Does the manufacturer of spherical lens analyze the difference between spherical and aspherical? (4)
2. Some people will feel uncomfortable after wearing aspheric glasses. If the degree is correct, it may be the problem of eye maladaptation. People's eyes have a certain period of adaptation to things.
3. Comprehensive comparison of spherical and aspheric surface by manufacturer of spherical lens. When you look through an aspherical lens you have very little distortion, very little, but you still have distortion but it's much better than a spherical lens. Plastic molding technology for aspheric optical parts Optical plastic molding technology is an advanced technology for manufacturing plastic aspheric optical parts. manufacturer of spherical lens include injection molding, casting molding and pressing molding. Optical plastic injection molding technology is mainly used to mass produce aspheric lens optical parts with diameters of less than 100 mm, and also to manufacture miniature lens arrays. The casting and molding technology of spherical lens manufacturers is mainly used to manufacturer of spherical lensoptical parts with diameters of more than 100 mm.
Plastic aspherical optical parts have many advantages, such as light weight, low cost, optical parts and mounting parts can be injected into a whole to save assembly workload, and good impact resistance, etc., so they have great advantages in military, photography, medicine, industry and other fields. Often broad application prospects. For example, nine aspheric plastic lenses are used in the US AN/AVS-6 pilot low-light night vision glasses. In addition, aspheric plastic lenses are used in the AN/PVS-7 infantry low-light night vision glasses, HOT night vision glasses, Bronzer laser-guided artillery seeker and other optoelectronic guidance seeker, laser rangefinder, military telescopes, and viewfinders for various cameras. In the manufacture of aspherical optical parts for terminal guidance automatic seeker, TBE company of the United States has made economic analysis and comparison of several optical plastic lens forming technologies. manufacturer of spherical lens believe that injection molding technology is better than injection molding technology to manufacture aspherical plastic optical lenses.
