Binocular headband magnifier provides hands-free magnification and viewing for a variety of applications, such as jewelry-making, watch-making, needlework, artwork, electronic inspection, book-reading, print inspection, and stamp-collecting
Available in multiple dioptric strengths that provide a specific magnification power (X), depending on the distance from the object (focal length)
A dioptric number and a magnification number are not the same thing. Diopter strength represents a specific magnification power (X). For example, a 5-diopter provides 2.5X magnification (at a distance of 8')
Optical-grade, acrylic lens ground and polished into a prismatic lens for quality, clarity, and durability
Can be worn over prescription or safety eyeglasses
Black color headband binocular visor with three magnifying lens plates for hands-free viewing
Interchangeable lens plates provide 3X, 4X, and 5X magnification
Optical-grade acrylic prismatic lenses for improved focus and reduced eye strain
Visor tension-adjustment knobs allow visor to tilt out of way when not needed

Technical Details

Size (LWH): 11.2 inches, 7.4 inches, 1.1 inches
Product Details
Product Dimensions: 11.2 x 7.4 x 1.1 inches
Shipping Weight: 0.5 pounds (View shipping rates and policies)
ASIN : B005KLTN7A