OptiVISOR® DA-10 Magnifying Glasses (3.5 X Magnification at 4") Shopify Collective This sizing is most popular

This sizing is most popular with Gibson® SG® Standard guitars that utilize an ABR-1 bridge with threaded posts

SCT-1 controls

Advanced Slot Design: The re-imagined slots perfectly accommodate the unique string behavior on Floyd Rose-style guitars

Whether you're just starting out or refining your technique

providing a clear and user-friendly interface

OptiVISOR® DA-10 Magnifying Glasses (3.5 X Magnification at 4") Shopify Collective This sizing is most popularThe Genuine Donegan OptiVISOR is a precision binocular headband magnifier that permits unrestricted user efficiency while reducing eye strain. It leaves both hands free and allows three dimensional vision. Used by anyone whose profession or craft requires close accurate work. Can be worn over prescription or safety eyeglasses. DA 10 gives 3. 5 X magnification and focuses at 4". This is the original OptiVISOR proudly made by Donegan Optical Ltd right