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The sensor is larger and the working distance has been increased significantly because of the elongated tube for the lens to move. One area of improvement is the camera sensor. The ADSM302 is the newer model of the ADSM201, with some improvements on some of the gripes people had with the older model. The two LEDs add adequate light on the test bench and they are easily configured in both placement and light intensity. The first impression we had is that it is a well build and quality constructed microscope with precise movement of the focus and distance set knobs. Hit power ON button and you are ready to go. The microscope comes assembled and all you have to do to start is to add batteries to the remote control and connect the light and power control cable the the USB adapter. Unboxing and powering up the unit took only 4-5 minutes.
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