Optical tubes

Showing 25-48 of 241 item(s)

ED Apochromatic Refractor Tubes

Quintuplet astrograph telescope Askar FRA500 90mm f/5.6

1,859.46 1,982.64 -123.18 VAT excl.

Sharpstar's quintuplet apochromatic ASKAR APO 90 mm f/5.6 is optimized for astrophotography with high-resolution cameras

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Deliver it 27/34 days

ED Apochromatic Refractor Tubes

Askar

Super APO quadruplet astrograph telescope Askar 80PHQ 80mm F/7.5 flat-field astrograph...

ASKAS80PHQ

1,486.74 VAT excl.

The 80PHQ is a highly transportable APO refractor for flat field astrophotography up to full frame format and for observing up to the highest magnification range.

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Deliver it 27/34 days

$APO Refractor Telescope...$

ED Apochromatic Refractor Tubes

APO Refractor Telescope TS-Optics Doublet SD 102mm f/7 - FPL53 with Lanthanum Objective

TKSTSAPO102F7

838.81 921.45 -82.64 VAT excl.

This Photoline 102/714 mm apochromatic has a great FPL53 / Lanthan lens for very good color correction and one of the best 2.5" R&P focusers in this class.

Stock at Supplier

Deliver it 15/22 days

ED Apochromatic Refractor Tubes

Telescope TS-Optics Photoline 140 mm f/6.5 Super Triplet Apo with 2 ED elements

TKSTSAPO140

3,899.96 4,118.18 -218.22 VAT excl.

New 140mm f/6.5 apochromatic triplet TS convinces with a pure color image and a powerful 4" RAP focuser. oFFER ONLY VALID UNTIL END OF STOCK!!!!

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ED Apochromatic Refractor Tubes

Askar

ASKAR FRA300 pro 60MM F/5 QUINTUPLETE ASTRESCOPIC TELESCOPIC QUINTUPLETE ASKAR FRA300...

ASKFRA300

908.23 990.87 -82.64 VAT excl.

ASKAR FRA300 pro 60MM F/5 QUINTUPLET ASTROPHOTO TELESCOPE. Sharpstar's ASKAR APO 60mm f/5 Quintuplet Apochromat is optimized for large field astrophotography with high resolution cameras ♦ 60mm aperture♦ 300mm focal length / f/5 aperture ratio♦ 5-element quintuplet design with in-tube corrector

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Deliver it 27/34 days

ED Apochromatic Refractor Tubes

Askar

APO telephoto APO lens Askar ACL200 Gen2 200mm f/4 for astrophotography

ASKACL200

818.14 VAT excl.

The ACL200 from Askar is a professional apochromatic telephoto lens with very good correction and all the possibilities of a manual telephoto lens for full frame cameras

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ED Apochromatic Refractor Tubes

Celestron

ED CELESTRON ONYX 80 EDF Refractor Telescope ED CELESTRON ONYX 80 EDF

CEL52285

578.47 VAT excl.

The CELESTRON ONYX 80 EDF is an ED refractor with FPL-51 doublet objective manufactured by William Optics exclusively for Celestron. It is a lightweight, portable, low-cost ED refractor with a sleek design and CELESTRON's quality guarantees.

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ED Apochromatic Refractor Tubes

Vixen

Tube Vixen Apochromatic refractor SD115S

X000063

2,478.48 2,561.12 -82.64 VAT excl.

The Vixen SD103S is a new high-performance Super ED apochromatic that produces sharp, high-contrast images and true colors.

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Deliver it 16/23 days

Ritchey-Chrétien tubes

Optical tube Ritchey-Chrétien TS-GSO RC 12" f/6.4 with corrector and carbon truss

TKSTSRC12T64

4,462.77 VAT excl.

We are pleased to offer you an exciting instrument for the dedicated astrophotographer with this Ritchey-Chrétien telescope. The telescope is built by GSO for TS to your specifications. We selected very good optics for this series and used a better focuser. A fundamental part of the astrograph is the full frame field corrector, which is integrated in the...

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Deliver it 15/22 days

ED Apochromatic Refractor Tubes

William Optics AP 73/430 Super ZenithStar 73 Red OTA Apochromatic refractor telescope

WO56413

709.92 734.71 -24.79 VAT excl.

The ZenithStar series from William Optics consists of compact, but very high quality apochromats that are ideal for use with a DSLR camera. With them, very good wide-angle images of large star fields can be achieved. In combination with the optional flattener, a corrected field of view of 45 millimeters in diameter is obtained.

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Deliver it 15/22 days

ED Apochromatic Refractor Tubes

Skywatcher

SKYWATCHER EVOLUX 82ED Refractor Optical Tube with Case

SKWSWSW0470

533.02 615.70 -82.68

VAT excl.

The Evolux ED series from Skywatcher has been designed with the astrophotographer in mind who is looking for a lightweight, high performance optical tube. With ED doublet and multi-coated with 99.5% transmission, double speed rack and pinion focuser and dovetail mount attachment Vixen. A 0.9x reducer/flattener with manual field rotator is available as an...

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Deliver it 19/26 days

ED Apochromatic Refractor Tubes

Skywatcher

SKYWATCHER EVOLUX 62ED Refractor Optical Tube with Case

SKWSW0469

329.71 VAT excl.

The Evolux ED series from Skywatcher has been designed with the astrophotographer in mind who is looking for a lightweight, high performance optical tube. With double ED doublet and multi-coated with 99.5% transmission, double speed rack and pinion focuser and dovetail mount attachment Vixen. A 0.9x reducer/flattener with manual field rotator is available...

Stock at Supplier

Deliver it 19/26 days

Expert astronomical telescopes

SHARPSTAR

Sharpstar 130 mm f / 2.8 hyperbolic astrograph telescope with carbon tube and corrector

SHA13028HNT

1,842.93 1,983.43 -140.50 VAT excl.

Sharpstar 130 mm f / 2.8 hyperbolic astrograph telescope with carbon tube and corrector

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Reflector Tubes

Newton telescope TS-Optics 8" f/4 UNC with Carbon Fiber

TKSUNC2008

1,285.08 VAT excl.

Newtonian telescope with 8" aperture and 800 mm focal length - individually optimized for you, including a high-quality 2" rack and pinion focuser.

Stock at Supplier

Deliver it 15/22 days

ED Apochromatic Refractor Tubes

Askar

APO telephoto lens Askar 230mm f/4.6 or hand-held refractor or guide tube or spotting...

ASKFMA230

742.93 VAT excl.

With the FMA230, Askar has created a powerful APO triplet refractor with unique visual and photographic application possibilities. It can be used as a telephoto APO, as a portable astrograph refractor, as a guide tube or even as a spotting scope for ornithological digiscoping.

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Deliver it 27/34 days

Ritchey-Chrétien tubes

Ritchey-Chrétien optical tube TS-GSO RC 12 Truss

TKSGSRC12Truss

3,462.77 VAT excl.

Telescope TS-GSO 12" f/8 with Ritchey-Chrétien optical design. The best priced astrograph on the market with carbon fiber Truss format. Included in the box: RC 12" f/8 astrograph 3" focuser with speed reduction 1:10 Reducer from 2" to 1.25"

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Deliver it 15/22 days

Expert astronomical telescopes

SHARPSTAR

Sharpstar 150 mm f / 2.8 hyperbolic astrograph telescope with carbon tube and corrector

SHA15028HNT

2,033.05 VAT excl.

Sharpstar 150 mm f / 2.8 hyperbolic astrograph telescope with carbon tube and corrector

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ED Apochromatic Refractor Tubes

Skywatcher

Sky-Watcher Esprit 100ED Pro apochromatic refractor telescope with EQ6-R

SKWSW0438

2,698.30 3,619.83 -921.53

VAT excl.

Sky-Watcher Esprit 100ED Pro apochromatic refractor telescope with EQ6-R. The German SKYWATCHER equatorial mounts with the integrated SynScan system are high-quality observing and photography platforms with carefully designed mechanics and electronics.

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Deliver it 19/26 days

$ED refractor telescope TS...$

ED Apochromatic Refractor Tubes

ED refractor telescope TS 110 mm f / 7

TKSTSED110f7

1,007.40 1,015.83 -8.43 VAT excl.

Our telescope TS ED Apo 110/770 mm convinces with a high degree of color correction and a wide photographic field for full-format DSLR cameras. The APO TS ED is the new generation of refractors specially designed for impressive deep sky imaging

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Deliver it 15/22 days

ED Apochromatic Refractor Tubes

Skywatcher

Sky-Watcher EvoStar 150ED Apochromatic dual speed telescope

SKWSW0421

1,541.28 1,975.21 -433.93

VAT excl.

Sky-Watcher EvoStar 150ED Apochromatic dual speed telescope. This is the largest diameter ED refractor of the brand, ideal for astronomers looking for a versatile instrument for both planetary and deep sky observation! Thanks to its focal ratio of f/8, it even allows the practice of astrophotography. With this instrument, nebulae and galaxies will also be...

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Deliver it 19/26 days

ED Apochromatic Refractor Tubes

William Optics RedCat 51 Flatfield APO 51/250 mm RedCat 51 Flatfield APO 51/250 mm...

TKSTSL-RC51

999.95 1,008.26 -8.31 VAT excl.

William Optics RedCat 51 Flatfield APO 51/250 mm telescope. This William Optics RedCat 51 apochromatic refractor is intended for all astrophotographers and nature photographers who are looking for a transportable, compact telephoto lens of the highest quality. Due to the 4-element Petzval design, a fully corrected image field of 44 mm diameter is achieved...

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Deliver it 15/22 days

Schmidt Rowe-Ackerman tubes

Celestron

Telescope Astrograph Celestron Rowe-Ackermann Schmidt 14"

CEL91078

19,487.56 19,985.12 -497.56 VAT excl.

New CELESTRON ROWE-ACKERMANN Schmidt 14" astrograph. The largest f/2.2 telescope with flat field of Celestron. It is the largest and fastest (f/2.2.2) optical instrument of its type available on the market. Unlike most telescopes, which only focus visible light (400-700 nm), the 36 cm RASA focuses an extended spectral range (400-900 nm).

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Deliver it 21/28 days

$SkyWatcher 90/900 Refractor...$

Achromatic Refractor Tubes

Skywatcher

SkyWatcher 90/900 Refractor Telescope

SKWSW0431

136.33 161.12 -24.79 VAT excl.

This fantastic Sky-Watcher 90/900 tube is one of the most versatile small diameter refractors, offering good contrast for viewing the Moon and planets without annoying chromaticism. It's a fantastic guide tube as well. Thanks to its 900mm focal length it would allow you to guide photographic tubes up to 2700mm.

Stock at Supplier

Deliver it 19/26 days

$Refractor Telescope...$

ED Apochromatic Refractor Tubes

Skywatcher

Refractor Telescope Skywatcher EVOSTAR 150ED Deluxe Black Diamond Dual Speed

SKWSW0440

2,479.30 2,801.65 -322.36 VAT excl.

Apochromatic telescope Skywatcher EVOSTAR 150ED with 150mm diameter and 1200mm focal length in its Deluxe version. Double speed rack and pinion focuser with precision microfocuser with 1/10 reduction, rings and dovetail type Losmandy for adaptation to the mount. Includes carrying case.

Stock at Supplier

Deliver it 19/26 days

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Optical tubes

Reflector Tubes

Achromatic Refractor Tubes

ED Apochromatic Refractor Tubes

Coma-free Schmidt-Cassegrain tubes

Schmidt-Cassegrain tubes

Maksutov-Cassegrain pipes

Schmidt-Newton tubes

Ritchey-Chrétien tubes

Dall-Kirkham Tubes

Riccardi-Honders Tubes

Schmidt Rowe-Ackerman tubes