1, A standard lens is one with a mid-range focal length, typically around 50mm. 2, A macro lens is one designed especially for close-up photography. 3, A telephoto lens has a long focal length and provides a high level of magnification, allowing you to photograph subjects at a moderate to far distance.
A camera is an optical instrument for recording or capturing images, which may be stored locally, transmitted to another location, or both. The images may be individual still photographs or sequences of images constituting videos or movies.