Product Name: Magnifier Lens magnification: 20 times Product weight: 176.5g Lens diameter: 7.5cm Product size: 16.5cm × 7.5cm × 1.4cm Lens material: high-definition glass lens Accessories: magnifying glass, mirror bag, mirror cloth, gift box. Main use: enlarge the words of the book or , or appreciate the antique relics in the field, etc.v Magnifying glass handle with screw interface,easy to carry,using zinc alloy,with 8cm large lens,is a gold work. vApplicable to the elderly reading packaging,viewing maps,manuals,field observation,antique appreciation,office printing,jewelry identification,student field trips. vThis product is suitable for people with presbyopia below 300 degrees or normal vision. The magnifying glass of the product is affected by the actual product,and the dissidents are careful to purchase it. vThe magnifying glass is exquisite in workmanship and high quality. It is a collection of office meetings,portable home products that are both textured and easy to use. vThe volume of the magnifying glass is 16.5cm × 7.5cm × 1.4cm,the magnification is 20 times,the net weight is 176.5g,the optical lens has high quality,high transparency,small dispersion coefficient,and can be clearly displayed.