$7.99
Clear, unbreakable lens, w/swing-out/folding action, (round, 3 cm across). 7 cm x 3.5 cm x...
$1.99
3x magnification. Roughly credit-card-sized, 8 cm x 5 cm, (3-1/8" x 2"), flat.
$2.99
Round glass lens, with black metal frame and handle. 3x magnification. 4" across, (10.16cm)