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OTA - Just Telescope Tubes

We stock a wide range of optical tube assemblies (OTA) from quality brands including Celestron and Sky-Watcher. With so many choices we are always happy to give advice and help you find the best equipment for your use.

Showing 81 of 81 products

Altair Astro 10" F8 Ritchey Chretien Astrograph (metal tube)

£1,799.00
£1,799.00

Altair Astro 10" F8 Ritchey Chretien Astrograph (metal tube)

Out of stock
Altair Astro 6" F9 Ritchey Chretien Astrograph (Fully Loaded)

£399.00

Altair Astro 6" F9 Ritchey Chretien Astrograph (Fully Loaded)

Out of stock
Altair Astro 8" F8 Deluxe Ritchey Chretien Astrograph (Carbon Fibre)

£1,100.00
£999.00

Fantastic price for this popular lightweight RC

Out of stock
Altair Astro 8" F8 Ritchey Chretien Astrograph (Metal Tube)

£799.00

This is a deluxe, "fully loaded" version of the tried and tested Ritchey-Chrétien

Out of stock
Altair Astro Deluxe 10" F8 Ritchey Chretien Astrograph Carbon Fibre

£2,150.00
£2,150.00

Altair Astro Deluxe 10" F8 Ritchey Chretien Astrograph Carbon Fibre

Out of stock
Altair Astro RC250-TT V2 10" Truss Tube Ritchey Chretien Astrograph

£0.00

Contact for details

Out of stock
Altair Astro RC300-TT V2 12" Truss Tube Ritchey Chretien Astrograph

£0.00

Contact for details

Out of stock
APM 107/700 F6.5 ED Triplet APO w 3" APM focuser

£1,899.00

High-end colour-corrected 3-lens apochromatic refractor
$APM 140 ED Doublet Refractor Telescope - FPL53 Glass$

APM 140 ED Doublet Refractor Telescope - FPL53 Glass

£2,799.00

High quality doublet air spaced optic designed with the best glass types available
$APM 152 ED Doublet Refractor Telescope$

APM 152 ED Doublet Refractor Telescope

£2,975.00

High Quality Doublet!
Bresser Messier AR-127S/635 Hex-Focus Optical Tube Assembly

£383.00

Optical Tube Only
Bresser Messier AR-127S/635 Hex-Focus Optical Tube Assembly - Open Box

£383.00
£269.00

Open Box Bargain

Out of stock
Bresser Messier AR-152L/1200 Hex-Focus Optical Tube Assembly

£517.00

Optical Tube Only
Bresser Messier AR-152S/760 Hex-Focus Optical Tube Assembly

£535.00

Optical Tube Only
Bresser Messier AR-90/900 OTA Optical Tube Assembly

£115.00

Optical Tube Only
Bresser Messier MC-127/1900 OTA Optical Tube Assembly

£312.00

Highly portable Maksutov Cassegrain telescope
Bresser Messier MC-152 OTA Optical Tube Assembly

£660.00

High resolution 6-inch f/12.5 - Ideal for high power views of the Moon and brighter planets
Bresser Messier NT-150S/750 Hex-Focus Optical Tube Assembly

£231.00

Optical Tube Only
Celestron C11-A XLT (CG5) OTA

£2,125.00
£2,065.00
Celestron C11-A XLT (CGE) OTA

£2,125.00
£2,065.00

Celestron C11-A XLT (CGE) OTA
Celestron C14-AF XLT (CGE) OTA

£6,695.00

Celestron C14-AF XLT (CGE) OTA
Celestron C6-A XLT OTA

£730.00
£649.00
Celestron C8-A XLT (AVX) OTA

£1,100.00
£1,069.00
Celestron C8-A XLT (CGE) OTA

£1,100.00
£1,069.00

Celestron C8-A XLT (CGE) OTA
Celestron C9.25-A XLT (AVX) OTA

£1,575.00
£1,359.00
Celestron C9.25-A XLT (CGE) OTA

£1,575.00
£1,359.00
Celestron EdgeHD 11 OTA

£3,750.00
£3,745.00

Celestron EdgeHD 11 OTA
Celestron EdgeHD 14 OTA

£7,689.00
Celestron EdgeHD 800 / Advanced

£1,500.00
£1,284.00
Celestron EdgeHD 800 / CGE

£1,500.00
£1,284.00
Celestron EdgeHD 9.25 OTA

£2,750.00
£2,469.00
$Ex Display Vixen A81M Refractor Telescope$

Ex Display Vixen A81M Refractor Telescope

£539.00
£349.00

SOLD

Out of stock
Ex Display Vixen R200SS Telescope

£1,279.00
£899.00

SOLD

Out of stock
Explore Scientific 208mm f/3.9 Photo Newtonian - Carbon Hex

£892.00

Photographic Newtonian f/3.9 with 2.5" Hexafoc Focuser
Explore Scientific 208mm f/3.9 Photo Newtonian - Hex-Focus

£419.00

Photographic Newtonian f/3.9 with 2.5" Hexafoc Focuser
Explore Scientific AR102 102 mm f/6.5 Air-Spaced Doublet

£512.00

This f/6.5 Air-Spaced Doublet is an excellent choice for those looking for a rich field refractor
Explore Scientific AR127 127 mm f/6.5 Air-Spaced Doublet

£588.00

Classic air spaced doublet
Explore Scientific AR152 152 mm f/6.5 Air-Spaced Doublet

£713.00
Explore Scientific David H Levy Comet Hunter 152mm Carbon Fibre Maksutov Newtonian

£892.00
Explore Scientific ED APO 102mm f/7 Deluxe FCD-100 Hex-Focus

£1,330.00

Received a high 4 1/2 Star rating from BBC Sky at Night Magazine.
Explore Scientific ED APO 102mm f/7 Essential

£847.00

Superb Value ED Doublet
Explore Scientific ED APO 127mm f/7.5 Carbon FCD-100 Hex-Foc

£2,287.00

NEW 'FCD-100' version of Explore Scientific’s highly rated f/7.5 triplet refractor
Explore Scientific ED APO 127mm f/7.5 Deluxe FCD-100 Hex-Foc

£1,955.00

The Explore Scientific ED APO 127mm f/7.5 Carbon fibre V2 is a significant 3kg lighter than a conventional aluminium-tubed ES 127 triplet.
Explore Scientific ED APO 127mm f/7.5 Essential w Hex-Focus

£1,420.00

The Explore Scientific 127mm Triplet Apochromatic lens design delivers clean, crisp views and images,
Explore Scientific ED APO 152mm f/7.9 Carbon 3" Hex Focuser

£4,366.00

The Explore Scientific ED APO 152mm Carbon fibre telescope is a superb, lightweight 6-inch / 152mm apochromatic refractor.
Explore Scientific ED APO 165mm Carbon fibre

£8,920.00

165mm Reference class apochromat with carbon fibre tube and 3" Feathertouch focuser
Explore Scientific ED APO 165mm f/7 Carbon FPL-53 3" Hex Foc

£8,027.00

165mm Reference class apochromat with carbon fibre tube and 3" Hex focuser
Explore Scientific ED APO 80mm f/6 Deluxe FCD-100 Hex-Focus

£891.00

The latest iteration of Explore Scientific's popular 80mm Triplet Apo telescope.
Explore Scientific ED APO 80mm f/6 Essential

£562.00

The latest iteration of Explore Scientific's popular 80mm Essential Triplet Apo telescope.
$Sky-Watcher ESPRIT 100-ED PRO 3-Element APO Refractor$

Sky-Watcher ESPRIT 100-ED PRO 3-Element APO Refractor

£1,699.00
£1,495.00

Special Sky-Watcher Spring Sale - Limited Availability
$Sky-Watcher ESPRIT 120-ED PRO 3-Element APO Refractor$

Sky-Watcher ESPRIT 120-ED PRO 3-Element APO Refractor

£2,299.00
£2,018.00

Available from showroom stock!
$Sky-Watcher ESPRIT 150-ED PRO 3-Element APO Refractor$

Sky-Watcher ESPRIT 150-ED PRO 3-Element APO Refractor

£4,499.00
£3,999.00

Special Sky-Watcher Spring Sale - Limited Availability
$Sky-Watcher ESPRIT 80-ED PRO 3-Element APO Refractor$

Sky-Watcher ESPRIT 80-ED PRO 3-Element APO Refractor

£1,079.00
£989.00
Sky-Watcher Explorer 150P OTA

£199.00
£178.00

Sky-Watcher Explorer-150P OTA
Sky-Watcher Explorer 150PL OTA

£199.00
£179.00

Sky-Watcher Explorer-150PL OTA
Sky-Watcher Explorer 200P OTA

£279.00
£249.00

Sky-Watcher Explorer-200P OTA
Sky-Watcher Explorer 200P OTA - Open Box

£279.00
£189.00

Sky-Watcher Explorer-200P OTA
Sky-Watcher Explorer 250PDS OTA

£449.00
£385.00

Optimised performance for prime-focus photography.
Sky-Watcher Explorer-130PDS OTA

£199.00
£175.00

Sky-Watcher Explorer-130PDS OTA
Sky-Watcher Explorer-150PDS OTA

£259.00
£218.00

Sky-Watcher Explorer-150PDS OTA
Sky-Watcher Explorer-190MN DS-PRO

£1,199.00
£1,059.00

Sky-Watcher Explorer-190MN DS-PRO
Sky-Watcher Explorer-200PDS OTA

£349.00
£299.00

Sky-Watcher Explorer-200PDS OTA
Sky-Watcher Skymax-127 PRO OTA

£254.00

Special Sky-Watcher Spring Sale - Limited Availability
Sky-Watcher Skymax-150 PRO OTA

£599.00
£475.00

Special Price - Limited Availability
Sky-Watcher Skymax-180 PRO OTA

£929.00
£819.00

Sky-Watcher Skymax-180 PRO OTA
Sky-Watcher Startravel-102T OTA

£199.00
£165.00

Sky-Watcher Startravel-102T OTA
Sky-Watcher Startravel-120T OTA

£269.00
£229.00

Sky-Watcher Startravel-120T OTA
Sky-Watcher Startravel-150 OTA

£599.00
£529.00

Sky-Watcher Startravel-150 OTA
Sky-Watcher Startravel-80T (Tube Assembly)

£109.00
£99.00

Sky-Watcher Startravel-80T (Tube Assembly)
Vixen A105M Telescope

£799.00

Vixen A105M Telescope
Vixen A80M Telescope

£499.00

Vixen A80M Telescope
Vixen AX103S Telescope

£2,699.00

Vixen AX103S Telescope
Vixen NA140SS Telescope

£1,649.00

Vixen NA140SS Telescope
Vixen R200SS PH Fast 8 Newtonian Astrograph with Built-in Wynne Corrector

£1,999.00

Based on the excellent R200SS f4.0 Newtonian reflector telescope, this astrograph includes a built-in Wynne-type PH Corrector to deliver pin-sharp, coma-free images across the entire field of view.
Vixen R200SS Telescope

£1,199.00

Vixen R200SS Telescope
Vixen SD103S Telescope

£1,649.00

The New Vixen SD 103
Vixen SD115S Telescope

£2,399.00

The New Vixen SD115S Telescope
Vixen SD81S Telescope

£999.00

The New Vixen SD81S Telescope
Vixen VC200L Telescope

£1,399.00

Vixen VC200L Telescope
Vixen VMC200L Telescope

£959.00

Vixen VMC200L Telescope
Vixen VSD100 f3.8 Ultra Fast Astrograph

£5,199.00

An ultra-fast refractor designed for discerning astrophotographers