Product Category Description:

Microscopes feature exceptional contrast and resolution, brilliant uniform illumination, and highly durable mechanical elements. The viewing head is of the Siedentopf design with single diopter adjustment. The 6V, 20W Koehler illumination provides uniform intensity and the 1.25 Numerical Aperture (N.A.) Abbe condenser with iris diaphragm allows precise centering of the light path. Four-function focusing includes focus stop to protect slides/specimens and tension adjustment to prevent slippage.

Microscopes with semi-planachromatic objectives are ideal for use in advanced educational settings. To reduce observation time, the parfocal and parcentered objectives maintain focus, the precisely graduated mechanical stage with ergonomic controls improves location accuracy, and high eye point eyepieces help zero in on the sample. Specimens and samples are doubly protected via the focus stop and spring-loaded retractable lenses (40x and 100x). Microscopes feature a heavy metal frame and an all-metal focusing mechanism for durability.

Microscopes with planachromatic or achromatic objectives are ideal for research settings. Their large frames provide a stable, vibration-free base, facilitating viewing and image documentation. A large, coaxial mechanical stage with precise 2.0µm graduations, ultra-low controls, and a five-position reverse pitch objective turret make it easy to load slides and locate specimens. The planachromatic objectives provide sharp, flat images to the periphery of the field of view, minimizing spherical and chromatic aberrations. The achromatic objectives are ideal for samples like liquids and IC wafers that require a longer working distance. Microscopes are designed for long hours of observation without fatigue.

All microscopes are supplied with 4x, 10x, 40xR, and 100xR (oil) objectives. The 40x and 100x oil objectives feature a retractable lens. The N.A. is 0.10 for 4x objectives, 0.25 for 10x objectives, and 0.65 for the 40xR and 100xR (oil) objectives.

Specifications for VWR VistaVision Upright Compound Microscopes 11389-207 Microscopes With Trinocular Head :

Objective:		Planachromatic
Optical Type:		Brightfield
Unit:		Each

(Please note that the description and stock photo may not correspond to the specific model listed above)

We offer only genuine VWR products, authorized for sale in the U.S. and other markets, so you can be sure that you are buying authentic Microscopes with a full manufacturer's warranty in addition to our own 100% Satisfaction Guarantee. We are your premier online distributor for VWR Microscopes. We are an authorized supplier to all federal and state government agencies, as well as to research and educational institutions, and can facilitate volume orders on many types of laboratory equipment, lab consumables, and other products to help fulfill your specific needs. We offer FREE UPS Ground Shipping and FREE USPS shipping to APO and FPO addresses on all orders in our store over $29.95. Please refer to our APO/FPO Shipping and Export Restrictions for more information on export to APO/FPO addresses.

In addition to the VWR VistaVision Upright Compound Microscopes Microscopes With Trinocular Head 11389-207/ 82026-624, we carry a full complement of Microscopes as well as other product offerings from VWR. We also carry a full line of VWR accessories to help meet your laboratory and scientific needs.

For a complete selection of VWR Microscopes, please visit our VWR page. For more brand name Microscopes please visit our Microscopes store section. To see our complete line of lab, medical, industrial, and scientific products, please see our science and lab equipment online catalog.

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