Head Magnifier Optivisor Lens Glasses Magnifying Visor Glass Headband 4 Lenses

Features:
A binocular headband magnifier which permits unrestricted user efficiency while reducing eye strain-leaves both hands and allows three dimensional vision. Used by anyone whose profession or craft requires close accurate work.
Optical glass lens: Ground and polished to accuracy optical standards-bevel edged and mounted in an interchangeable plastic frame.
It tilts: Adjustable pivots allow the visor to be tilted out of the way when not needed and at your fingertips when you need magnification.
Adjustable headband: Conforms to fit all head sizes-fabricated from a blend lightweight material. Comfortable when worn for long periods of time.
High impact visor: Provides a tough, durable, always- appearance.
Genuine leather comfort band: Padded orthopedic felt adds to comfort.
Can be worn over prescription or safety eyeglasses.
4 Pieces Interchangeable / Replaceable lens.

Specification:
Magnification: 1.5X, 2.0X, 2.5X, 3.5X;
Focal Length: 20 inches, 10 inches, 8 inches, 4 inches;
Material: Optical Glass Lens, Plastic, Metal;
Size: 248 x 200 x 50 mm / 9.76 x 7.87 x 1.97 inch.

Advantages:
You can clear solid view in wide sight through the double lens’ glass.
Sturdy and compact buckle head wearing tape, it can be easily adjusted to suit your head size.
Very Convenient to use: it’s no need for users to take your glasses and your hands can move freely.
Increase the sight for accuracy inspection user under magnifier.

Package Included:
1 x Magnifier;
4 x Lenses;
1 x User Manual.