Product Features PD adjustable with one hand only Wider eyepiece diopter adjustment range Wide-angle isocentric movement New-Generation Zoom Slit Lamp, The NS-2D Clinical Set • Converging-type zoom microscope (12.5°) • 5.5x wide zoom ratio, yet a shorter reaching distance of 317 mm and a longer working distance of 100 mm. • Two eyepiece magnifications are available. • 12.5x eyepiece: Total mag. 5.9x to 32.5x (field of view: 38.3 mm, field number: 18.0 mm) 15.0x eyepiece: Total mag. 7.1x to 39x (field of view: 38.3 mm, field number: 18.0 mm) • Sharp and clear high-resolution zoom optics — inherited technology • A CCD digital set can be mounted on the NS-2D Clinical Set.