Optical tubes

Showing 73-96 of 241 item(s)

ED Apochromatic Refractor Tubes

Askar

ASKAR 60F Flat-Field Refractor Telescope

ASKASKAR60F

495.00 VAT excl.

Compact, ultra-portable and powerful quadruple astrograph with field flattening.

Stock at Supplier

Deliver it 25/32 days

$Apochromatic Refractor...$

Astronomical telescopes

Askar

Apochromatic Refractor Telescope Askar 91F Flat-Field

ASKASKAR91F

983.43 VAT excl.

Quadcopter astrograph (flat field) for visual observation and advanced astrophotography.

Stock at Supplier

Deliver it 25/32 days

Ritchey-Chrétien tubes

Ritchey-Chrétien Astrograph optical tube TS-Optics GSO RC 10" f/8 truss type with...

TKSTSRC10T

2,561.95 2,891.74 -329.79 VAT excl.

The TS-Optics GSO Ritchey-Chrétien 10" f/8 is a telescope designed for advanced astrophotography, with a corrected field ideal for large sensors and a carbon truss tube construction that guarantees maximum rigidity and focusing stability. Aperture: 250 mm (10") Focal length: 2000 mm - f/8 RC optics with hyperbolic mirrors for sharp, coma-free...

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Deliver it 15/22 days

Optical tubes

Planewave Instruments

Planewave astrograph tube CDK14 f/7.2 Series5

PWI1323214S

PlaneWave Instruments' CDK14 combines precision engineering and innovation, designed for the dedicated astrophotographer and discerning astronomer. With its advanced technology and meticulous design, the CDK14 delivers high quality images for a variety of advanced scientific and observational applications.

Deliver it 16/23 days

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ED Apochromatic Refractor Tubes

Skywatcher

SkyWatcher 80EDX Evostar APO EDX SkyWatcher 80EDX refractor optical tube

SKWSW0504

404.91 433.88 -28.97 VAT excl.

Apochromatic telescope ideal for planetary observation and deep sky astrophotography. Equipped with a double ED objective lens (Hoya, Japan), it offers sharp, high-contrast optics. With an f/7.5 focal ratio, 2.6" Crayford focuser with 10:1 double speed and 360° rotation. Excellent value for money compared to the previous EvoStar ED version.

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Deliver it 17/24 days

Reflector Tubes

Artesky

Optical tube Newton Astrograph ARTESKY ARTEC 250 E F/4.5

AKYARTEC250E

5,618.97 VAT excl.

The ARTEC 250 is a Newtonian astrograph with an aperture of 250 mm, entirely manufactured in Italy by qualified technicians. It is an excellent addition to the ARTEC range, offering a highly refined and robust instrument. With a native focal ratio of f/4.0, the system incorporates a quartz parabolic primary mirror, coated with aluminum for a reflectivity...

Stock at Supplier

Deliver it 18/25 days

ED Apochromatic Refractor Tubes

Skywatcher

SkyWatcher SkyWatcher ESPRIT 70EDX APO Refractor Optical Tube

SKWSW0508

710.70 735.54 -24.83 VAT excl.

Ideal for deep sky photography thanks to its f/7 focal ratio. Optical tube equipped with triplet ED glass (Hoya, Japan). 2.7" Linear Power focusing system with 11:1 demultiplication. 360° rotating focuser. Better value for money compared to the previous Esprit ED version. Includes carrying case. Optional corrector/flattener.

Stock at Supplier

Deliver it 17/24 days

ED Apochromatic Refractor Tubes

Skywatcher

SkyWatcher 100EDX Evostar APO EDX SkyWatcher 100EDX Refractor Tube Optics

SKWSW0505

524.75 577.69 -52.93 VAT excl.

Apochromatic refractor ideal for planetary observation and deep sky photography.High quality ED glass doublet lens (HOYA, Japan).Focal ratio as low as f/7 to capture bright, detailed images.Crayford 2.6" Dual Speed focuser with 10:1 reduction for precise adjustments.360° rotating focuser for comfortable framing.Better value for money than the previous...

Available at the end of 2025. PRE-ORDERS accepted

Deliver it 25/32 days

ED Apochromatic Refractor Tubes

Skywatcher

SkyWatcher ESPRIT 80EDX APO SkyWatcher Refractor Tube Optics

SKWSW0509

814.01 825.62 -11.61 VAT excl.

Ideal for deep sky astrophotography thanks to its fast focal ratio of f/5.Triplet apochromatic lens with high quality ED glass (Hoya - Japan) that minimizes chromatic aberrations.2.7" Linear Power focusing system with 11:1 reduction ratio for precise adjustment.360° rotatable eyepiece holder for comfortable and flexible framing.Better value for money than...

Stock at Supplier

Deliver it 17/24 days

ED Apochromatic Refractor Tubes

Skywatcher

SkyWatcher ESPRIT 100EDX APO SkyWatcher Refractor Tube Optics

SKWSW0510

1,156.16 1,219.01 -62.85 VAT excl.

Sky-Watcher Esprit 100EDX optical tube, ideal for deep sky photography thanks to its focal ratio f/5.5. It incorporates a triplet with high quality ED glass (Hoya, Japan) for sharp, chroma-free images. Features a Linear Power 3" focusing system with 11:1 reduction and a 360° rotating eyepiece holder. Includes carrying case and is more competitively priced...

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Deliver it 17/24 days

ED Apochromatic Refractor Tubes

Skywatcher

SkyWatcher SkyWatcher ESPRIT 120EDX APO Refractor Optical Tube

SKWSW0511

1,818.14 1,900.00 -81.86 VAT excl.

🔹 S ky-Watcher Esprit ED large diameter apochromatic optical tube Triplet apochromatic with high quality ED glass Hoya (Japan) Ideal for deep sky astrophotography due to f/7 focal ratio 3" Linear Power Focuser with 11:1 reduction for maximum precision 360° rotating focuser for comfortable framing in astrophotography More competitively priced...

Stock at Supplier

Deliver it 17/24 days

ED Apochromatic Refractor Tubes

Skywatcher

SkyWatcher ESPRIT 150EDX APO SkyWatcher Refractor Tube Optics

SKWSW0512

2,718.96 2,801.65 -82.69 VAT excl.

sky-Watcher Esprit 150EDX - Triplet ED apochromatic optical tube (Hoya, Japan) Large diameter, ideal for detailed visual observation and advanced astrophotography Triplet apochromatic lens with ED glass Hoya (Japan): sharp, chroma-free images Excellent for deep sky photography with f/7 focal ratio Robust and precise3" Linear Power Focuser with...

Stock at Supplier

Deliver it 17/24 days

ED Apochromatic Refractor Tubes

Skywatcher

SkyWatcher 120EDX Evostar APO EDX SkyWatcher 120EDX Refractor Tube Optics

SKWSW0506

776.82 847.11 -70.29 VAT excl.

SkyWatcher Evostar ED Telescope - High optical performance with Japanese ED doubletLarge diameter apochromatic telescope, perfect for planetary and deep sky observation. Its doublet objective with ED glass Hoya (Japan) guarantees excellent color correction and high contrast imaging. Ideal for deep sky astrophotography, thanks to its f/7.5 focal ratio. It...

Stock at Supplier

Deliver it 17/24 days

ED Apochromatic Refractor Tubes

Skywatcher

SkyWatcher 150EDX Evostar APO EDX SkyWatcher 150EDX Refractor Tube Optics

SKWSW0507

1,793.35 1,942.15 -148.80 VAT excl.

Large diameter ideal for planetary and deep sky observation.Doublet lens with ED glass Hoya (Japan) for excellent chromatic correction.Perfect for deep sky astrophotography thanks to its f/8 focal ratio.3" Crayford focuser with 10:1 double speed for precise and smooth focusing.360° rotating focuser, ideal for finding the perfect framing.New model with...

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Deliver it 17/24 days

Schmidt Rowe-Ackerman tubes

Celestron

Telescope Celestron Origin Mark II The CEL12100 Smart Observatory

CEL12100

4,379.34 VAT excl.

Welcome to a new era in modern astronomy. The Celestron Origin Mark II Intelligent Home Observatory Telescope redefines astronomical observation and astrophotography, uniting the power of a professional observatory with the convenience of a fully automated, easy-to-use system. In a matter of seconds, this telescope captures spectacular images of nebulae,...

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Deliver it 21/28 days

Optical tubes

Omegon

Telescope Omegon Ritchey-Chretien Pro RC 406/3250 Truss OTA

OME53815

5,784.30 VAT excl.

RC Truss Carbon Telescope from Omegon: professional astrophotography for your observatory your passion is astrophotography and you are looking for the perfect telescope for your observatory? Ritchey-Chrétien telescopes combine a large optical mirror tube with near-perfect image quality. A pair of hyperbolic mirrors ensures a wide, well illuminated field...

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Deliver it 16/23 days

Reflector Tubes

Artesky

Optical tube Newton Astrograph ARTESKY ARTEC 250 EZ F/4.5 compatible with ASIAIR

AKYARTEC250EZ

5,784.26 VAT excl.

The ARTEC ARTESKY 250EZ is a 200 mm Newtonian astrograph, the perfect introduction to the ARTEC range. It is a high-end telescope, entirely manufactured in Italy by skilled technicians with meticulous attention to every detail. Weighing 19 kg, the ARTEC 250EZ is fully optimized for use with harmonic mounts.

Stock at Supplier

Deliver it 18/25 days

Reflector Tubes

Newton optical tube TS-Optics 12" f/4 UNC with fused quartz main mirror and carbon tube

TKSUNC30512

2,099.13 VAT excl.

Newtonian telescope with 12" aperture and 1200 mm focal length - individually optimized for your needs, with one of the best 12" mirrors we know of. The UNC series from Teleskop Service is THE alternative to the Newtonians of the Far East, but also to the high-end and expensive instruments. 305 mm aperture | 1200 mm focal length | f/4 Selected quality...

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Deliver it 15/22 days

ED Apochromatic Refractor Tubes

Explore Scientific

EXPLORE SCIENTIFIC ED APO 127mm f/7.5 FCD-1 Alu 2'' R&P refractor tube

EXS0112132

1,528.06 VAT excl.

The three-lens design of the EXPLORE SCIENTIFIC ED-Apochromats provides everything an amateur astronomer desires at a reasonable price. Hoya FCD001 ED glass construction: Three-lens air-spaced ED apochromatic Focuser with 10:1 reduction Tuberings with handle included - the handle has a mounting location for cameras 2'' 99% star diagonal with reflectivity

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Deliver it 16/23 days

ED Apochromatic Refractor Tubes

Askar

Triplet Astrograph Telescope Askar APO 120 mm f/7.0

ASKAS-120APO

1,652.02 VAT excl.

It will be manufactured to order, so the lead time may differ from that indicated

Deliver it 25/32 days

ED Apochromatic Refractor Tubes

Askar

Astrograph Tube Askar 151PHQ Flatfield APO

ASKAS151PHQ

4,461.94 VAT excl.

The 151PHQ is a flat field, long focal ratio astrograph. Instead of buying additional flattener, calculating flattener back-focus or making tedious connections to adjust the distance, astrophotographers can simply equip it with any imaging device possible, making the lens stay in focus for a perfect optical system for imaging.

Stock at Supplier

Deliver it 25/32 days

ED Apochromatic Refractor Tubes

ZWO

Quintuplet Astrograph Telescope ZWO FF65-APO

ZWOZWFF65-APO

702.47 876.03 -173.56

VAT excl.

The ZWO FF65 APO is a refractive astrograph with a powerful flat field optical design that saves you the costly expense of a field flattener.

Stock at Supplier

Deliver it 17/24 days

ED Apochromatic Refractor Tubes

ZWO

Telescope Astrógrafo Cuadruplete ZWO FF130 APO

ZWOZWFF130-APO

2,661.15 3,214.88 -553.73

VAT excl.

The ZWO FF130 is a professional flat field apochromatic Petzval quadruple Petzval with a focal ratio of f/7.7 and an image circle of 60 mm in diameter.

Stock at Supplier

Deliver it 17/24 days

ED Apochromatic Refractor Tubes

Askar

Modular apochromatic telescope Askar V 60mm and 80mm

AKSASKAR-V

1,859.46 VAT excl.

This photo apochromatic has not only two objective lenses (80 mm and 60 mm), but also three accessories (reducer, extender and flattener). Users can choose and adapt the accessories according to their needs in terms of focal lengths.

Stock at Supplier

Deliver it 25/32 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