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The VanGuard 1300PHi series clinical microscope has binocular or trinocular viewing heads, Brightfield viewing, phase contrast, plan achromatic objectives, and magnification abilities of 10X, 20X, 40X, and 100X (oil immersion method) for a variety of resolvant options. Model 1333PHi features a trinocular head configuration. 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.
The binocular heads have a fixed 30-degree inclination, and rotate 360 degrees. The microscope has 55-75mm interpupillary adjustment for individual eye spacing, and - 6 to + 6 dioptric adjustment capabilities to compensate for the difference in viewing ability between each eye. This microscope is available with Deutsches Institut für Normung (DIN)-standard plan achromatic objective lenses, which correct for red and yellow chromatic aberrations. Adjustable resolution provides resolvant options of 10X (0.25 numerical aperture [NA]), 20X (0.40 NA), 40X (0.60 NA), and 100X (1.25 NA). Integrated Koehler illumination controls brightness, and Brightfield illumination controls light from below, allowing a specimen to absorb light for clear illumination. Darkfield and phase contrast illumination configurations enhance contrast and produce clearer images of opaque or unstained objects. The unit adjusts light through a Zernike phase annuli condenser (10X, 20X, 40X, and 100X) with an iris diaphragm. The condenser is mounted on a rack and pinion focusing mechanism, and the unit has a filter holder on the collector. The unit has 20-watt variable quartz halogen lighting. The eyepieces have a high eyepoint (20mm field diameter), and rubber eyecups to block out external light interference.
The unit has a rectangular, chemical-resistant, mechanical stage with rack and pinion assembly, and an X-Y, right-hand, drop-down control. It has a removable, spring-clip slide holder mechanism for specimen maneuverability, and a cross travel range of 75 x 50mm (W x D). A coaxial, low-position mechanism controls focus motion. The unit has coarse- and fine-focus adjustment controls with a 40mm focusing range, and 0.002mm precision. Auto-stop and tension control mechanisms protect the gears. The reverse-pitch nosepiece has secure, positive stops. The microscope has a stain-resistant and durable cast metal body with an enamel finish, and anti-skid rubber feet to prevent slipping. It comes with a clear diffusing filter, a blue filter, a telescoping eyepiece, spare lamp and fuse, a dust cover, a six-foot power cord, and instructions.
|Optical magnification||10X (0.25 NA), 20X (.40 NA), 40X (0.60 NA), and 100X (1.25 NA) (oil immersion method)|
|Optical system||VanGuard infinity-corrected optics (VIOS)|
|Illumination||Brightfield, darkfield, phase contrast|
|Condenser||1.25 NA Abbe; 10X, 20X, 40X, and 100X Zernike phase annuli|
|Stage dimensions||160mm x 140mm (W x D)|
|Overall dimensions||400mm x 190mm x 370mm (H x W x D)|
|Base dimensions||175mm x 225mm (W x D)|
|Fuses included||0.50A, 250V|
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.
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