The CX31 offers improved all around performance and greater cost efficiency. It is ergonomically designed with low positioned coarse & fine focusing controls and convenient hand grips at the front and back. The ergonomic binocular head is inclined 30° for comfort viewing and has an interpupillary distance adjustment range from 48 – 75mm. A quadruple inward fit nosepiece with newly developed infinity corrected Plan C Achromatic 4x, 10x, 40x and 100x objectives are included in this setup. A precise graduated mechanical stage is standard (76 mm X direction and 50 mm Y direction movement). The Abbe Condenser is 1.25 N.A, centerable and includes a blue filter. Illumination is built in with a 6v 30w halogen Koehler system. This system is ideal for educational and medical applications.