Printed dot magnifier

Printed dot magnifier

What is a print dot magnifier? Generally speaking, the printing dot magnifier is a kind of inspection tool that comes with its own light to check whether there is a printing quality problem in the printed matter. Printing dot magnifier is a kind of printing magnifying glass, which is not only suitable for the printing industry, but also used in other industries such as textile, jewelry and cultural relics identification, measurement and other surfaces. Today, the printing market will come to popularize the magnifying glass of printing outlets for everyone. The printing dot magnifier is a magnifying glass used by the printing industry for work, and the magnification is higher than the daily magnifying glass. As the basic element of image transmission, dots are responsible for the tasks of hue, brightness and saturation in the printing effect; In color composition, it is the organizer of the colors, layers, and contours of the image. However, the dots cannot be clearly identified directly with the naked eye, and must be made with the help of magnifying tools, which is where the printing magnifying glass comes in handy. The printing dot magnifier is mainly used to observe the dot distribution, density, and the shape of the dots of the printed product. In addition, it is to observe whether the printed matter has tortoise lines, whether the color is accurate, and see whether there is any wrong version of the four colors of CMYK, latte art, etc., and use a professional magnifying glass to clearly distinguish. There are also many types of printed dot magnifiers. 1. According to the magnification, it is divided into 10 times, 25 times, 40 times and 50 times, among which the most commonly used printing workshop is 25 times printing magnifying glass. Generally speaking, the one below 20x is a monolithic convex lens, and the magnification is not high; 25x to 50x is a convex lens combination, and the magnification is average; More than 50 times is a new type of electronic magnifying glass, the image distortion is very small, the image is clear, can take pictures, audio and video recordings or image comparison analysis, etc., the price is higher. 2. According to the style, it is divided into folding magnifying glass, pen magnifying glass, and electronic magnifying glass. The folding and written magnifying glass is a pure optical product, which can be observed independently and is quick to use, but the distortion is large and the comparative analysis is inconvenient. The electronic magnifying glass is connected to the computer wirelessly through the USB interface or WiFi, and the image is clear, no distortion, and the analysis effect is better.