Fixing the visor ring of mobile phone lens

發布時(shí)間(jiān)：

2023-02-15 14:35

　　The shading ring on the traditional lens is control€led by the aperture leaf, ¶and the reduction of the apertγure leaf can reduce the amount of light₩ entering the photosensitive element, thereby controlling the depth of f‍ield and image quality of the picture. However, on the mobile phone, due to← the size, the lens of the current m★obile device cannot adopt the traditional aperture leaf structure, so the curre≈nt shielding ring of the mobile phone ÷is fixed.

　　In the past, we have found in many domestic γmobile phone reviews that many manufacturers ↔have adopted aggressive f/2.0 or even f/1.8 apertures.‍ The usability of the night picture has in₹deed improved, but we found that the picture quality is not ☆as good as the lens aperture÷ under sufficient light. IPhone 4s with f/2.4.

　　Some big manufacturers do not γuse the lens group with the largest aperture now, of course, it is not because  of lack of money. Large aperture is of course a good gimmick and has certain advantage→s in poor light environments, but it will bring a‌bout loose edges of the picture and de"terioration of picture quality.

　　In fact, these problems will also appear on traditional cameras, and♣ at this time camera users usually adopt the approach of "sσhrinking the aperture". For example, for a lens with an aperture of f/1.4, to obtain better image↔ quality, the aperture may have to be reduced to ∞f/2.8, and the best image quality may eveσn be reduced to f/5.6. And the smaller the aperture, the deeper the d∏epth of field, so the film will be more solid.

　　However, with the development of techno♣logy, the micro lens group on mobile devices will soon have the♠ ability to adjust the apert✘ure.

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