These are fixed focal length lenses, which means if you choose a 25mm lens, it will you a 25mm perspective. In these types of lenses, you can’t zoom in or zoom out. Instead, you can shoot only in one length. Thus, in this type of lens, you will have to move physically to take wider or close shots. It is specially used for  You can only shoot from one length, meaning you have to move your physical body to get street photography, portraits, weddings, and landscapes. They help you get a sharper image and are great for low light conditions. They are also lightweight lenses. But one major problem with a prime lens is that you have to carry different lenses to accommodate different types of lengths in your photographs. Zoom lenses are one of the most versatile lenses. In these lenses, you can click great distant photographs or close-ups standing in one place. Canon 70-200mm is one of the most popular and widely used lenses. 70-200mm means it can zoom between 70mm wide and 200mm close. In zoom lenses, you can easily focus on the object by autofocus mode. Unlike the standard prime lens in the zoom, you don’t need multiple lenses.