Starlux 190

190 mm Maksutov-Newtonian 1000 mm (f/5.3) n Fully multi-coated Pyrex mirrors 2” dual-speed 10:1 Crayford focuser 9×50 right angle correct image finder scope Green anodized Vixen-style dovetail plate   Description The exciting new Mak-Newtonian from Sky-Watcher is just what astrophotographers and serious visual observers have been looking for. The Mak-Newtonian design provides large aperture apochromatic performance with exceptional field correction in a compact, affordable package. Compared to a similarly sized Schmidt-Newtonian, the Mak-Newtonian yields a sharper image with more contrast. Naturally, the Mak-Newtonian is an excellent visual performer, too. Specifications Optical Info Optical Design Mak-Newtonian Mirror Coatings 94% Aluminum Lens Coatings Fully Multi-Coated Glass Type BK7/Borosilicate Primary Aperture (mm) 203 F/Ratio 5.3 Focal Length (mm) 1000 Secondary Diameter 64mm Secondary Obstruction (by diameter) 34% Secondary Obstruction by Area 11% Observational Info Dawes Limit 0.61 Rayleigh Limit 0.74 Limiting Mag. 13.9 Minimum Magnification 27 Maximum Magnification 374 Light Gathering (compared to next size down) 11% General Info Focuser 2" Dual Speed Crayford OTA Length (Retract/Ext.) 37.5" OTA Outer Diameter 9.5" OTA Weight (with accessories) 29 Accessories Included Finder 8x50 RACI Included Diagonal No Mounting Accessories Rings/V-Rail Included Eyepieces None Included Case No Corrector No