What is slr meaning?

SLR stands for Single Lens Reflex and refers to a type of camera that uses a mirror and prism system to reflect light from the lens into the viewfinder. SLR cameras typically offer greater control over settings, interchangeable lenses, and faster autofocusing than other types of cameras. They are commonly used by professional and hobbyist photographers to capture high-quality images with precision and control. SLR cameras have largely been replaced by digital SLR (DSLR) models, which offer the added benefit of digital image processing and storage.