Detailed description of lens classification

Beginners who know little about photography learn the classification of shots

Lens classification

Zoom lens: a lens that can change the focal length within a certain range and has multiple fields of view;

Fixed focus lens: a lens with a fixed focal length, focal length and field of view.

How to choose the focal length

Ultra-wide-angle lens: The focal length is below 21mm. This lens has a large viewing angle and is very suitable for shooting large scenes and landscapes.

Wide-angle lens: The focal length is generally between 24-35mm, which can shoot buildings or exaggerated portraits.

Standard lens: The focal length is generally 24-35mm, which can shoot buildings or exaggerated portraits.

Telephoto lens: Common telephoto lenses usually have a focal length of 70-200mm, which can be used to shoot wild animals and concerts in Idol.

Influence of lens focal length on visual field

The larger the focal length, the narrower the field of view; The smaller the focal length, the wider the field of view.