• The magnifier comes with a lighted coddington, which provides for sharp images.
• It has a diopter of 40D and focal distance of 1 in., 2.5 cm.
• Its lens diameter is 19.8 mm and its lens diameter is 19.8mm.
• The illuminated coddington has a battery type of AA and battery size of AA.

Coddington magnifiers achieve correction through the use of a single thick lens with a central groove diaphragm, which provides sharp, crisp images