Sky-Watcher Virtuoso GTi 130P (S21210) Adapter 20") Diopter Adjustment Range: ±4

20") Diopter Adjustment Range: ±4 Twilight Factor 40 Relative Brightness: 16 Limiting Stellar Magnitude: Ideal: 12

Three Sets of Screws: The sensor is adjusted by three sets of screws

Each face of the translucent cube is coated in electromagnetically subtractive materials which at first

09mm Exposure Range 32µs-1000s ROI Supported Non-volatile memory/On camera storage Build-in total 192K byte user-accessible space(image size up to 480X320) Interface USB3

39 arc seconds Resolution (Dawes): 0

Sky-Watcher Virtuoso GTi 130P (S21210) Adapter 20") Diopter Adjustment Range: ±4Sky Watchers Virtuoso GTi collapsible tabletop Dobsonian is the ultimate combination of convenience, flexibility, and light gathering power now with Wi Fi! Ideally suited for both the beginner astronomy enthusiast looking for a first telescope and as a casual backyard travel alternative for the experienced observer, this small scope boasts big views and is the perfect camping companion for your dark sky getaways. Available in either 130 or 150mm