-31U
  • Filter Type: SII
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$153.00 $125.00
Optolong UVIR Cut Unmounted Filter

Optolong UV-IR Cut Filter - 31mm Unmounted - UVIR-31U

SKU: OTL-UVIR-31U
  • Filter Type: UV/IR/Luminance
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$55.00 $44.00

Stellarvue 1.25" Color Balanced Chromatic Aberration Filter - XCLR1

SKU: STV-XCLR1
  • Filter Type: Fringe-Killer/Minus Violet
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$79.00 $63.20

Optolong SII CCD 12nm Filter - 1.25" Mounted - SIICCD12-125

SKU: OTL-SIICCD12-125
  • Filter Type: SII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$129.00 $103.20

Optolong IR Pass 685nm Filter - 2" Mounted - IRPS685-200

SKU: OTL-IRPS685-200
  • Filter Type: UV/IR/Luminance
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$119.00 $95.20

ZWO 1.25" Low Profile Clear Filter - LPFAR125

SKU: ZWO-LPFAR125
  • Filter Type: Clear
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$20.00
Astronomik H-Alpha 12 nm T-Mount CCD Filter

Astronomik H-Alpha 12 nm CCD Filter - T-Mount - HA12-T

SKU: ASF-HA12-T
  • Filter Type: H-Alpha
  • Filter Size: M42 x 0.75 mm (T-Thread)
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$269.95
Astronomik Luminance Filter Type 2C - 50 mm Round Mounted

Astronomik Luminance Filter Type 2C - 50 mm Round Mounted - L-50R

SKU: ASF-L-50R
  • Filter Type: UV/IR/Luminance
  • Filter Size: 50 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$99.95 $84.95
Astronomik MC Clear Glass T-Mount Filter

Astronomik MC Clear Glass Filter - T-Mount - C-T

SKU: ASF-C-T
  • Filter Type: Clear
  • Filter Size: M42 x 0.75 mm (T-Thread)
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$65.95 $52.76
Apertura #8 Light Yellow Filter - 1.25"

Apertura #8 Light Yellow Filter - 1.25" - A-8F1

SKU: APT-A-8F1
  • Filter Type: Color Planetary
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$9.95
Apertura #80A Medium Blue Filter - 1.25"

Apertura #80A Medium Blue Filter - 1.25" - A-80AF1

SKU: APT-A-80AF1
  • Filter Type: Color Planetary
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$9.95