Feature: 1. Strong Function: Can realize automatic star guiding and multi function photography (for moon, sun, planets, galaxies and nebulae, clusters and so on). 2. Professional Tool: Dedicated astrophotography software, supporting video preview, video recording, video processing, image acquisition and processing, dark field correction and original data output. 3. Fine Workmanship: Aluminum alloy CNC housing, standard 1.25inch interface (external) for easy connection to the telescope, while internal threads meet standard C interface specifications for connection to standard industrial lenses. 4. High Technology: USB2.0 interface, fast frame rate, support long exposure. Supports real time 8/12/14/16bit depth switching (varies with sensor). 5. Professional Part: Native ASCOM/WDM driver, can achieve fast connection with the third party software. Built in ST4 automatic star guide interface, easy to connect the automatic star guide. Specification: Item Type: Electronic Eyepiece Material: Aluminum Alloy Gross Weight: Approx.334g/11.8oz Telescope Electronic Eyepiece Interface Size: 1.25 Inches Microscope Interface Size: 23.2mm/0.9in CMOS Chip: for Sony Exmor/ Exmor R/ Exmor RS CMOS Model And Size: 1.2m/IMX225 (C) 1/3in(4.80x3.60) Pixel: 3.75x3.75um G Optical Sensitivity: 2040mV, 1/30s Dynamic SNR: 0.15mV, 1/30s Resolution: 30 at 1280x960, 109 at 640x480 Sampling Average Value: 1x2 2x2 Exposure Time: 0.135ms To 1000s Spectrum Response Range: 380 To 650nm (With IR Cut Off Filter), 350 To 1050 (AR Coated Double Sided Protective Glass) White Balance: ROI White Balance/Manual Temp Tinti Adjustment Color Reduction Technology: Ultra Fine Color Processing Engine Capture/Control SDK: for Windows, for Linux, for MacOS, for Android Platform SDK (The Original C/C + +, for C#/VB.NET, for Python, for Java, for DirectShow, for Twain, etc.) Recording Mode: Picture And Video Guide Interface: ASCOM ST4 Interface Cooling System: High Performance Cooling System With Natural Cooling Operating Temperature: -10℃~ 50℃ Storage Temperature: -20℃~ 60℃ Working Humidity: 30~80%RH Storage Humidity: 10~60%RH Power Supply: USB Cable Language: Many Languages Software Compatibility: for Windows XP, for Vista 7, for Vista 8, for Vista 10(32 and 64 Bit) , for OS X(for OS X), for Linux Computer Requirements: CPU: for Intel Core 2 2.8Ghz Or Better Memory: Above 2G USB Port: USB 2.0 Or Higher Driver: CD. Package List: 1 x USB2.0 C Interface Camera1 x USB2.0 MALE To Male GOLD Plated Connector Cable1 x 2.0m Guide Cable1 x 1.25inch Connector1 x CD Driver Note: The focal length required to adjust will be different due to the different distance of the target to be viewed, which can be adjusted only through the focusing wheel.