Optical Tube Assemblies(OTA's)

Sky-Watcher Evostar 80 APO 80 mm apochromatic Refractor with Schott BK-7 and FPL-53 ED glass 600 mm focal length (f/7.5) Dual-speed 2″ Crayford-type focuser with 1.25″ adaptor 8×50 RA erect-image finderscope 2″ dielectric...

Celestron EdgeHD 800 OTA - CGE

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™)...

Takahashi FOA-60

Takahashi FC-100DL w/ MEF-3

Takahashi FC-76DCU

Takahashi FS-60CB

Tele Vue TV-60 OTA

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 150

Sky-Watcher Skymax 102

Sky-Watcher Quattro 300P Imaging Newtonian

Sky-Watcher Evostar 72 APO 72 mm apochromatic refractor with matched lens assembly with one ED element 420 mm focal length (f/5.8) Dual-speed 2” Crayford-type focuser Tube-ring attachment hardware with V-style dovetail plate Aluminum case Specs ...

Sky-Watcher Esprit 120 ED APO refractor Included: Helinear Track focusing system with zero image shift. 8 x 50 right angle finderscope 2-inch Star diagonal 2-element field flattener Camera adapter D-style dovetail Padded case ... Specs SKU:...

Sky-Watcher Esprit 80 ED APO refractor   Included: Helinear Track focusing system with zero image shift. 8 x 50 right angle finderscope 2-inch Star diagonal 2-element field flattener Camera adapter D-style dovetail Padded case Specs SKU:...

Celestron EdgeHD 925 OTA - CGE