AmScope D300 Three-Viewer Compound Microscope, WF10x Objectives, 40X-1000X Magnification, Brightfield, 1.25 NA Abbe Condenser, Mechanical Stage, Anti-Mold

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About AmScope D300 Three-Viewer Compound

The AmScope D300 three-viewer compound microscope has four 10x widefield eyepieces, a forward-facing nosepiece with four DIN achromatic objectives, Brightfield variable-intensity halogen illumination, a 1.25 NA Abbe condenser, a mechanical stage, and anti-mold surfaces to preserve optics in high-humidity environments. The three-viewer head has one binocular head and two monocular heads with a set of WF10x eyepieces for simultaneous independent viewing, a fixed 45-degree vertical inclination to reduce eye and neck strain, and a 360-degree rotation capability to provide a more comprehensive view and enable sharing. Dioptric adjustment accommodates individual eye-strength differences, and a revolving pointer identifies features for students, or can be used in digital microscopy when taking photographs or displaying images on a whiteboard or projector. The forward-facing revolving nosepiece has 4x, 10x, 40xS, and 100xS (oil) DIN achromatic objectives that provide color correction of magnified images. The 40xS objective is spring loaded to prevent slide damage when focusing. The 100xS spring-loaded oil objective provides increased resolution over a standard objective. 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. Variable intensity halogen illumination provides bright light in a concentrated path. The 1.25 NA 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. The measuring mechanical stage has 1mm stage divisions and locks the slide into place, providing precise slide manipulation along the X- and Y-axis to allow coordinates to be recorded, and enabling the viewer to return to a specific location on the slide. An upper stage stop prevents the stage or specimen from coming into contact with the objectives. The stage is 5-1/2 x 5-1/2 inches (140 x 140mm) and has a traveling range of 2-3/4 x 1-3/4 inches (70 x 45mm). Bilateral nested coarse and fine focus has a focusing range of 1-3/16" (30mm) and fine focus divisions of 0.002mm (0.0000787"). Tension adjustment ensures specimen stays focused during viewing. The solid-metal frame has a stain-resistant enamel finish for durability. Specifications Head Compound three-viewer binocular and monocular Eyepieces WF10x Objectives 4X, 10x, 40xS, 100xS (oil) DIN achromatic Stage Mechanical Lighting configuration Transmitted (lower) Condenser Abbe, 1.25 NA Diaphragm Iris diaphragm Light source Halogen, 6V/20W, variable intensity Illumination type Brightfield Power 115V Dimensions 15 x 7-1/2 x 5-1/8 inches (H x W x D) Weight 10lb. H is height, the vertical distance from the lowest to highest point; W 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 fi