we are a perfect source to procure junior student microscope which has a well designed body with separate coarse and fine motion knobs with stopper for safety of slides and triple revolving nosepiece. Our junior student microscope contains fixed condenser n.a. 1.25 with iris diaphragm and plano concave mirror 50 mm dia. For natural light. We supply junior student microscope with 'weswox' optics in plywood cabin. eye pieces : h 10x and h15x achromatic objectives : 10x and 45x (sl) total magnification : 100x-675x.