Product Name:Adjustable Reading Glasses;Keyword:Adjustable Reading Glasses;Material:TR;Type:Newest Fashional;Logo:Accept Print Customer's Logo;Color:Picture Shown;Feature:15 Years Experience;Usage:Reading Glass Optical;Quality:High Qulaity;MOQ:10pcs;prov
Adjustable Diopters Reading Glasses -3 To +6 Strength Myopia Glasses Reading Glasses TR90 Adjustable Focal Length Eyeglasses Port SHENZHEN Selling Units: Single item Single package size: 20X15X10 cm Single gross weight: 1.000 kg Supply Ability Supply Ability 5000000 Piece/Pieces per Month Reading Gla...
It is common to specify the dioptric power of prescription glasses, for example, whereas the focal length is usually specified for standard lenses, microscope objectives and photographic objectives.The dioptric power is often a more convenient specification than the focal length....
In addition, in the first embodiment, parts of the interior of the image reading unit housing12which can be seen through the contact glasses24(particularly through the first glass241) are also in a dark color. Specifically, the inner wall surface of the image reading unit housing12, the inne...
FIG. 4A is a schematic representation of the Depth of Field Chart used in the design of the image formation optics in the Digital Imaging-Based Bar Code Reading Device, wherein image formation lens resolution characteristics are plotted against the pixel limits of the image sensing array; FIG....
MG7802三重态放大镜具有10倍放大倍率和日光和紫外线led,是研究真菌学的理想选择。你可以有一个个性化的版本激光刻有您的公司标志,一个小的额外收费。周转时间是尊重和接触是容易和友好的。它是顶部 根据 英语 翻译而来 显示原文 MG7802 30x Triplet Jewelry magnifier with LED and UV Light ...
可变透镜技术: 该产品具有可变透镜,可以从-6D调节到 + 3D,使其适合不同程度近视的个人。 可定制的颜色选项: 框架有一系列可定制的颜色可供选择,以匹配各种个人风格和偏好。 男女通用设计: 该产品的设计适合男性和女性,确保所有用户舒适时尚。 多功...
Product Name:Adjustable Reading Glasses;Material:Metal Frame+PC Lens;Certification:CE UV400;Color:Customize Color;MOQ:1PCS;Quality:High Quantity;Logo:Customer's Logo;Delivery Time:3-7 Days;Package:1pc/opp Bag;Age:Audlt;provide mould making and sample mak