Document your discoveries with Celestron's 5.0MP Digital Microscope Imager. The imager will fit microscope eyepieces with 0.9" (23mm) and 1.18" (30mm) diameters and can be secured with the included adjustable sleeve. The 5.0MP CMOS sensor will allow you to view and save crisp images and 30 fps videos of the microscopic world for your documents, papers, and projects. To offer you enough reach to your computer, the imager also features a 4'-long USB 2.0 cable. To allow you a multitude of image and video measurement enhancements, the imager includes the Celestron Imager HD Software. To ensure durability for many years of use, the imager is outfitted with an aluminum housing.