Sky-Watcher Skymax 150 Telescope

Sky-Watcher Skymax 150 Telescope Sky-Watcher SKU: S11530 | Helix SKU: CTS11530 Overview 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 maximize contrast and image sharpness. Specifications: SKU S11530 UPC 050234115308 Optical Info Optical Design Mak-Cass Mirror Coatings 94% Aluminum Lens Coatings Fully Multi-Coated Glass Type BK7/Borosilicate True Aperture (mm) 151 Primary Aperture (mm) 166 Primary Edge Thickness 12.5mm F/Ratio 12 Focal Length (mm) 1800 Secondary Diameter 47mm Secondary Obstruction (by diameter) 31% Secondary Obstruction by Area 10% Observational Info Dawes Limit 0.77 Rayleigh Limit 0.93 Limiting Mag. 13.4 Minimum Magnification 21 Maximum Magnification 295 Light Gathering (compared to next size down) 40% General Info Focus