A completely new eyepiece design, "Comfort View," provides greater comfort to let you perform your work faster. Comfort View features pupil aberration control and appropriate positioning at the eye point. The result is a field of view that is easy to find, comfortable to view, and easy to maintain. Magnification range: 8x-56x (using a 1x objective/10x eyepiece); zoom ratio 7:1. The new DFPLAPO1X-4 objective lens provides maximum optical performance with Plan Apochromat correction and N.A. of 0.10. New binocular observation tube with 45° inclination. Convenient, front-access controls. Integrated click-stop mechanism provides quick and easy access to common magnification settings. Environmentally-friendly: the SZX7 zoom body and objectives are lead-free.