National 409TBL Binocular Stereo provides an upright, unreversed image for viewing 3-dimensional objects. It is designed for viewing solid objects at low magnification, but will also permit viewing of some transparent specimen slides. The device comes with a pair of eyepieces, rubber eyecups, two 80mm O.D. stage plates (plastic black/white & frosted glass), a frosted 35.6mm blue filter, and a dustcover. It features an objective turret that changes objective magnification by rotating 90 degrees, a focusing knob, and a tension adjustment collar.
National 409TBL Binocular Stereo provides an upright, unreversed image for viewing 3-dimensional objects. It is designed for viewing solid objects at low magnification, but will also permit viewing of some transparent specimen slides. The device comes with a pair of eyepieces, rubber eyecups, two 80mm O.D. stage plates (plastic black/white & frosted glass), a frosted 35.6mm blue filter, and a dustcover. It features an objective turret that changes objective magnification by rotating 90 degrees, a focusing knob, and a tension adjustment collar.
National 409TBL Binocular Stereo provides an upright, unreversed image for viewing 3-dimensional objects. It is designed for viewing solid objects at low magnification, but will also permit viewing of some transparent specimen slides. The device comes with a pair of eyepieces, rubber eyecups, two 80mm O.D. stage plates (plastic black/white & frosted glass), a frosted 35.6mm blue filter, and a dustcover. It features an objective turret that changes objective magnification by rotating 90 degrees, a focusing knob, and a tension adjustment collar.
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