1、Made of quality material with premium 2MP chip sensor and processor, it greatly improves the camera's image clarity in low light conditions. 2、​Plug and use without driver, gives you a real-time dynamic observation by crystal clear image. 3、USB connector allows you to transmit the real-time view through your telescope to a laptop or PC, and capture great digital movies and images. 4、​25 inch thread for 25 inch astronomical telescope, the 0.91inch thread for 0.91 inch microscope. 5、Nice accessory for beginners, portable and lightweight, easy to use. Features: Made of quality material with premium 2MP chip sensor and processor, it greatly improves the camera's image clarity in low light conditions. Plug and use without driver, gives you a real-time dynamic observation by crystal clear image. USB connector allows you to transmit the real-time view through your telescope to a laptop or PC, and capture great digital movies and images. 1.25 inch thread for 1.25 inch astronomical telescope, the 0.91inch thread for 0.91 inch microscope. Nice accessory for beginners, portable and lightweight, easy to use. Specification: Condition: 100% Brand New Material: Aluminium Alloy Optional Color: Black, Gold Sensor chip: COMS Pixel spacing: 3.75UM Sensitivity: 2.7/ LUX.sec (in the case of 550nm green lighting) Lens focal length: F 6.0MM/ 2.0 Focusing range: 20mm to extreme Visual field depth: 50mm to afocal Flicker control: 50HZ or 60HZ Software compatibility support: for Windows 98, for Windows ME, for Windows 2000, for WindowsXP, for win7, for win8, for win10 and other higher versions, but also support for Linux, for Mac and other operating systems. Single frame capture storage format: BMP Dynamic capture storage format: AVI Operating temperature: -5℃ - 60℃ Storage temperature: -20℃ - 60℃ Operating humidity: 20% RH-80% RH Storage humidity: 20% RH-95% RH Power consumption: < 0.5W Weight: Approx. 287g   Make the image clear and detailed, the color is natural and true, and the visible range is enlarged, suitable for scientific research-level microbial observation and astronomical telescopes. 分辨率模式帧速率/FPS 1280 x960   YUY2          30 1280 x720 YUY2          30 1024 x 768 YUY2          30  800 x 600  YUY2          30 640 x 480 YUY2          30 Package List: 1 x Eyepiece 1 x USB Cable