Optical tubes

The largest selection of telescopes optical tubes that allow you to observe and to photograph the Universe with powerful, easy to use instruments perfect also for astrophotography thanks to the integration with our EAGLE, ESATTO, SESTO SENSO, ARCO and ECCO. Telescopes are available with different optical scheme: achromatic and apochromatic refractors, Newtons, Schmidt-Cassegrains, Aplanatic Schmidt-Cassegrains, Dall-Kirkhams, Ritchey-Chretiens, Maksutov-Cassegrains, astrographs.

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Officina Stellare RiDK 400...
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€19,147.54
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Officina Stellare RiDK 400 f7 is the modified Dall-Kirkham telescope with 400mm diameter and 2800mm focal length that provides large corrected image circle and long backfocus, together with the high load capacity ESATTO 4" robotic focuser! Thanks to 298mm backfocus from telescope rear cell, you still have 198.5mm focus extraction after the focuser, so you...
SkyWatcher EVOLUX 62 ED...
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€865.57
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SkyWatcher EVOLUX 62 ED is an apochromatic refractor, ED doublet 62mm f/6.5, lightweight and portable. Thanks to SESTO SENSO 2 and to the optional field flattener, it's perfect for wide field astrophotography of deep-sky object! Available starting May.
Celestron RASA...
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€2,685.25
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Celestron RASA Rowe-Ackermann Schmidt 8" with SESTO SENSO is the compact astrograph 203mm f2 that allows you to make wide field astrophotography of deep-sky objects in a short time! Thanks to SESTO SENSO you can control the focus, also remotely.
GSO Ritchey-Chretien 152mm...
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GSO Ritchey-Chretien 152mm f/9 with metal tube and SESTO SENSO is the most compact and lightweight Ritchey-Chretien telescope, perfect if you're looking for a portable instrument, even for travel! Thanks to SESTO SENSO you can focus without touching the focuser, both thanks to the included virtual keyboard or with a computer like the EAGLE.
SkyWatcher Newton 150/750...
In Stock
Newton reflectors

SkyWatcher Newton 150/750 f5 with SESTO SENSO

SKBK150750-DSFSS_
€596.72
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SkyWatcher Newton 150/750 f5 with SESTO SENSO is the most compact and lightweight 150mm diameter f/5 telescope that, thanks to the most advanced focusing motor, is great both for visual use (you can focus also without a computer by using the included Virtual HandPad) and for astrophotography (by connecting SESTO SENSO 2 to the EAGLE or to a Windows...
Celestron EdgeHD 8" with...
Not available
Aplanatic Schmidt-Cassegrain

Celestron EdgeHD 8" with Vixen bar and ESATTO 2"

CE91031-XLTEST3_
€2,306.56
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Celestron EdgeHD 8" telescope with Vixen bar is a compact aplanatic Schmidt-Cassegrain telescope 203mm f/10 that, thanks to the ESATTO 2" microfocuser, becomes excellent for any application! It's perfect also for remote control since the ESATTO allows you to focus even with the primary mirror locked to eliminate image shift.
GSO Ritchey-Chretien 203mm...
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GSO 203mm f/8 Ritchey-Chretien with metal tube is a great compact telescope for long exposure astrophotography and it uses and ESATTO 2" robotic microfocuser to perfectly focus also heavy cameras and accessories. Thanks to the optional corrector it offers a large corrected field.
Officina Stellare RiDK 500...
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Not available
€31,008.20
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Officina Stellare RiDK 500 f7 is the reference point for all modified Dall-Kirkham instruments available on the market, probably the most "universal" family in Officina Stellare catalog, and the most affordable. The unique experience and creativity of Massimo Riccardi, Chief Optical Designer at Officina Stellare, created this new family of telescopes....
SkyWatcher EVOLUX 82 ED...
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€1,172.13
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SkyWatcher EVOLUX 82 ED is an apochromatic refractor, ED doublet 82mm f/6.5, powerful but still compact. Thanks to SESTO SENSO 2 and to the optional field flattener, it's perfect for wide field astrophotography of deep-sky object! Available starting May.
Celestron Rowe-Ackermann...
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€4,522.95
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Celestron RASA Rowe-Ackermann Schmidt 11" with SESTO SENSO is the powerful astrograph 280mm f2.2 that allows you to make wide field astrophotography of deep-sky objects in a short time! Thanks to SESTO SENSO you can control the focus, also remotely.
SkyWatcher Newton 200/1000...
In Stock
Newton reflectors

SkyWatcher Newton 200/1000 f5 with SESTO SENSO

SKBKP2001-DSFSS_
€671.31
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SkyWatcher Newton 200/1000 f5 with SESTO SENSO is 200mm f/5 telescope offering a large diameter and the SESTO SENSO 2 robotic focusing motor at a great price. It's the perfect solution if you're searching for a great instrument both for visual and photographic use.
Celestron EdgeHD 8" with...
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Aplanatic Schmidt-Cassegrain

Celestron EdgeHD 8" with Losmandy bar and ESATTO 2"

CE91030-XLTEST2_
€2,306.56
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Celestron EdgeHD 8" telescope with Losmandy bar is a compact aplanatic Schmidt-Cassegrain telescope 203mm f/10 that, thanks to the ESATTO 2" microfocuser, becomes excellent for any application! It's perfect also for remote control since the ESATTO allows you to focus even with the primary mirror locked to eliminate image shift.
Celestron C8-XLT with...
Not available
Schmidt-Cassegrain

Celestron C8-XLT with dovetail Vixen type and ESATTO 2"

CE91020-XLTEST2_
€1,854.92
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Celestron C8-XLT with dovetail Vixen type, one of the most used telescopes in the world, is now more precise thanks to the ESATTO 2" robotic microfocuser that eliminates the image shift typical of Schmidt-Cassegrains! This telescope is 203mm in diameter (f/10) and it's compact, lightweight and easy to collimate.
Celestron C8-XLT with...
Not available
€1,854.92
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Celestron C8-XLT with dovetail Losmandy type, one of the most used telescopes in the world, is now more precise thanks to the ESATTO 2" robotic microfocuser that eliminates the image shift typical of Schmidt-Cassegrains! This telescope is 203mm in diameter (f/10) and it's compact, lightweight and easy to collimate.
GSO Ritchey-Chretien 203mm...
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GSO Ritchey-Chretien 203mm f/8 with carbon fiber tube and ESATTO 2" is a great telescope for astrophotography also with heavy cameras and accessories thanks to the ESATTO 2" microfocuser! Low weight and compact dimensions make it easily portable.
SkyWatcher Newton 254/1200...
In Stock
Newton reflectors

SkyWatcher Newton 254/1200 f4,7 with SESTO SENSO

SKBKP25012-DUALSS_
€827.87
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SkyWatcher Newton 254/1200 f4,7 with SESTO SENSO is is the large 254mm diameter telescope perfect also for deep-sky objects observations that, thanks to SESTO SENSO 2 motor, you can focus precisely and without vibrations. Fast focal ratio makes it great also for astrophotography.
SkyWatcher EVOSTAR 72 ED...
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€603.28
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SkyWatcher EVOSTAR 72 ED with SESTO SENSO is the 72mm f5.8 apochromatic refractor very compact, lightweight and with a low price that comes with the most advanced focusing motor. Perfect also for those looking for a travel telescope with compact mounts.
Celestron EdgeHD 9.25" with...
Not available
Aplanatic Schmidt-Cassegrain

Celestron EdgeHD 9.25" with Losmandy bar and ESATTO 2"

CE91040-XLTEST2_
€3,542.62
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Celestron EdgeHD 9.25" telescope with Losmandy bar is an aplanatic Schmidt-Cassegrain telescope 235mm f/10 that offers high performance, even better with the ESATTO 2" microfocuser! It's perfect also for remote control since the ESATTO allows you to focus even with the primary mirror locked to eliminate image shift.
Officina Stellare Veloce...
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€7,889.34
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Officina Stellare Veloce RH 200 (Riccardi-Honders) athermal astrograph offers a fast f/3 focal ratio combined with a large corrected field. Veloce in Italian means fast, to indicate its primary vocation: to be a great astrograph capable of stunning performance. Officina Stellare Veloce RH 200 has 200mm of clear aperture and a focal length of 600mm. Its...
Celestron EdgeHD 11" with...
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Aplanatic Schmidt-Cassegrain

Celestron EdgeHD 11" with Losmandy bar and ESATTO 2"

CE91050-XLTEST2
€4,739.34
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Celestron EdgeHD 11" telescope with Losmandy bar is a powerful aplanatic Schmidt-Cassegrain telescope 280mm f/10 that is still portable and you can install it in not too large mounts. Thanks to the ESATTO 2" microfocuser it has no image shift and it's perfect also for remote control since you can focus even with the primary mirror locked.
SkyWatcher Newton QUATTRO...
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Not available
Newton reflectors

SkyWatcher Newton QUATTRO 200/800 f4 with ESATTO 2"

SKP2008IWP-FETS2_
€1,232.79
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SkyWatcher Newton QUATTRO 200/800 f4 with ESATTO 2" is the 200mm f/4 telescope perfect for astrophotography, also with heavy cameras and accessories thanks to the ESATTO 2" microfocuser! Reduced weight and dimensions make it perfect for the use with not too large mounts.
SkyWatcher EVOSTAR 80 ED...
Not available
€1,125.41
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SkyWatcher EVOSTAR 80 ED with SESTO SENSO and PLUS rings is a great apochromatic refractor, one of the most used telescopes in the world! Thanks to the most advanced focusing motor and to the PLUS rings that avoid any flexure, the Skywatcher EVOSTAR 80 ED is even better!
GSO Ritchey-Chretien 254mm...
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GSO 254mm f/8 Ritchey-Chretien with metal tube and ESATTO 3" robotic microfocuser is the perfect telescope for long exposure astrophotography also with heavy cameras and accessories. Thanks to the optional corrector it offers a large corrected field.
Celestron C9.25-XLT with...
Not available
€2,331.15
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Celestron C9.25-XLT with dovetail Vixen type, thanks to the particular optical design, is perfect for high resolution: even better with the ESATTO 2" robotic microfocuser which eliminates image shift and allows you to focus the telescope with extreme precision, even remotely.
Celestron C9.25-XLT with...
In Stock
€2,261.48
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Celestron C9.25-XLT with dovetail Losmandy type, thanks to the particular optical design, is perfect for high resolution: even better with the ESATTO 2" robotic microfocuser which eliminates image shift and allows you to focus the telescope with extreme precision, even remotely.
SkyWatcher EVOSTAR 80 ED...
Not available
€1,551.64
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SkyWatcher EVOSTAR 80 ED is a great 80mm f/7.5 apochromatic refractor that, thanks to the ESATTO 2" microfocuser and PLUS rings, is perfect also for the most demanding long exposure astrophotography with heavy cameras and accessories.
GSO Ritchey-Chretien 254mm...
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GSO 254mm f/8 Ritchey-Chretien with carbon fiber tube and ESATTO 3" robotic microfocuser is the perfect telescope for long exposure astrophotography also with heavy cameras and accessories. Thanks to the optional corrector it offers a large corrected field.
SkyWatcher Newton QUATTRO...
Not available
€996.72
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SkyWatcher Newton QUATTRO 254/1000 f3.9 with SESTO SENSO is a 254mm diameter f/3.9 telescope, great for astrophotography, with the most advanced focusing control system. But you can use it also in visual thanks to the included Virtual HandPad of SESTO SENSO 2 that allows you to precisely focus without a computer.
Celestron EdgeHD 14" with...
Not available
Aplanatic Schmidt-Cassegrain

Celestron EdgeHD 14" with Losmandy bar and ESATTO 2"

CE91060-XLTEST2_
€9,228.69
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Celestron EdgeHD 14" with Losmandy bar and ESATTO 2" is a great aplanatic Schmidt-Cassegrain telescope that offers observatory class performance! Thanks to large 355mm diameter and quality of EdgeHD optics, it's perfect for any applications, visual use to astrophotography.
Officina Stellare Veloce...
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Not available
€20,836.07
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Officina Stellare Veloce RH300 athermal astrograph offers an incredible f3 focal ratio together with large 300mm diameter generating not only incredibly deep astroimages but also rich in details. Its design allows a corrected field all over the large 60 mm diameter so it's perfect also for the largest camera sensors, like 36x36 mm. Thanks to the ESATTO...
Celestron C11-XLT with...
Not available
€2,990.98
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Celestron C11-XLT with dovetail Losmandy type is a 280mm f/10 Schmidt-Cassegrain telescope and, thanks to the ESATTO 2" robotic microfocuser, there is no more image shift and you can focus the telescope with extreme precision, even remotely.
SkyWatcher Newton QUATTRO...
Not available
Newton reflectors

SkyWatcher Newton QUATTRO 200/800 f4 with SESTO SENSO

SKP2008IWP-FSS_
€813.93
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SkyWatcher Newton QUATTRO 200/800 f4 with SESTO SENSO is 200mm f/4 telescope perfect for astrophotography, thanks also to advanced features of SESTO SENSO 2 motor. Low weight and dimensions make it perfect to use also with not too large mounts.
SkyWatcher EVOSTAR 100 ED...
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€1,437.70
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SkyWatcher EVOSTAR 100 ED with SESTO SENSO and PLUS rings is the 100mm f/9 apochromatic refractor that offers high performance especially for visual use or imaging at high magnifications. Thanks to the most advanced focusing motor and PLUS rings, you can get the most from your telescope.
GSO Ritchey-Chretien 304mm...
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GSO 304mm f/8 Ritchey-Chretien with metal tube and ESATTO 3" robotic microfocuser is the perfect telescope for long exposure astrophotography also with heavy cameras and accessories. Thanks to the optional corrector it offers a large corrected field.
SkyWatcher EVOSTAR 100 ED...
Not available
€1,863.93
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SkyWatcher EVOSTAR 100 ED is a great 100mm f/9 apochromatic refractor that, thanks to the ESATTO 2" microfocuser and PLUS rings, is perfect also for the most demanding astrophotography with heavy cameras and accessories.
Officina Stellare Veloce...
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Not available
€39,000.00
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Veloce RH 320 (Riccardi-Honders) f/2.2 is fastest Veloce ever designed by Officina Stellare. An incredible native f/2.2 ratio, with a stunning high definition over the wide full corrected field of view. Veloce RH320 AT represents the Evolution of Veloce family. His new athermal design is ready to work at any temperature, in the whole word. The full...
GSO Ritchey-Chretien 254mm...
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GSO 254mm f/8 Ritchey-Chretien with truss carbon fiber tube and ESATTO 3" robotic microfocuser is the perfect telescope for long exposure astrophotography also with heavy cameras and accessories. Thanks to the optional corrector it offers a large corrected field.
SkyWatcher EVOSTAR 120 ED...
Not available
€1,995.08
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SkyWatcher EVOSTAR 120 ED apochromatic refractor with SESTO SENSO and PLUS rings is the kit created by PrimaLuceLab at a special price! Get the best performance from the SkyWatcher EVOSTAR 120 ED thanks to the most advanced focusing motor and the PLUS rings.
Officina Stellare Veloce...
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Not available
€33,319.67
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Veloce RH350 f/2.8 is the largest Veloce in the Family. An incredible ultra fast, ultra wide and super sharp ultimate-astrograph. With it's fast f/2.8 focal ratio and the corrected wide field of 60mm, fully without vignetting, this telescope is your ultimate choice in terms of superior astrographs. You will never find an other telescope with a diameter of...
SkyWatcher EVOSTAR 120 ED...
Not available
€2,421.31
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SkyWatcher EVOSTAR 120 ED is a great 120mm f/7.5 apochromatic refractor that, thanks to the ESATTO 2" microfocuser and PLUS rings, is perfect also for the most demanding long exposure astrophotography with heavy cameras and accessories.
GSO Ritchey-Chretien 304mm...
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GSO 304mm f/8 Ritchey-Chretien with truss carbon fiber tube and ESATTO 3" robotic microfocuser is the perfect telescope for long exposure astrophotography also with heavy cameras and accessories. Thanks to the optional corrector it offers a large corrected field.
Officina Stellare RiFast...
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Not available
€23,959.02
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Officina Stellare RiFast 400 f3.8, with the tree-lens field flattener and two aspherical elements, is the real masterpiece of this telescope. Diffraction-limited over a wide and flat field, the RiFast design will push any camera to its limits... and will do it FAST! The extraordinary f3.8 ratio allows a higher productivity per night, a significant factor...
SkyWatcher EVOSTAR 150 ED...
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In Stock
€2,411.48
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SkyWatcher EVOSTAR 150 ED apochromatic refractor with SESTO SENSO and PLUS rings is the kit created by PrimaLuceLab at a special price! Get the best performance from the SkyWatcher EVOSTAR 150 ED thanks to the most advanced focusing motor and the PLUS rings.
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GSO Ritchey-Chretien 355mm f/8 with truss carbon fiber tube is perfect for astrophotography is perfect for those looking for a quality telescope for deep-sky astrophotography at an incredible price. Thanks to the carbon tube, the GSO RC 355mm f/8 not only is more stable and lighter but also it has higher thermal stability, so it keeps the focus point more...
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GSO Ritchey-Chretien 406mm f/8 with truss carbon fiber tube is perfect for astrophotography is perfect for those looking for a quality telescope for deep-sky astrophotography at an incredible price. Thanks to the carbon tube, the GSO RC 406mm f/8 not only is more stable and lighter but also it has higher thermal stability, so it keeps the focus point more...
Officina Stellare RiFast...
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Not available
€30,946.72
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Officina Stellare RiFast 400 f3.8, with the tree-lens field flattener and two aspherical elements, is the real masterpiece of this telescope. Diffraction-limited over a wide and flat field, the RiFast design will push any camera to its limits... and will do it FAST! The extraordinary f3.8 ratio allows a higher productivity per night, a significant factor...
SkyWatcher ESPRIT 80 ED...
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Not available
€1,881.15
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SkyWatcher ESPRIT 80 ED is a compact and lightweight apochromatic refractor, ED triplet 80mm f/5, that thanks to SESTO SENSO 2, PLUS rings and field flattener, is perfect for wide field astrophotography of deep-sky object!
Officina Stellare ProRC 400...
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Not available
€22,086.07
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Officina Stellare ProRC 400 f8 Ritchey-Chrétien telescope is a 400mm f/8 professional telescope, completely free from chromatic aberration, and the performance is the same at any wavelength. ProRC 400 f8 offers 60mm fully corrected and illuminated field and ESATTO 4" robotic microfocuser: thanks to the high back focus extraction, backfocus is 125mm...
SkyWatcher ESPRIT 100 ED...
Not available
€3,499.18
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SkyWatcher ESPRIT 100 ED with ESATTO 3" is a great 100mm f/5.5 apochromatic refractor that, thanks to ESATTO 3" microfocuser and PLUS rings, is perfect for astrophotography also with heavy cameras and accessories.
Officina Stellare ProRC 400...
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Not available
€29,070.49
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Officina Stellare ProRC 400 f8 Ritchey-Chrétien telescope is a 400mm f/8 professional telescope, completely free from chromatic aberration, and the performance is the same at any wavelength. Ceramic glass, full carbon athermal version, to perfectly keep the focus point with ambient temperature variations. ProRC 400 f8 offers 60mm fully corrected...
Officina Stellare RiFast...
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Not available
€43,409.84
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Officina Stellare RiFast 500 f3.8, with the tree-lens field flattener and two aspherical elements, is the real masterpiece of this telescope. Diffraction-limited over a wide and flat field, the RiFast design will push any camera to its limits... and will do it FAST! The extraordinary f/3.8 ratio allows a higher productivity per night, a significant factor...
Officina Stellare RiFast...
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Not available
€52,155.74
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Officina Stellare RiFast 500 f3.8, with the tree-lens field flattener and two aspherical elements, is the real masterpiece of this telescope. Diffraction-limited over a wide and flat field, the RiFast design will push any camera to its limits... and will do it FAST! The extraordinary f3.8 ratio allows a higher productivity per night, a significant factor...
SkyWatcher ESPRIT 120 ED...
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Not available
€4,182.79
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SkyWatcher ESPRIT 120 ED with ESATTO 3" is a great 120mm f/7 apochromatic refractor that, thanks to ESATTO 3" microfocuser and PLUS rings, is perfect for astrophotography also with heavy cameras and accessories.
Officina Stellare ProRC 500...
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€41,086.07
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Officina Stellare ProRC 500 f8 Ritchey-Chrétien telescope is a 500mm f/8 professional telescope, completely free from chromatic aberration, and the performance is the same at any wavelength. ProRC 500 f8 offers 70mm fully corrected and illuminated field and ESATTO 4" robotic microfocuser: thanks to the high back focus extraction, backfocus is 205mm...
Borg fluorite apochromatic...
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€2,209.02
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Borg fluorite apochromatic refractor 55FL f3.6 with ESATTO 2", 55mm diameter, 200mm focal length (f3.6), 6 elements fluorite apochromat, aluminum tube with ESATTO 2" focuser, rear thread for camera connection, PLUS support rings. Borg fluorite apochromatic refractor 55FL f3.6 with ESATTO 2" offers optical power, mechanical quality and design features at...
Borg fluorite apochromatic...
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€4,258.20
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Borg fluorite apochromatic refractor 90FL f3.9 with ESATTO 3", 90mm diameter, 350mm focal length (f3.9), 6 elements fluorite apochromat, carbon fiber tube with 3 inches ESATTO focuser, rear thread for camera connection, PLUS support rings.
Officina Stellare ProRC 500...
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Not available
€49,838.52
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Officina Stellare ProRC 500 f8 Ritchey-Chrétien telescope is a 500mm f/8 professional telescope, completely free from chromatic aberration, and the performance is the same at any wavelength. Ceramic glass, full carbon athermal version, to perfectly keep the focus point with ambient temperature variations. ProRC 500 f8 offers 70mm fully corrected...
Borg fluorite apochromatic...
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€4,750.00
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Borg fluorite apochromatic refractor 107FL f3.9 with ESATTO 3", 107mm diameter, 417mm focal length (f3.9), 6 elements fluorite apochromat with Canon lens, carbon fiber tube with 3 inches ESATTO focuser, M57 camera rotator, rear thread for camera connection, PLUS support rings. This wonderful apochromatic refractor with fluorite optics offers an incredible...

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