Old resin all novelsYou only said " all of Old Tree Serum's novels ", which is too vague. There is no specific content about Old Tree Serum's novels, such as the genre of the novel, the general story, the character information, or the evaluation. I can't recommend them.
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resin plate-making machineThe resin-making machine was also known as the " trademark plate-making machine ". It was mainly used to make solid or liquid resin-making plates. It was more commonly used in the printing of self-curing printing machines and printing machines. When printing, the printing lamp should use authentic high-quality and high-efficiency special UVA.
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Glass resin for camera lensIn camera lenses, glass lenses were widely used. Glass lenses had some advantages. For example, in terms of optical performance, its light transmission rate and sensitivity were higher, and its shooting ability was better in low-light environments. For example, all-glass lenses had better shooting effects at night; Its refraction index was higher, and under the same degree, it was thinner than the resin lens; Moreover, its light transmission rate and mechanical and chemical properties were better. It had a constant refraction index, stable physical and chemical properties, and was more resistant to scratching and not easy to scratch.
However, there were also rumors about the use of resin lenses for camera lenses. For example, there was a saying that Canon and Nikon used plastic lenses for low-end lenses. However, according to some people's lens dismantling experience and personal understanding, they believed that there was no use of resin lenses for camera lenses. The reason was that the price of resin lenses was higher than optical glass. Glass lenses used for camera lenses could be mass produced by molds, so manufacturers did not need to use expensive and poorly reputed resin lenses (the use of resin lenses for glasses was to pursue lighter weight and anti-fall performance, but there was no such requirement for camera lenses). In the public information, only composite aspheric lenses were found to contain resin components (made of glass spherical lenses and resin sheets).
However, there were also new situations. For example, the Huawei P70 series was rumored to adopt the 1MG +7P molded glass-plastic camera lens solution. Here, 1G and 7P represented the ratio of glass and plastic in the lens, and 70% of the lens was plastic. This design allowed the lens to be easily shaped into an aspheric shape and take up less space. Therefore, the camera lens used glass as the main material, and there were also new directions for the exploration of glass-resin hybrids.
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