... 20 times 4) Optical high-definition Height adjustable optical high-definition square land magnifier with lamp SUMMARIZEMagnifier series are LT-86A,LT-86B ... A, B, C, E is Φ127mm round lens.USAGE SCOPEMagnifier series can be used by circuit board test, stamp collector, infirmary ... for a long time observation. White glass is of high definition and more comfortable than green glass.NOTICE1. Before usage, ...