For precision work and fine details, try the Bausch & Lomb 10x Coddington Magnifier. It's great for working with seed beads, beading needles, and more. It features a 10x magnification power, so it makes it easy to see small details. It has a focal distance of 25mm. Diopers are 40D and the focal distance is 1.0 inch. Diameter is 19.8mm (0.8 inches)
