Kamis, 08 Maret 2012

40x-2000x Binocular Biological Compound Microscope review


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List Price: $443.30
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This is really a brand new, factory sealed, Variscope Series 8621 microscope. The Variscope microscope category of optical instruments is manufactured by one in the largest "private label" optical component fabricators within the world. Included using 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 groups of eyepieces: a couple of premium grade wide-field 10x (18mm) eyepieces as well as a second set of 20x eyepieces. This allows for magnification ranges of 40x, 80x, 100x, 200x, 400x, 800x, 1000x, and 2000x. Ergonomic features feature an advanced Seidentopf-type microscope check out provide maximum comfort in adjusting interpuplillary distance. The microscope head swivels 360 degrees and sits at a 30 degree incline. The eyepieces have diopter focusing adjustments. The independent coarse and fine focusing knobs are on both the best and left side in the instrument. Unlike cheap models with simple slide clips, this microscope features a 115mm x 125mm stage which has a fully mechanical X-Y axis slide holder so slides may be moved around the stage with fine precision, no fumbling the slide under clips. There is really a graduated scale printed about the slide holder to permit you to definitely maintain accurate documentation in the location of various structures on a particular slide. This microscope includes a built-in 20 watt halogen bulb, with adjustable intensity light controls. Beware of cheaper models that use a tungsten bulb or use a simple on/off switch without brightness controls. The microscope features a built-in spiral-type N.A. 1.25 Abbe condenser under happens having an iris diaphragm. This advanced condenser provides you with incredible control within the amount and focal length of light aimed your specimen and is also critical for high-powered magnification viewing. A swing-out filter holder is included as are a collection 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!)


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