Hot Sale Headheld Magnifier Jewelry magnifying Glass Head Wearing Magnifier

1. Lenses are ground and polished to precision ophthalmic standards.
2. The optivisor frame is made of lightweight,durable impact resistant materials.
3. The comfortable continuous headband is fully adjustable to fit any size,quickly and easily.
4. Adjustable pivot knobs hold visor in any position for easy flip-up viewing.
5. Interchangeable lens plates are available for various applications.
6. Len plate no. 2,4,5,10.
7. Magnifying ratio:1.5X,2X,2.5X,3.5X.
8. Focus:20 inches,10 inches,8 inches,4 inches.
9. Carton size: 68x57x45cm
10. Carton quantity: 48pcs/carton
11. Carton Gross weight: 13kg
12. Carton Net weight: 11kg

Thank you for choosing double-lens head-wearing magnifier. You have made a judicious decision due to the innovative design and good quality of the product. This product can be very useful to you with many years of service lifetime if it is correctly used and kept. Please read and keep this operation manual well.

ATTENTIVE POINTS

Double-lens is not safe device. Safe lens must be installed when safety problem is dealt with.

OPTICAL COMPONENTS

Lens plate is made up of two separate magnifying lens, which is made of refraction crown glass of controllable coefficient. Lens is bright finished and mechanically burnished, with the same precision as glasses lens. According to magnifying multiple and focus, lens is prism-shaped. The prism can be seen through viewing lens back, with larger magnifying multiple. The purpose of prism is to help two eyes focus on the object to be viewed by a kind of nearer normal distance in accordance with required magnifying multiple.

Double-lens has four kinds of different magnifying multiples to be applicable to different purposes.

The number at the top left corner of lens shows the approximate dioptric multiple of the lens. According to the indication of the table below, you can view object in light of the indicated focus so as to get the indicated magnifying ratio.

When magnifying ratio becomes larger, the focus will become shorter and visual field range becomes narrower.

Therefore, it is advisable to choose the lens with minimum magnifying multiple to meet your magnifying needs.

LENS REPLACEMENT

1. With the aid of outward pulling of hand, lens and its frame will automatically break away from the shell.

2. Choose required lens, and then insert the plastic nail on lens frame into the two holes on cap shell, finally you can use the product.

HEAD CAP ADJUSTMENT AND LENS HEIGHT

Rotate screw cap anticlockwise, adjust the height of supporting head cap and lens after loosening, fasten the screw cap clockwise after choosing the height, finally you can use the product.

ADJUSTMENT OF HEADBAND TIGHTNESS DEGREE

1. Rotate clockwise to loosen head cap.

2. Rotate anticlockwise to tighten headband.

SOFT AND COMFORTABLE PAD IS INSTALLED INSIDE THE LEATHER SHEATH

THIS PRODUCT HAS FOUR KINDS OF MULTIPLE LENS PLATES FOR CHOICES

When magnifying ratio becomes larger, the focus will become shorter and visual field range becomes narrower. Therefore, it is advisable to choose the lens with minimum magnifying multiple to meet your magnifying needs.

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