BARSKA 20x 40x Binocular Stereo Microscope

Fully coated optics. Large semi-apochromatic triplet multi-coated objective lens. High quality BK-7 prisms. Provides extreme light gathering. Rotating ocular turrets provide wide-angle viewing and high-power viewing. Ideal for celestial viewing at night or daytime terrestrial viewing. Binoculars packaged in a premium hard case. Heavy-duty adjustable wooden tripod and mount included. Manufacturer's One Year Limited Warranty. MAGNIFICATION: 25/40X. OBJECTIVE LENS: 100mm. PRISM TYPE: Porro...

7x-45x Zoom magnification. 10x wide field eyepiece. Head rotates 360 degrees. Transmitted and Oblique illumination. Coarse adjustments. Includes spare bulb and fuse, power cord, specimen plate and plastic dust cover.

100% Waterproof and fogproof. Includes neck strap, carrying case, and cleaning cloth. Fully sealed, waterproof rubber body. Size: 4.5" x 3". Magnification: 10. Objective Diameter: 25mm. Center focus system. Full optical coating. Blue lens. Roof BAK-4 prism. Angle Of View (Degree): 5.8. Field Of View (F.O.V) (feet): 303 feet @ 1000 yds. Close Focusing Distance (Meter): 101. Exit pupil: 2.5mm. Relative Brightness: 6. Eye relief: 10.5mm. Rubber fold-down eyecups. Accessories and instructions...