Has heavy round base with a precisely designed body. Sensitive focusing is done by rack-pinion movement. A joint revolving arm is provided for moving magnifying lens overkill areaof the stage. It is easily replaceable bya special bull's eye lens (83mrndia.)to increase the field of vision. A piano-concave mirror reflects sufficient day light and artificial light on the object. Detachable hand rests on both sides of stage provided for a study support during dissection. Provided with lOx & 20x eye pieces and special bull's eye lens (83mm dia.). Packed in wooden carrying cabinet.