CEM70 USB 3.0 Wi-FiTripod Not Included. Features Following up on the success of the iOptron CEM60 center balance equatorial mount, we at iOptron are excited to introduce two new medium payload center balance mounts. The CEM70AW the new standard bearer for equatorial mounts in the 70lb payload segment. The CEM70AW is packed with advanced features including USB3. 0 and Wi Fi Retaining the inherent properties of the center balance design, these relatively compact medium