The Ample Scientific Nexcope CM304H Hybrid-Power Basic Monocular Compound Microscope has a locked-in 10x widefield eyepiece, a reverse-mounted nosepiece with four DIN achromatic objectives, LED illumination, separate coarse and fine focus, a 1.25 NA Abbe condenser with iris diaphragm, and a mechanical stage. The monocular viewing head has a fixed inclination to reduce eye and neck strain. An eyepiece pointer is used to identify features for students. The reverse-mounted nosepiece has four DIN achromatic objectives that provide color correction of magnified images. A reverse-mounted nosepiece keeps objectives out of the way to prevent damage and contamination, and to enable more secure slide handling. The 40xR and 100xR objectives are spring-loaded to prevent damage to the slide or objective when focusing, and are oil objectives that provide increased resolution over standard objectives. A basic compound microscope is used in classroom, home school, and hobbyist settings 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 operates on AC power, or on a rechargeable battery that can be recharged by an adapter or hand-crank for cordless operation. 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. The condenser is controlled using a spiral mechanism. The mechanical stage locks the slide into place and provides precise slide manipulation along the X- and Y-axes. Separate coarse and fine focus knobs speed focusing. A built-in slip clutch system prevents damage to the focus mechanism or objectives. The frame is made of die-cast aluminum. Microscope Head and Optics SpecificationsHeadMonocularMagnification range40x-1000xHead inclination45 degreesEyepiece (18mm)WF10x with pointerNosepieceReverse-mountedObjectives, DIN achromatic4x, 10x, 40xR (oil, retractable), 100xR (oil, retractable)Microscope Illumination and Stage SpecificationsFocus typeSeparate coarse and fineCondenser1.25 NA AbbeLight sourceLEDDiaphragmIrisIllumination typeBrightfieldStage typeMechanicalStage dimensions110 x 120mm (W x D)Power120V or rechargeable NiMH batteryW 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.Ample Scientific manufactures microscopes, centrifuges, and other lab equipment. The company, founded in 1985, is headquartered in Norcross, GA. What's in the Box?Ample Scientific Nexcope CM304H Hybrid-Power Basic Monocular Compound MicroscopeWF10x eyepiece, 18mm4x DIN achromatic objective10x DIN achromatic objective40xR (oil, retractable) DIN achromatic objective100xR (oil, retractable) DIN achromatic objectiveBattery charger/power adapterTension control toolDust coverInstructions
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