Prime lenses are a fixed focal length. That means that if you choose a 35mm lens, it will ONLY give you a 35mm perspective (meaning you can’t zoom in and out). You can only shoot from one length, meaning you have to move your physical body to get wide shots vs close ups. Primes (“fixed lenses”) tend to work for all types of photography, specifically street photography, portraits, weddings, landscape, etc.

Fujinon 35mm f/2.0 Lens