Very compact and lightweight, our combination monocular instruments are the solutions to demanding precision work applications. All models feature precision anti-reflection coated optical systems with smooth spiral twist focus and a roof prism erector system to provide a corrected image as your eyes would see it. At close focus, it is technically a long white box, with neck strap and lens cloth.
DSL-3918 Magnification: 8X OB lens dia.: 21mm Field of view: 7.2°
Close focus distance: 400mm At close focus distance visual field: 25mm