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Refractor Optical Tube Assemblies

Items 1 - 25 of 29

William Optics Gran Turismo 81 Triplet APO Refractor w/ Dual Dovetail - Gold - A-F81GTIIIGD

SKU: WYO-A-F81GTIII-GD
  • Optical Design: Refractor
  • Telescope Aperture: 81mm (3.19")
  • Focal Ratio: f/5.9
  • Telescope Mount Type: No Mount - OTA Only
  • Type of Electronics: OTA Only - No Electronics
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$1,398.00

William Optics Gran Turismo 81 Triplet APO Refractor w/ Dual Dovetail - Red - A-F81GTIIIRD

SKU: WYO-A-F81GTIII-RD
  • Optical Design: Refractor
  • Telescope Aperture: 81mm (3.19")
  • Focal Ratio: f/5.9
  • Telescope Mount Type: No Mount - OTA Only
  • Type of Electronics: OTA Only - No Electronics
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$1,398.00

William Optics 73mm f/5.9 ZenithStar FPL53 Doublet APO Refractor w/ Dual Dovetail Plate - Gold - A-Z73IIGD

SKU: WYO-A-Z73II-GD
  • Optical Design: Refractor
  • Telescope Aperture: 73mm (2.9")
  • Focal Ratio: f/5.9
  • Telescope Mount Type: No Mount - OTA Only
  • Type of Electronics: OTA Only - No Electronics
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$648.00

William Optics 73mm f/5.9 ZenithStar FPL53 Doublet APO Refractor w/ Dual Dovetail Plate - Red - A-Z73IIRD

SKU: WYO-A-Z73II-RD
  • Optical Design: Refractor
  • Telescope Aperture: 73mm (2.9")
  • Focal Ratio: f/5.9
  • Telescope Mount Type: No Mount - OTA Only
  • Type of Electronics: OTA Only - No Electronics
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$648.00

William Optics ZenithStar 81 APO Doublet Refractor - Red - A-Z81RD

SKU: WYO-A-Z81-RD
  • Optical Design: Refractor
  • Telescope Aperture: 81mm (3.19")
  • Focal Ratio: f/6.9
  • Telescope Mount Type: No Mount - OTA Only
  • Type of Electronics: OTA Only - No Electronics
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$798.00

William Optics ZenithStar 81 APO Doublet Refractor - Gold - A-Z81GD

SKU: WYO-A-Z81-GD
  • Optical Design: Refractor
  • Telescope Aperture: 81mm (3.19")
  • Focal Ratio: f/6.9
  • Telescope Mount Type: No Mount - OTA Only
  • Type of Electronics: OTA Only - No Electronics
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$798.00

Explore Scientific Essential ED80 Triplet APO Refractor - ES-ED0806-01

SKU: EXS-ES-ED0806-01
  • Optical Design: Refractor
  • Telescope Aperture: 80mm (3.15")
  • Focal Ratio: f/6
  • Telescope Mount Type: No Mount - OTA Only
  • Type of Electronics: OTA Only - No Electronics
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$849.99

Sky-Watcher Esprit 80 mm ED APO Triplet Refractor - S11400

SKU: SKY-S11400
  • Optical Design: Refractor
  • Telescope Aperture: 80mm (3.15")
  • Focal Ratio: f/5
  • Telescope Mount Type: No Mount - OTA Only
  • Type of Electronics: OTA Only - No Electronics
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$1,699.00
Takahashi FSQ-85ED - Collapsed Length

Takahashi FSQ-85EDX Refractor Telescope - No Flattener - TQE08510

SKU: TAK-TQE08510
  • Optical Design: Refractor
  • Telescope Aperture: 85mm (3.35")
  • Focal Ratio: f/5.3
  • Telescope Mount Type: No Mount - OTA Only
  • Type of Electronics: OTA Only - No Electronics
$3,585.00
Tele Vue TV76 Refractor with Case - Green

Tele Vue TV76 APO Refractor Telescope - Green - GXO-3065

SKU: TLV-GXO-3065
  • Optical Design: Refractor
  • Telescope Aperture: 76mm (3")
  • Focal Ratio: f/6.3
  • Telescope Mount Type: No Mount - OTA Only
  • Type of Electronics: OTA Only - No Electronics
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$1,695.00
Tele Vue TV85 Refractor in Green with Case

Tele Vue TV85 APO Refractor Telescope - Green - GXO-3372

SKU: TLV-GXO-3372
  • Optical Design: Refractor
  • Telescope Aperture: 85mm (3.35")
  • Focal Ratio: f/7
  • Telescope Mount Type: No Mount - OTA Only
  • Type of Electronics: OTA Only - No Electronics
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$2,125.00
Tele Vue TV76 Refractor in Ivory with Case

Tele Vue 76 mm APO Refractor Telescope - Ivory - WXO-3065

SKU: TLV-WXO-3065
  • Optical Design: Refractor
  • Telescope Aperture: 76mm (3")
  • Focal Ratio: f/6.3
  • Telescope Mount Type: No Mount - OTA Only
  • Type of Electronics: OTA Only - No Electronics
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$1,695.00
Tele Vue TV85 Refractor in Ivory with Case

Tele Vue 85 mm APO Refractor Telescope - Ivory - WXO-3372

SKU: TLV-WXO-3372
  • Optical Design: Refractor
  • Telescope Aperture: 85mm (3.35")
  • Focal Ratio: f/7
  • Telescope Mount Type: No Mount - OTA Only
  • Type of Electronics: OTA Only - No Electronics
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$2,125.00

Orion 80 mm ED F/6 CF Triplet APO Refractor OTA - 09534

SKU: ORI-09534
  • Optical Design: Refractor
  • Telescope Aperture: 80mm (3.15")
  • Focal Ratio: f/6
  • Telescope Mount Type: No Mount - OTA Only
  • Type of Electronics: OTA Only - No Electronics
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$949.99

Orion 80 mm ED APO Refractor Optical Tube Assembly - 09895

SKU: ORI-09895
  • Optical Design: Refractor
  • Telescope Aperture: 80mm (3.15")
  • Focal Ratio: f/7.5
  • Telescope Mount Type: No Mount - OTA Only
  • Type of Electronics: OTA Only - No Electronics
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$449.99

Sky-Watcher Evostar ProED 80 mm f/7.5 ED APO OTA with Aluminum Case - S11100

SKU: SKY-S11100
  • Optical Design: Refractor
  • Telescope Aperture: 80mm (3.15")
  • Focal Ratio: f/7.5
  • Telescope Mount Type: No Mount - OTA Only
  • Type of Electronics: OTA Only - No Electronics
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$825.00

Explore Scientific 80mm f/6 FCD100 Triplet Refractor w/2.5" HEX Focuser - FCD100-0806-01

SKU: EXS-FCD100-0806-01
  • Optical Design: Refractor
  • Telescope Aperture: 80mm (3.15")
  • Focal Ratio: f/6
  • Telescope Mount Type: No Mount - OTA Only
  • Type of Electronics: OTA Only - No Electronics
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$1,199.99
Orion 80mm CT Refractor with StarShoot AutoGuider

Orion CT80 Refractor and StarShoot AutoGuider Package - 20277

SKU: ORI-20277
  • Optical Design: Refractor
  • Telescope Aperture: 80mm (3.15")
  • Focal Ratio: f/5
  • Telescope Mount Type: No Mount - OTA Only
  • Type of Electronics: OTA Only - No Electronics
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$449.99
Orion CT80 Compact Refractor OTA

Orion 80 mm CT80 Compact Refractor Telescope Optical Tube - No Accessories - 9202

SKU: ORI-9202
  • Optical Design: Refractor
  • Telescope Aperture: 80mm (3.15")
  • Focal Ratio: f/5
  • Telescope Mount Type: No Mount - OTA Only
  • Type of Electronics: OTA Only - No Electronics
$99.99
Orion CT80 ShortTube Refractor on EQ Mount

Orion 80 mm CT80 Compact Refractor Telescope with Equatorial Mount - 09911

SKU: ORI-09911
  • Optical Design: Refractor
  • Telescope Aperture: 80mm (3.15")
  • Focal Ratio: f/5
  • Telescope Mount Type: Equatorial
  • Type of Electronics: Manual Mount - No Electronics
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$179.99
Orion EON 85 mm ED-X2 Apochromatic Triplet Refractor OTA

Orion EON 85 mm ED-X2 f/6.6 APO Triplet Refractor Telescope - 10089

SKU: ORI-10089
  • Optical Design: Refractor
  • Telescope Aperture: 85mm (3.35")
  • Focal Ratio: f/6.6
  • Telescope Mount Type: No Mount - OTA Only
  • Type of Electronics: OTA Only - No Electronics
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$1,799.99
Meade 80 mm Series 6000 ED APO Triplet Refractor Telescope

Meade 80 mm Series 6000 f/6 ED APO Triplet Refractor - 261001

SKU: MEA-261001
  • Optical Design: Refractor
  • Telescope Aperture: 80mm (3.15")
  • Focal Ratio: f/6
  • Telescope Mount Type: No Mount - OTA Only
  • Type of Electronics: OTA Only - No Electronics
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$999.00

Stellarvue 80 mm f/6 Hand-Figured APO Triplet with 2.5" Focuser - SVX080T-25SV

SKU: STV-SVX080T-25SV
  • Optical Design: Refractor
  • Telescope Aperture: 80mm (3.15")
  • Focal Ratio: f/6
  • Telescope Mount Type: No Mount - OTA Only
  • Type of Electronics: OTA Only - No Electronics
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$1,595.00
Stellarvue Premier 80 mm f/6 Hand-Figured APO Triplet with Full Frame Flattener

Stellarvue Premier 80 mm f/6 Hand-Figured APO Triplet with Full Frame Flattener - SVX080T-3SV

SKU: STV-SVX080T-3SV
  • Optical Design: Refractor
  • Telescope Aperture: 80mm (3.15")
  • Focal Ratio: f/6
  • Telescope Mount Type: No Mount - OTA Only
  • Type of Electronics: OTA Only - No Electronics
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$1,995.00

William Optics 73mm f/5.9 ZenithStar FPL53 Doublet APO Refractor w/ Dual Dovetail Plate - Blue - A-Z73IIBU

SKU: WYO-A-Z73II-BU
  • Optical Design: Refractor
  • Telescope Aperture: 73mm (2.9")
  • Focal Ratio: f/5.9
  • Telescope Mount Type: No Mount - OTA Only
  • Type of Electronics: OTA Only - No Electronics
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$648.00