Optical Tube Assemblies(OTA's)

Sky-Watcher Quattro 150P Imaging Newtonian 6" 150mm aperture, 600mm focal length  Fast f/4 focal ratio  Parabolic borosilicate mirrors utilizing Sky-Watcher’s proprietary Radiant ™ Aluminum Quartz (RAQ™)...

Sky-Watcher Quattro 200P Imaging Newtonian 205mm aperture, 800mm focal length Fast f/4 focal ratio Parabolic mirror designed for imaging with 94% reflectivity 10:1, dual-speed, 2-inch Crayford-style focuser Oversized secondary mirror produces greater...

Sky-Watcher Quattro 250P Imaging Newtonian 254mm aperture, 1000mm focal length  Fast f/4 focal ratio Parabolic mirror designed for imaging with 94% reflectivity 10:1, dual-speed, 2-inch Crayford-style focuser Oversized secondary mirror...

Sky-Watcher Quattro 300P Imaging Newtonian 305mm aperture, 1200mm focal length Fast f/4 focal ratio Parabolic mirror designed for imaging with 94% reflectivity 10:1, dual-speed, 2-inch Crayford-style focuser Oversized secondary mirror produces greater...

Sky-Watcher Quattro Coma Corrector

Sky-Watcher Skymax 102 Maksutov-Cassegrain optical design Primary and secondary mirrors feature proprietary Radiant™ Aluminum Quartz™ (RAQ™) coatings Corrector plate featuring Metallic High-Transmission Coatings™ (MHTC™)...

Sky-Watcher Skymax 127 Maksutov-Cassegrain optical design Primary and secondary mirrors feature proprietary Radiant™ Aluminum Quartz™ (RAQ™) coatings Corrector plate featuring Metallic High-Transmission Coatings™ (MHTC™)...

Sky-Watcher Skymax 150 Maksutov-Cassegrain optical design Primary and secondary mirrors feature proprietary Radiant™ Aluminum Quartz™ (RAQ™) coatings Corrector plate featuring Metallic High-Transmission Coatings™ (MHTC™)...

Sky-Watcher Skymax 180   The Sky-Watcher Skymax Maksutov-Cassegrains are the ultimate take-anywhere telescopes. Despite their small dimensions they pack a powerful punch. Their high-resolution, diffraction-limited optical systems are...

Sky-Watcher Skymax 90 The Sky-Watcher Skymax Maksutov-Cassegrains are the ultimate take-anywhere telescopes. Despite their small dimensions they pack a powerful punch. Their high-resolution, diffraction-limited optical systems are multi-coated to...

Sky-Watcher Starlux 190MN 190mm working aperture, 1000mm focal length, f/5.3 focal ratio  Virtually perfect Maksutov-Newtonian optical design: no coma corrector or field flattener needed  Primary and secondary mirrors feature proprietary...

Takahashi EPSILON E-130D

Takahashi FC-100DC The FC-100D series consists of an apochromatic fluorite Steinheil doublet with a 100 mm objective diameter.  Both telescopes in the series are 740 mm f/7.4 instruments.  The front element uses an eco-glass for maximum light...

Takahashi FC-100DF The FC series are apochromatic refractors with two-element fluorite lenses.  The FC series have larger apertures and longer focal lengths than the FS series, and provide outstanding performance both for the visual observer and the...

Takahashi FC-100DL w/ MEF-3

Takahashi FC-76DCU