Datyson 1.25" Telescope Digital Electronic Eyepiece Camera for Astrophotography USB Port Features: Useful USB eyepiece camera allows you to transmit the real-time view through your telescope to a laptop or PC, and capture great digital movies and images. Share the view of planets, the moon, and terrestrial targets through your telescope with friends, family, and fellow astronomy enthusiasts. Great for lunar and planetary shots, but not suitable for deep space imaging. Fits into any 1.25-inch telescope focuser or 1.25-inch step-down adapter. This is a high performance web digital product guaranteed by our technology and quality.  It has a high resolution and fast transmission rate, it is nice-looking and easy to carry. Specification: Brand: Datyson Condition: Material: Plastic Color: Blue Pixel: 300,000 CMOS Chip Type: Color CMOS Image Sensor Video Format: 24 bit RGB Interface: USB 2.0 Lens Port: 1.25" / 31.7mm Video: 640x480 pixels up to 15 frame/sec(VGA) Frame Rate: 320x240 up to 30 frame/sec(CIF) S/N Ratio: less than 48dB Dynamic Range: less than 72dB Automatic white background balance Automatic color compensate Weight: Approx. 150g System Requirements: IBM PC or compatible PC or laptop with USB port Pentium 200 or higher CPU WIN ME/2000/XP/7 Operating Systems 20MB or higher remaining hard-disk space 32MB or higher memory Support DirectX VGA card Package List: 1 * Electronic Eyepiece 1 * Manual