National Optical Model 101 Field Microscope
Rugged metal frame, optical glass lenses, and unique substage prism combine to deliver a big, bright image 33 times larger than with the naked eye. The substage prism delivers amazing light for viewing transparent specimen slides, and special optical system also permits viewing of opaque specimen such as rocks, plants, insects, etc.. A great opportunity to teach microscopy on a limited budget
Huygenian 10x eyepiece
4x achromatic objective lens
140mm focal length permits 33x magnification with supplied lenses
Working distance 24mm
Optical tube slides smoothly up and down in spring fit metal bracket. Built-in stop prevents tube from sliding down into specimen slides.
Lucite prism with silver reflective coating is permanently positioned and mounted beneath stage to direct ambient light from below and through specimen mounted on stage.
Stage is 95mm wide x 80mm deep, with locked-on, spring activated stage clips.
With instruction brochure and vinyl dustcover
Lifetime limited warranty, excluding bulb, cord, and fuse.