What does 35mm focal length mean?

35mm focal length means that the focal length of the lens is 35mm, which means that the frame of the SLR camera is 135 negative. In 135 film, 35mm is the standard size, so the focal length of 35mm becomes one of the common focal lengths. Its viewing angle is moderate, so it can not only take still pictures such as portraits and landscapes, but also capture moving moments. Therefore, the focal length of 35mm is also called "human perspective".

In most cameras, when a 35mm lens is used, a clear and detailed picture can be obtained. At the same time, the optical level of 35mm focal length is relatively simple and the cost is relatively low. This makes the 35mm focal length camera a popular choice for beginners, photographers and mass market consumers.

For professional photographers, the focal length of 35mm is not limited to numbers, but also forms an aesthetic and photographic way. Many well-known photographers and film directors love to shoot their works with a focal length of 35mm to show different perspectives, emotions and creativity. Therefore, the focal length of 35mm is not only a focal length in photography, but also a visual artistic expression.