National Optical 104-CLED Basic Compound Microscope with LED Illumination
The National Optical 104-CLED Basic Monocular Compound Microscope has a 10x widefield eyepiece with pointer, a forward-facing nosepiece with three achromatic objectives, LED illumination, midrange (between coarse and fine) focus, a disc diaphragm, and a plain stage with stage clips. The monocular viewing head has a fixed inclination to reduce eye and neck strain, and 360-degree rotation capability to enable sharing. An eyepiece pointer is used to identify features for students. Achromatic objectives provide color correction of magnified images. A forward-facing nosepiece eases changing objectives. The 40xR objective is retractable and spring-loaded to prevent damage to the slide or objective when focusing. 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. A disc diaphragm controls 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. Coaxial oversize midrange focus knobs ease focusing for left- and right-handed viewers. A built-in slip clutch system prevents damage to the focus mechanism and a stage stop prevents the stage or specimen from coming into contact with the objectives. The cast metal frame provides durability and has a gray enamel finish.
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 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. National Optical and Scientific Instruments manufactures microscopes and microscope cameras. The company, founded in 1991, is headquartered in Schertz, TX. What's in the Box?
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Compound microscope provides high magnification for biological use and educational applications
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Monocular viewing head with 10x widefield eyepiece with pointer, 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
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Forward-facing nosepiece with 4x, 10x, and 40xR achromatic objectives that provide color correction of magnified images
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Brightfield, LED illumination and built-in condenser with six-hole disc diaphragm for clear examination and light control
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Plain stage with clips secures slide in place, and coaxial, oversize midrange focus knobs speed focusing
Product Information Specifications for National Optical 104-CLED Basic Compound Microscope with LED Illumination Below:
| Manufacturer | National Optical |
| Brand | National Optical |
| Model | 104-CLED |
| Item Weight | 5.55 pounds |
| Item Size | 11.9 x 17.6 x 17.6 inches |
| Package Weight | 5.55 pounds |
| Package Size | 11.9 x 11.3 x 11.3 inches |
| Units in Package | 1 |
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