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The VanGuard 1200CM series clinical microscope has a trinocular viewing head, integrated Koehler illumination, Brightfield configuration, and a magnification ability of 4X, 10X, 40X, and 100X (oil immersion method) for a variety of resolvant options. The 1231CM model features plan achromatic objectives. This microscope enhances object or image resolution, and is commonly used for research and professional applications in medical and veterinary clinics, universities and industrial laboratories.
This microscope features a trinocular viewing configuration, with two heads to ease eye strain and provide a more comprehensive view, and a third head to connect to an external monitor or camera for an alternative viewing option. The heads have a fixed 30-degree inclination, and rotate 360 degrees. The microscope has a 20/80 light split, which means that when the third head is used, 20% of the light goes to the third head, and 80% goes to the user’s eyes through the binocular heads. It has 55-75mm interpupillary adjustment for individual eye spacing, and - 5 to + 5 dioptric adjustment capabilities to compensate for the difference in viewing ability between each eye. Two heads have rubber eyepieces to block out external light interference. This microscope is available with Deutsches Institut für Normung (DIN)-standard achromatic objective lenses or with DIN-standard plan achromatic objective lenses, which correct for red and yellow chromatic aberrations. Adjustable resolution provides DIN-standard magnification options of 4X (0.10 NA), 10X (0.25 NA), 40X (0.60 NA), and 100X (1.25 NA). Brightfield illumination controls light from below, allowing a specimen to absorb light for clear illumination. The unit adjusts light through an iris diaphragm, and has a 1.25 numerical aperture (NA) Abbe condenser for high resolution with rack and pinion control. It has 20-watt variable quartz halogen lighting, a Koehler field diaphragm for even illumination, and a filter holder located on the collector.
The rectangular, chemical-resistant mechanical stage has drop-down, right-hand, rack and pinion X-Y control. A removable, spring-clip slide holder mechanism provides specimen maneuverability. The stage has a cross-travel range of 75 x 50mm. The microscope has coaxial coarse- and fine-focus adjustment controls with tension adjustment, and an auto-stop mechanism to protect gears. The reverse-pitch nosepiece has secure, positive stops, and four rotation positions support a range of magnification. The microscope has a cast metal, ergonomic body with an enamel finish for stain resistance and durability, and anti-skid rubber feet to prevent slipping. It comes with a clear diffusing filter, a blue filter, spare lamps and fuses, a dust cover, two rubber eyecups, a six-foot power cord, and instructions.
|Optical magnification||4X (0.10), 10X (0.25 NA), 40X (0.60 NA), and 100X (1.25 NA) (oil immersion method)|
|Optical system||Fixed 160mm|
|Objectives||Achromatic, plan achromatic|
|Condenser||1.25 NA Abbe|
|Stage dimensions||160 x 140mm (W x D)|
|Overall dimensions||380mm x 210mm x 180mm (H x W x D)|
|Base dimensions||210 x 180mm (W x D)|
H is height, the vertical distance from 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 viewing abilities. A trinocular eyepiece is used to output digital images to an internal or external device such as a camera or monitor. 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 use 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.
Vee Gee Scientific manufactures laboratory equipment and supplies, and makes the VanGuard brand of products. The company, founded in 1981 and headquartered in Kirkland, WA, offers scientific equipment for educational, professional, and industrial applications.