The Ample Scientific Nexcope CM303H Hybrid-Power Basic Monocular Compound Microscope has a locked-in 10x widefield eyepiece, a reverse-mounted nosepiece with three DIN achromatic objectives, LED illumination, separate coarse and fine focus, a 0.65 NA condenser with disc diaphragm, and a plain stage with stage clips. 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 three 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 objective is spring-loaded to prevent damage to the slide or objective when focusing, and is an oil objective that provides increased resolution over a standard objective. 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. It has a disc diaphragm and dimmer switch to control the amount of light illuminating the specimen. The plain stage has an opening for light transmission, and stage clips to secure the slide or specimen in place while viewing. 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-400xHead inclination45 degreesEyepiece (18mm)WF10x with pointerNosepieceReverse-mountedObjectives, DIN achromatic4x, 10x, 40xR (oil, retractable)Microscope Illumination and Stage SpecificationsFocus typeSeparate coarse and fineCondenser0.65 NALight sourceLEDDiaphragmDiscIllumination typeBrightfieldStage typePlainStage dimensions110x 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 CM303H Hybrid-Power Basic Monocular Compound MicroscopeWF10x eyepiece, 18mm4x DIN achromatic objective10x DIN achromatic objective40xR (oil, retractable) DIN achromatic objectiveBattery charger/power adapterTension control toolDust coverInstructions
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