This Bausch & Lomb magnifier resolves one of the major problems of high-powered magnifiers; the lack of sufficient light on the object. A bulb inserted in the groove of the lens of this magnifier illuminates the object being examined. Half the battle of fighting an infestation is identifying the problem, and this is the perfect tool to aid in the identification of your pests. Requires 2 - "AA" batteries, not included.

Focal Distance: 1"
Diopters: 40
Lens Diameter: 3/4"