Coddington lens/light system for projecting light directly on the specimen being examined. 10X power with 7/16" lens diameter. Length is 6". Penlight batteries included. Availability: Usually ships the next business day. YS-81-34-34$24.95 For information on our full line of geology, geophysical and GPS mapping products, please visit our ASC Scientific main Website at www.ascscientific.com