Sky-Watcher EvoStar 150ED APO Refractor Telescope OTA (S11190) Mounting Plate and 2-inch diagonal

and 2-inch diagonal

75mm) Focal Length: 18mm (

5nm bandwidth of light centered on a wavelength of 500nm through

Tripod Top Die-cast aluminum Diameter Ø6" (Ø150 mm) Spreader/Tray Metal accessary tray Center Bolt Length: 10"

20") Diopter Adjustment Range: ±3 Twilight Factor: 18

Sky-Watcher EvoStar 150ED APO Refractor Telescope OTA (S11190) Mounting Plate and 2-inch diagonalSky Watcher's Evostar apochromatic doublet refractors are the perfect blend of superior extra low dispersion glass and affordability. The Evostar refractor lens assembly utilizes a proprietary combination of matched lenses, delivering tack sharp stars with charcoal black, contrast rich skies. All ED glass elements are fluorite based and feature our proprietary Metallic High Transmission Coatings (MHTC), virtually eliminating all false color while dual