Lenses & Lens Adapters
Many compact digital cameras accept add-on converter lenses. Converter lens are relatively inexpensive and extend the flexibility, capability and focal range of a built-in lens. A converter lens may require a special adapter so it mounts correctly on the front of a camera.
Converter lenses & adapters
Digital camera converter lenses modify the focal length of the built-in camera lens, extending its flexibility and capability.
Lens adapters
Using a lens adapter allows you to attach filters, converter lenses and other accessories to a digital camera.
Why to use a lens hood
A lens hood helps prevent flare by blocking light from entering a camera lens. But it can also cause vignetting.
What is lens speed?
The maximum size of the aperture determines whether a lens is considered fast or slow.