Why does it look wide when taking pictures?

The width of the hair seam is caused by the camera angle.

Photography, also known as photography and photography, generally refers to the process of exposing photosensitive media through the light reflected by objects. Usually silver salt photosensitive materials, films, films, dry plates, wet plates, etc. Use a camera or a digital camera. With the popularity of smart phones, it has become more popular to take photos of life with mobile phones. The ratio of photos taken by digital cameras is generally 4: 3.

A photo refers to a photo of a person or thing that is exposed with photosensitive paper under a photographic negative and then developed and fixed. A photograph of a person or thing made by exposing photosensitive paper to a photographic negative and then developing and fixing it. This process is completed in a completely closed darkroom, and it is an image formed by scanning and irradiation of red, green and blue (RGB) laser.

Usually, the specifications of photos are expressed in inches, which is different from the diagonal length of products such as monitors. The inches mentioned in the photo refer to the inches on the long side of the photo. For example, a 6-inch photo is a 6×4-inch photo. There is also a commonly used method to indicate the size of a photo in the world, which is to take the integer value of the short side of the photo and add the letter R to indicate it.