Bausch & Lomb Hastings Triplet 7x Magnifier – Model 816168

For professional use, Hastings hand lenses from Bausch & Lomb offer the clearest and brightest image available. Hastings triplet magnifiers incorporate three separate lenses bonded together to form a compound lens to provide sharp, very distinct magnified images without distortion even under 14 and 20 power magnification. The 7 x magnification model has the largest field of view and depth of field of any of the Hastings lenses and is a remarkably fun lens to look through.. The diameter of the lens is 19.8mm. the focal length is 1.5″ inches (3.9cm). The sides of the lenses are coated black to reduce glare when using. the swing away nickel plated case protects the lens and also serves as a handle. includes a padded bag for transport though most people attach these to a lanyard. Assembled in the US with US and imported parts. Model number 816168. Weight 2 oz.