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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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Ritchey-Chretien
Ritchey-Chretien
APO refractors
APO refractors
Newton reflectors
Newton reflectors
Dall-Kirkham
Dall-Kirkham
Schmidt-Cassegrain
Schmidt-Cassegrain
Aplanatic Schmidt-Cassegrain
Aplanatic Schmidt-Cassegrain
Astrographs
Astrographs
Officina Stellare ProRC 400...
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Ritchey-Chretien

Officina Stellare ProRC 400 f8 Ritchey-Chrétien with ceramic glass, athermal, with...

PRC400CGC-B
$35,466.00
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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...
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Officina Stellare RiFast...
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Astrographs

Officina Stellare RiFast 500 f3.8 with ESATTO 4"

RIFA500SGA-B
$52,960.00
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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...
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Officina Stellare RiFast...
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Astrographs

Officina Stellare RiFast 500 f3.8 with ceramic glass, athermal, with ESATTO 4"

RIFA500CGC-B
$63,630.00
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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...
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SkyWatcher ESPRIT 120 ED...
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APO refractors

SkyWatcher ESPRIT 120 ED apochromatic refractor with ESATTO 3"

SKSED120EST3
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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.
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Officina Stellare ProRC 500...
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Ritchey-Chretien

Officina Stellare ProRC 500 f8 Ritchey-Chrétien with ESATTO 4"

PRC500SGA-B
$50,125.00
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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...
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Borg fluorite apochromatic...
APO refractors

Borg fluorite apochromatic refractor 55FL f3.6 with ESATTO 2"

BORG5536EST2_
2 Reviews
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...
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Borg fluorite apochromatic...
APO refractors

Borg fluorite apochromatic refractor 90FL f3.9 with ESATTO 3"

BORG9039EST3
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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.
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Officina Stellare ProRC 500...
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Ritchey-Chretien

Officina Stellare ProRC 500 f8 Ritchey-Chrétien with ceramic glass, athermal with...

PRC500CGC-B
$60,803.00
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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...
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Borg fluorite apochromatic...
APO refractors

Borg fluorite apochromatic refractor 107FL f3.9 with ESATTO 3"

BORG10739EST3
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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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Optical tubes

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