Palmer Library of Things : Magnifiying lamp
(Physical Object)

4X Optical Grade Acrylic lens focal length: 4.5"

Perfect for people who need continuous close focus work or who need compensation for aging eyes & macular degeneration. Help to reduce eye fatigue, can be work for all day long. It covers larger viewing area so you won't have to reposition objects intended to magnify. The heavy-duty non-slip clamp will attach firmly to any desk, table, or ledge up to 3 inches in thickness. Gooseneck is measured 16" in length and can be bend in any direction for your needs, makes it easy to find the perfect lighting angle. Quick charge USB port located on the side of gooseneck, you will be able to recharge smartphones more than 50% within 45 mins, making it one of the fastest USB charging devices among desk lamps.