Luxo esd-safe microscope bodies are suitable for use in static-sensitive environments, have heavy-duty aluminum housings and come with 10x, 23mm Super wide field eyepieces and eye shields. The microscopes rotate 360⁰ in the focus mount. Binocular models have a Zoom range of .7 – 4.5 giving a magnification of 7x – 45x. The Zoom ratio is 7:1 and the Zoom is adjusted via dual graduated control knobs.