Wide-field 10X and 25X eyepieces
4 Objective lenses in a revolving nosepiece: 4X, 10X, 40X (Spring), 100X (Spring, Oil)
Magnification levels: 40X, 100X, 250X, 400X, 1000X, 2500X
Interpupillary distance: 48-75mm
Adjustable ocular diopter: +/- 5dp
30 degree inclined, 360 degree rotatable binocular Siedentopf head
Mechanical stage with rack stop, 130x130mm
Stage x-y travel range: 70x30mm
NA 1.25 Abbe condenser with iris diaphragm
Coaxial coarse and fine focus knobs
Transmitted illumination with 1W LED bulb, adjustable brightness
Features a Siedentopf binocular head that rotates 360 degrees for easy shared use and allows for quick adjustments to the eyepieces for different interpupillary distances without losing focus. The swiveling head can also lock in any position for additional stability. Ocular tubes are tilted at an ergonomic 30 degrees to reduce neck and eye strain. The microscope comes with two interchangeable widefield 10X and 25X glass ocular eyepieces, which pair with the four achromatic DIN objectives -- 4X, 10X, 40X(Spring), and 100X(Spring, Oil) -- in the rotating nosepiece to provide 6 magnification levels between 40X and 2500X. Coarse and fine focusing dials on both sides of the metal arm make fluid and exact precision adjustments.
For specimen viewing, an LED bulb beneath the stage transmits light up through an industry-standard Abbe condenser with 1.25 aperture and an iris diaphragm. Manually move the condenser closer to or farther from the stage to adjust brightness and evenness of light as well as image contrast. A metal slide holder locks specimens into place for viewing on the sizeable double-layered mechanical stage. An x-y translational control knob moves the stage and the slide holder left-to-right and front-to-back, eliminating the need to re-clip slides in order to view the entire specimen.
The SW350B has a compact but solid body that is nonetheless easily portable with the built-in arm handle.
What can you see with it? Compound microscopes offer detailed, cellular-level views of transparent or dyed specimens prepared and mounted on a slide. (For magnifying solid objects, use a stereo microscope.)
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