Optivisor DA7 - 2.75X Omega® 37.6 total height of crown including

total height of crown including pipe 2

60 mm in diameter with a height of 1

friction into the case 1

fits Omega case REF 5660021

Its round shape and adjustable screw provide stability and precision

Optivisor DA7 - 2.75X Omega® 37.6 total height of crown includingOptivisor DA7 2 3 4X features a working distance of 6" and has a magnification of 2 3 4X. Optivisor is our best selling, most requested, brand of headband magnifiers. It features a dial adjustment headband to fit any head size. Well made magnifier is lightweight and durable, and fits over eyeglasses. Adjustable pivot assembly on visor can be set to desired tension, so it will stay in place when tilted.