AmScope B400AB Compound Binocular Microscope, WF10x, WF16x, and WF20x Eyepieces, 40X-2000X Magnification, Brightfield, Halogen Illumination, Abbe Condenser, Double-Layer Mechanical Stage, Sliding Head, High-Resolution Optics

Product Description

The AmScope B400AB compound binocular microscope has a sliding head; interchangeable pairs of 10x widefield, 16x widefield, and 20x widefield eyepieces; a forward-facing nosepiece with four DIN achromatic objectives; Brightfield halogen illumination; and a double-layer mechanical stage with a stage stop to protect slides and objectives from damage. The binocular viewing head has interchangeable pairs of 10x widefield, 16x widefield, and 20x widefield eyepieces and sliding head to adjust inter-pupillary distance, 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. The sliding head has a range of 55 to 75mm to accommodate individual eye differences, and dioptric adjustment accommodates individual eye-strength differences. The forward-facing nosepiece has 4x, 10x, 40xS (spring), and 100xS (spring, oil) DIN achromatic optical-glass objectives that combine with the eyepieces to provide color correction of magnified images at 12 magnifications. 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 (transmitted, 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. Halogen illumination provides bright light in a concentrated path and has a rheostat to control light intensity. The 1.25 NA Abbe condenser is mounted on a rack-and-pinion control system, 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 double-layer mechanical stage, with 1mm stage divisions, locks the slide into place and provides precise slide manipulation along the X- and Y-axis to allow coordinates to be recorded, enabling the viewer to return to a specific location on the slide. A stage stop prevents the stage from coming into contact with the slide and objectives. The stage is 5-1/2 x 5-1/2 inches (140 x 140mm) and has a traveling range of 2-15/16 x 1-3/4 inches (75 x 45mm). Graduated coaxial coarse and fine focus has a focusing range of 1-3/16" (30mm) and fine-focus divisions of 0.002mm (0.0000787") that enable measurements to be taken. Focus knob tension control prevents the stage from drifting out of focus. The enamel-coated cast-steel body is durable and resistant to stains and corrosion. SpecificationsHeadCompound binocularEyepiecesWF10x, WF16x, WF20xObjectives4X, 10x, 40xS, 100xS (oil)StageDouble-layer MechanicalLighting configurationTransmitted (lower)Condenser1.25 NA AbbeDiaphragmIrisLight sourceHalogen with rheostat, 6V/20WIllumination typeBrightfieldPower110VOverall dimensions12 x 9 x 16 inches (H x W x D) 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

• Compound microscope provides high magnification for biological use and educational applications • Binocular viewing head with pairs of 10x widefield, 16x widefield, and 20x widefield eyepieces and sliding head with 55 to 75mm interpupillary adjustment, fixed 45-degree vertical inclination to reduce eye and neck strain, and 360-degree rotation capability to provide a more comprehensive view and enable sharing • Forward-facing nosepiece with 4x, 10x, 40xS (spring), and 100xS (spring, oil) DIN achromatic optical-glass objectives that provide color correction of magnified images • Brightfield, halogen illumination with rheostat to control light intensity, and 1.25 NA Abbe condenser with iris diaphragm and rack-and-pinion focus control for precise focus, clear examination, and light control • Double-layer mechanical stage with 1.0mm stage divisions and stage stop; and graduated coarse and fine focus with tension control to prevent stage drift