Senior Dissecting Microscope LSRDM-4 

Heavy round base with a precisely designed body, providing convenience for easy lifting and movement. Sensitive focussing is done by rack-pinion moving on a lapped dovetailed guideway with a stopper to limit the downward movement. A joint Revolving Arm is provided for moving magnifying lens over full area of the stage; it is easily replaceble by a special BULL EYE LENS 83mm. dia. to increase the field of vision.

A plano-concave mirror fitted in fork for light reflection, sturdy removable handrests and arrangement for inserting white or black plate for respective background, help easy working on the instrument.
Base - Heavy round base with precisely designed body.
Focussing - Sensitive focussing, done by rack and pinion arrangement. Revolving arm provided for moving magnifying lens over full stage area.
Stage - 100mm x 100mm with glass plate.
Illumination - A plano-concave lens fitted in fork for light reflection.
Optics - 10x & 20x Eyepieces & special Bull Eye Lens 83mm diameter.