Highlights Maksutov-Cassegrain optical design Primary and secondary mirrors feature proprietary Radiant™ Aluminum Quartz™ (RAQ™) coatings Corrector plate featuring Metallic High-Transmission Coatings™ (MHTC™) virtually eliminates chromatic aberrations 102mm aperture, 1300mm focal length, f/12.7 focal ratio Aluminum tube coated with glossy, black diamond metal-flake finish Included accessories: two 1.25-inch eyepieces, red dot finder, 1.25-inch diagonal, V-style dovetail, and a soft carrying case 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. Note: This is the optical tube only and requires a mount or tripod. It does not include a 2" to 1.25" eyepiece adapter. If required, an Antares MDA is a good choice. Specifications SKU S11510 UPC 050234115100 Optical Info Optical Design Mak-Cass Mirror Coatings 94% Aluminum Lens Coatings Fully Multi-Coated Glass Type BK7/Borosilicate True Aperture (mm) 101.93 Primary Aperture (mm) 102 F/Ratio 12.7 Focal Length (mm) 1300 Secondary Diameter 31mm Secondary Obstruction (by diameter) 30% Secondary Obstruction by Area 9% Observational Info Dawes Limit 1.14 Rayleigh Limit 1.37 Limiting Mag. 12.5 Minimum Magnification 14 Maximum Magnification 201 Light Gathering (compared to next size down) 28% General Info Focuser Primary Mirror OTA Length (Retract/Ext.) 12.25 OTA Outer Diameter 4.625" OTA Weight (with accessories) 4.6 Accessories Included Finder Red Dot Included Diagonal 1.25" Star Diagonal Mounting Accessories V-Rail Included Eyepieces 25/10 Wide Angle Magnification w/ Included Eyepieces 52x/130x Included Case Yes Corrector No Shipping Weights & Dimensions
