Hand held magnifier

Hand held magnifier:   These are commonly used general purpose magnifiers. These magnifiers have precision lenses made of glass/ optical grade acrylic. Sizes & powers available are as under:   Sizes: 32mm, 38mm, 50mm,63mm,75mm,90mm& 100mm Power: +9D,+10D,+ 14D,+ 16D,+20D etc.,( 2.25x, 2.5x,2.6x,3x,3.5x,4x & 5x) Shapes: Round, Rectangular& Square