Optical tubes

Showing 73-96 of 218 item(s)

ED Apochromatic Refractor Tubes

Askar

Triplet astrograph tube Askar 185 APO

ASKAS-185APO

5,289.21 5,536.32 -247.11 VAT excl.

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

Deliver it 27/34 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 16/24 days

ED Apochromatic Refractor Tubes

Askar

Triplet astrograph tube Askar 140 APO

ASKAS-140APO

2,478.47 VAT excl.

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

Deliver it 27/34 days

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Takahashi

Optical tube Takahashi FS-60Q (tube only without accessories)

TAKTSK06310

1,004.13 VAT excl.

Stock at Supplier

Deliver it 22/30 days

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Takahashi

Optical tube Takahashi FS-60Q (complete tube with accessories)

TAKTSK06300NR

1,317.36 VAT excl.

The Takahashi FOA-60Q refractor has been designed to provide a compact instrument capable of exceptional visual performance, similar to that achieved by the TOA series, a true reference in this field. Equipped with a doublet of fluorite apochromatic lenses with an F/D ratio of 15, the FOA-60Q will satisfy the most demanding amateurs. It is still very...

Stock at Supplier

Deliver it 22/30 days

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William Optics

William Optics AP 73/430 Super ZenithStar 73 Gold Apochromatic Refractor Telescope

WO56414

709.92 734.71 -24.79 VAT excl.

Stock at Supplier

Deliver it 16/24 days

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Askar

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

ASKASZ4

2,185.95 2,285.95 -100.00 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 27/34 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 15/22 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 27/34 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 16/24 days

ED Apochromatic Refractor Tubes

ZWO

Telescope Astrógrafo Cuadruplete ZWO FF107 APO

ZWOZWFF107-APO

2,086.74 2,140.50 -53.76 VAT excl.

The ZWO FF107 is a professional flat field apochromatic Petzval quadruple Petzval with a focal ratio of f/7 and an image circle diameter of 44 mm.

Stock at Supplier

Deliver it 16/24 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 16/24 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

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 16/24 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

Out-of-Stock

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Takahashi

Takahashi FS-60CP (OTA)

TAKTSK06410

920.66 VAT excl.

Stock at Supplier

Deliver it 22/30 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 27/34 days

ED Apochromatic Refractor Tubes

Skywatcher

SkyWatcher ED Black Diamond ED120 PRO dual speed SkyWatcher Refractor Tube ED120 PRO...

SKWSW0091

1,487.56 1,586.78 -99.21 VAT excl.

The apochromatic ED refractor tubes of the BLACK DIAMOND series represent a range of SkyWatcher refractor telescopes with a well-corrected field and highly corrected chromatic aberration.

Stock at Supplier

Deliver it 16/24 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.

Out-of-Stock

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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...

Stock at Supplier

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 16/24 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!!!!

Out-of-Stock

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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 27/34 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