This magnifier has a large sized (130 mm diameter) specially designed precision ens that gives 4X area magnification without any chromatic or spherical aberrations over the entire field of view,
thus providing perfect strain-free vision.The lens provides bi-ocular vision with depth perception and comfortable 250 mm working distance underneath, thus providing for ease of operation under the
lens.
This magnifier has a large sized (130 mm diameter) specially designed precision ens that gives 4X area