Feature: 1. Attachable to Astronomical Telescopes: The digital eyepiece interface measures 23.2 mm and matches the eyepiece lenses of biological microscopes. Astronomical telescopes can be attached by using a 31.7mm 1.25inch adapter ring. 2. HD Image: The electronic eyepiece is 5 MP with 2592x1944 resolution, flash support, autofocus, optical zoom, and mechanical shutter to achieve fine simulated, clear, natural, and smooth images. 3. Easy to Use: The microscopic digital camera is plug and play and does not require any drivers. Turn off your computer network before connecting the camera. 4. Applicable Occasion: This is a smart digital microscope eyepiece lens for biological microscopes and astronomical telescopes. It is widely used in industrial quality inspection, planting, breeding and other applications. 5. Compatible Systems: The camera itself is compatible for Win10 and other higher versions, also supports for Linux, for OS X and other operating systems. Capture images and videos of specimens from computers, cell phones and tablets. Specification: Item Type: Electronic Telescope Eyepiece Weight: 373g / 13.2oz Material: Aluminum alloy Sensor Chip: 1/2.5 inch industrial grade COMS chip Pixel Pitch: 3.75UM Sensitivity: 2.7/LX.sec (under 550nm green light illumination) Lens Focal Length: F6.0MM/2.0 Focusing Range: 20mm to extreme distance Depth of Field: 50mm to infinity Flicker Control: 50HZ or 60HZ Software Compatibility Support: For Win 98, for Win ME, for Win 2000, for Win XP, for win7, for win8, for win10 and other higher versions, also supports for Linux, for OS X and other operating systems. Suitable For: Computers, cell phones and tablets Single Frame Capture Storage Format: BMP Motion Capture Storage Format: AVI . Package List: 1 x Electronic Eyepiece1 x Adapter Ring1 x USB Cable1 x Rubber Ring1 x Adapter Cable