SLR lens knowledge

I guess if you think about it carefully, you are talking about soft focusing, soft is soft, and focusing is focusing.

Soft focus is a kind of soft focus lens.

Speaking of soft-focus lens, it is also called soft-focus lens or soft-focus lens. The photos taken with this lens are very different from the effects of camera moving or focusing incorrectly. It uses the deliberately designed ball difference to make the focus of the subject clear, soft and beautiful. It is a sharp weapon for taking portraits. Dreamlike, it has an excellent effect of concealing skin defects and is deeply loved by portrait photographers. But in the digital age, it seems that few people mention it again, because it is very simple to make blurred images in the later stage. However, an excellent soft-focus lens is still full of charm, which brings unique pleasure to photographers. And its imaging effect is unique.

A fisheye lens is a fisheye lens.

Fisheye lens Fisheye lens is a lens with a very short focal length and a viewing angle close to or equal to180. /kloc-a lens with a focal length of 0/6mm or less. It is an extreme wide-angle lens, and "fisheye lens" is its common name. In order to make the lens reach the maximum photographic angle, the front lens of this kind of photographic lens protrudes to the front of the lens in a parabolic shape, which is quite similar to the fish's eyes, hence the name "fisheye lens". Fisheye lens belongs to a special super wide-angle lens, and its viewing angle strives to reach or exceed the range that human eyes can see. Therefore, the fisheye lens is very different from the real world scene in people's eyes, because the scenery we see in real life is regular and fixed, and the picture effect produced through the fisheye lens is beyond this category.