The Dino-Lite AM3113 Premier digital handheld microscope with measurement has natural color technology providing colors true to their original appearance. The AM3113 is the newer version of the AM3113 with updated housing. It also has enhanced low light capabilities where you can see objects clearly when there is minimal light available. This model comes with measurement and calibration feature only available for professional models. The AM3113 has a refresh rate up to 30fps at 640 × 480 resolutions and can magnify objects from 10x – 50x, up to 230x depending on working distance.