High-quality prismatic glass replacement lenses for Donegan OptiVISOR binocular headband loupes. Available in four magnifications (Nº 3, 4, 5 & 10) to suit intricate jewellery and stone-setting tasks.
The OptiVISOR LX is perfect for anyone whose profession or craft requires close accurate work with both hands free. Focal length: 14″ (355.6mm). Magnification: 1.75 times
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