- Focal length: 4 inches (working distance).
- Magnification: 3.5× (10 diopter).
- Optical glass prismatic lenses, ground & polished to precision standards.
- Bevel-edged, interchangeable lens plate; tilts up when not in use.
- Adjustable headband with leather comfort band and padded felt for extended wear.
- SKU:
- 245855
- Color:
- Gray
- Material:
- Felt / Leather
- QTY Per Sell:
- 1
- UPC:
- 633096000465
- Style:
- Binocular
- Key Features:
- Hands-free binocular magnifier
- Tilts up when not in use
- Wear over glasses
- Technical Specifications:
- Magnification: 3.5× (10 diopter)
- Working distance: 4 in (10 cm)
- Glass prismatic lenses
- Working Distance:
- 4 inches (optimal focal distance)
- Lens Details:
- Optical glass prismatic lenses
- Ground & polished, bevel edged
- Comfort & Fit:
- Adjustable headband
- Genuine leather comfort band with padded felt
- Usage Notes / Warnings:
- Not a safety device; do not use in place of safety glasses or face shield.
- Country of Origin:
- USA
- Manufacturer Link:
- https://doneganoptical.com/product/optivisor/
