What is 1.8 canon lens?

The 1.8 Canon lens refers to a lens with a maximum aperture of f/1.8 that is compatible with Canon cameras. This lens allows for a larger amount of light to enter the camera, resulting in brighter and more detailed images. It is commonly used for low light photography, portrait photography, and shallow depth of field effects. Some popular Canon lenses with an f/1.8 aperture include the EF 50mm f/1.8 STM and the EF-S 24mm f/1.8 STM.