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Spare glass lens plate for the Donegan OptiVisor.
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A genuine replacement lens plate for Optivisor headband magnifiers. This #$3$ lens provides $1,75x$ magnification with a comfortable focal length of approximately $14$ inches ($35,56cm$). Made from optical-grade glass, it is designed to reduce eye fatigue during extended periods of assembly or stone setting.
- Product: Replacement OptiVisor Lens Plate
- Style: Half-Frame
- Focal / Power: DA-4 / LX4
- Lens Plate: 2 x 10"
- Country of Origin: United States
