Features: * Seidentopf Binocular Head * WF10X Eyepiece * Achromatic 4X/10X/40XR/100XR DIN * Mechanical Stage; Condenser: Abbe NA 1.25 & Iris * Light: 6V 20W halogen Product Information: Specifications Binocular head with dual diopter adjustments. Optional monocular and trinocular heads are available 4 advanced DIN standard achromatic objectives 4x, 10x, 40x, 100x (oil). The 40x and 100x are spring loaded retractable Abbe condenser N.A 1.25 with iris diaphragm, filter holder and blue filter Full built-in mechanical stage, with hardened ball bearing mechanism, low coaxial controls and spring loaded slide holder. The stage is 142 mm x 133 mm in size and has an X-Y travel of 80 mm x 40 mm with graduation of 0.1 mm Stand: Ruggedly constructed metal stand and base features low mounted coarse and fine adjustment knobs for ease of use. The acid and alkali resistant paint is designed to provide years of durable use High intensity quartz halogen bulb (6V/20W) with rheostat to control intensity Koehler illumination field diaphragm for superior contrast control 5-year warranty excludes bulbs/fuses 40x Phase accessories available Semi-Plan and Plan Achromat objectives are optional Dust cover and extra fuses included Shipping Weight: 15lb The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not bid on this item unless you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item.