Optical tubes

Showing 73-96 of 218 item(s)

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Askar Sharpstar Z4 100 mm f/5.5 Apo flat field 6-element

2,272.69 VAT excl.

Askar Sharpstar Z4 100mm f/5.5 Apo 6-element flat fieldThis telescope is ideal for capturing stunning wide-field images of the deep sky in a 36mm image circle (APS-C). Sextile refractor with 100 mm aperture and f/5.5 focal ratioFlat field across a 36 mmimage circleTwo ED elements virtually eliminate chromatic aberration3.4" dual-speed rotating focuser,...

Stock at Supplier

Deliver it 26/33 days

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Planewave Instruments

PlaneWave Instruments CDK12.5 F/8 astrograph with fused silica optics

PWI1323212Q

13,361.12 VAT excl.

Stock at Supplier

Deliver it 17/24 days

ED Apochromatic Refractor Tubes

Askar

Quintuplet astrograph telescope Askar SQA85 85mm f/4.8

ASKAS-SQA85

2,355.33 VAT excl.

Stock at Supplier

Deliver it 26/33 days

$Tubo Refractor apocromático...$

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William Optics

Tubo Refractor apocromático WILLIAM OPTICS AP 51/250 RedCat WIFD

WO82930

908.22 VAT excl.

Stock at Supplier

Deliver it 18/25 days

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Takahashi

Takahashi FS-60CP (OTA)

TAKTSK06410

920.66 VAT excl.

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Deliver it 24/31 days

$Refractor Aprocromático...$

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Askar

Refractor Aprocromático ASKAR 203APO

ASK203APO

7,851.20 VAT excl.

Stock at Supplier

Deliver it 26/33 days

Ritchey-Chrétien tubes

Ritchey-Chrétien telescope TS-Optics 10" f/6.4 with flattener - Carbon Truss

TKSTSRC10T64

3,636.32 VAT excl.

Ritchey Chretien Astrograph with 250 mm aperture with corrector and fast focal ratio of f/6.4 for astrophotography with sensors up to full frame format Aperture 250 mm / focal length 1625.5 mm / focal ratio f/6. 4 High-quality 3" rack and pinion focuser with internal corrector and 360° rotation - everything is screwed in place Quartz glass primary...

Stock at Supplier

Deliver it 14/21 days

Reflector Tubes

Tubo óptico Newton TS-Optics 12" f/4 UNC con espejo principal de cuarzo fundido y tubo...

TKSUNC30512

2,099.13 VAT excl.

Stock at Supplier

Deliver it 14/21 days

ED Apochromatic Refractor Tubes

ZWO

Telescope Astrógrafo Cuadruplete ZWO FF130 APO

ZWOZWFF130-APO

3,140.46 3,214.88 -74.42 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 18/25 days

ED Apochromatic Refractor Tubes

ZWO

Telescope Astrógrafo Cuadruplete ZWO FF80 APO

ZWOFF80-APO

1,363.60 1,404.13 -40.54 VAT excl.

The ZWO FF80 is a professional flat field apochromatic Petzval quadcopter with a focal ratio of f/7.5 and an image circle diameter of 44 mm.

Stock at Supplier

Deliver it 18/25 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

Out-of-Stock

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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!!!!

Out-of-Stock

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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

Out-of-Stock

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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.

Stock at Supplier

Deliver it 26/33 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.

Stock at Supplier

Deliver it 26/33 days

ED Apochromatic Refractor Tubes

Skywatcher

Black Diamond ED80 SkyWatcher Black Diamond ED80 Refractor Tube

SKWSW0089

428.88 492.56 -63.68 VAT excl.

ED 80 Black Diamond refractor tube with O'Hara FPL-53 optics. The telescope is supplied with rings and dovetail.

Stock at Supplier

Deliver it 18/25 days

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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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 14/21 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.

Stock at Supplier

Deliver it 14/21 days

ED Apochromatic Refractor Tubes

Skywatcher

SKYWATCHER EVOLUX 82ED Refractor Optical Tube with Case

SKWSWSW0470

607.39 615.70 -8.31 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...

Stock at Supplier

Deliver it 18/25 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 18/25 days

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 14/21 days

ED Apochromatic Refractor Tubes

ZWO

Quintuplet Astrograph Telescope ZWO FF65-APO

ZWOZWFF65-APO

859.46 876.03 -16.57 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 18/25 days

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.

Stock at Supplier

Deliver it 17/24 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