The BestScope BS-2035T Trinocular Compound Microscope has a pair of 10x extra-widefield high-eyepoint eyepieces, a 23.2mm trinocular port, a reverse-mounted nosepiece with four semi-plan achromatic objectives, LED illumination, 1.25 NA Abbe condenser with iris diaphragm and filters, coaxial nested coarse and fine focus, and a mechanical stage. The trinocular viewing head has a Siedentopf binocular head with interpupillary adjustment, fixed inclination to reduce eye and neck strain, and 360-degree rotation capability to provide a more comprehensive view and enable sharing; and a trinocular port that accepts a camera adapter (sold separately). A Siedentopf binocular head enables the viewer to change the interpupillary distance without changing the tube length, eliminating the need to refocus the image. High-eyepoint eyepieces ease viewing for viewers wearing glasses. A reverse-mounted nosepiece keeps objectives out of the way to prevent damage and contamination, and to enable more secure slide handling. Semi-plan achromatic objectives provide color correction and improved focus over the central 80 percent of the viewing field. A compound microscope is used for inspection and dissection of specimens when two-dimensional images are desired. The microscope has lower (diascopic) brightfield illumination that transmits light up through the specimen for enhanced visibility of translucent and transparent objects. Brightfield (BF) illumination allows the specimen to absorb light, resulting in a dark image on a light background. The LED light source provides bright, cool light for working with temperature-sensitive or live specimens, and a rheostat controls the amount of light emanating from the lamp. The Abbe condenser can be adjusted to control the distance of the light from the stage, and has an iris diaphragm to optimize the amount of light illuminating the specimen. Blue and green filters are included to modify the light to suit various specimens. The mechanical stage locks the slide into place and provides precise slide manipulation along the X- and Y-axes. Coaxial coarse and fine focus knobs are nested to speed focusing for left-and right-handed viewers. Microscope Head and Optics SpecificationsHeadTrinocular, SiedentopfMagnification range40x-1000xTrinocular port23.2mmBinocular head inclination30 degreesInterpupillary adjustment52 to 75mmEyepieces (20mm)EWF10xNosepieceQuadruple, reverse-mountedObjectives, semi-plan achromatic4x, 10x, 40x, 100xMicroscope Illumination and Stage SpecificationsFocus typeCoaxial coarse and fineCondenser1.25 NA AbbeLight sourceLED with rheostatDiaphragmIrisIllumination typeBrightfieldStage typeMechanicalStage dimensions140 x 140mm (W x D)Stage travel range75 x 50mm (X-direction x Y-direction)Power110VW is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.Microscopes are instruments used to enhance the resolution of an object or image. Types include compound, stereo, or digital. Compound microscopes use a compound optical system with an objective lens and an eyepiece. Stereo microscopes show object depth in a three-dimensional image. Digital microscopes are used to display an image on a monitor, rather than looking through a lens. Microscopes can have monocular (one), binocular (two), or trinocular (three) eyepieces, with varying magnification abilities. Magnification ability refers to the size of an image. Resolution, also known as resolvant power, refers to the clarity of the image. The interaction between field of view (FOV), numerical aperture (NA), and working distance (WD) determines resolution. Microscopes can control magnification through a fixed focus, or through a range of adjustments. They can also utilize LED, fluorescent, and mirror light sources to help control viewing capabilities. Microscopes are widely used in education, lab research, biology, metallurgy, engineering, chemistry, manufacturing, and in the medical, forensic science, and veterinary industries.BestScope International Ltd. manufactures microscopes, digital cameras, and accessories for education, inspection, research, and clinical and industrial applications. The company, founded in 1995, is headquartered in Beijing, China. What's in the Box?BestScope BS-2035T Trinocular Compound Microscope(2) EWF10x eyepieces, 20mm4x semi-plan achromatic objective10x semi-plan achromatic objective40x semi-plan achromatic objective100x semi-plan achromatic objectiveBlue filterGreen filter
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