The K-mount Pentax 50mm f/1.7 has been around since the late 1970s and remained in production until around 1984. The lens is ...

Lens adapters are clever camera accessories that allow incompatible and vintage lenses to work together. A lens adapter allows photographers to use old-school lenses with digital cameras, attach a ...

While in anything other than full auto mode you can control all a camera's settings, but only Manual mode lets you adjust aperture and shutter speed independently. For more information about other ...