A professional quality headband magnifier which has been used by thousands of modellers for over 30 years but also widely used in industry and in any situation which demands a high level of optical performance. The prismatic glass lenses are ground and polished to precision optical standards, bevel edged and mounted in an interchangeable plastic frame. The Optivisor is  supplied with a one plate - usually a DA-5 - 2.5x magnification (with a woking distance of 8″/20cm) but you can choose any one of 5 other lens plates with magnifications from 1.5x to 3.5x. These are also available for seperate purchase please see our separate listings.
The OptiVISOR can be worn over normal spectacles and tilts upwards when not in use.

Also available is clip on light - visorlight and Optiloupe - an additional clip on lens for further 2.5 magnification. Please see separate listings

DA-2 = 1.5x magnification -  working distance 508mm

DA-3 = 1.75x magnification -  working distance 355mm

DA-4 = 2x magnification -  working distance 254mm

DA-5 = 2.5x magnification -  working distance 204mm

DA-7 = 2.75x magnification -  working distance 153mm

DA-10 = 3.5x magnification -  working distance 102mm

Genuine Donegan Optivisors