40x-2000x Binocular Biological Compound Microscope review

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This is really a brand new, factory sealed, Variscope Series 8621 microscope. The Variscope microscope category of optical instruments is made by one of the largest "private label" optical component fabricators within the world. Included with the quadruple nosepiece are four achromatic multi-coated objective lenses that display a true-color image. You get 4x, 10x, spring loaded 40x, and spring loaded oil immersion 100x objectives included using this microscope. For viewing, we provide two sets of eyepieces: a set of premium grade wide-field 10x (18mm) eyepieces as well as a second pair of 20x eyepieces. This enables for magnification ranges of 40x, 80x, 100x, 200x, 400x, 800x, 1000x, and 2000x. Ergonomic features include an advanced Seidentopf-type microscope go to provide maximum comfort in adjusting interpuplillary distance. The microscope head swivels 360 degrees and sits with a 30 degree incline. The eyepieces have diopter focusing adjustments. The independent coarse and fine focusing knobs are on the right and left side with the instrument. Unlike cheap models with simple slide clips, this microscope includes a 115mm x 125mm stage using a fully mechanical X-Y axis slide holder so slides can be moved about the stage with fine precision, no fumbling the slide under clips. There is often a graduated scale printed on the slide holder to allow that you maintain a record of the location of various structures on the particular slide. This microscope features a built-in 20 watt halogen bulb, with adjustable intensity light controls. Beware of cheaper models that make usage of a tungsten bulb or have a very simple on/off switch without brightness controls. The microscope has a built-in spiral-type N.A. 1.25 Abbe condenser under the stage with the iris diaphragm. This advanced condenser gives you incredible control within the amount and focal length of sunshine aimed your specimen and it is critical for high-powered magnification viewing. A swing-out filter holder is roofed much like a group of blue and green viewing filters.



Product Features
Four Fully-Coated Achromatic DIN Objectives -- 4x/10x/40x/100x (oil). 10x and 20x Stereo Eyepieces Included.
Advanced Seidentopf 2D Adjustible Stereoscopic Microscope Head. 30 degree Inclined Head Rotates 360 Degrees.
Variable Intensity Halogen Lighting. Abbe Condenser and Iris Diaphragm. Filter Holder with Blue & Green Filters.
Left/Right Dual Focusing Allows Coarse & Fine Focus.
Premium Graduated X-Y Mechanical Slide Holder (not clips!)