Optivisor

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.

DA2: Working distance is 20". Power 1 1/2x

DA3: Working distance is 14". Power 1 3/4x

DA4: Working distance is 10". Power 1 1/2x

DA5: Working distance is 8". Power 2 1/2x

DA7: Working distance is 6". Power 2 3/4x

DA10: Working distance is 4". Power 3 1/2x