A pair of x20 eyepieces which come in varying sizes to fit the following microscopes;
x20 eyepieces for MX1 and MX3 stereo microscopes
x20 eyepieces for IMXZ zoom stereo microscope
x20 eyepieces for BMX3 stereo microscopes
x20 eyepieces for SP60 compound trinocular microscope
These eyepieces can be used to boost the magnification of the microscope by doubling the magnification effect of the objectives. They are easily interchanged with the standard microscope eyepieces.