A fisheye lens is a type of wide-angle lens that produces a distorted, hemispherical image.

A tripod is used to stabilize the camera and prevent it from moving, which can cause blurry images.

Digital is not a type of film format, it is a method of capturing images using electronic sensors.

The shutter controls the amount of light that enters the camera by opening and closing.

Metallic paper is not a type of photographic paper, it is a type of specialty paper used for printing images with a metallic finish.

A light meter is used to measure the amount of light in a scene in order to determine the correct exposure settings for the camera.

Infrared filters are not typically used in photography, they are used in specialized applications such as scientific imaging.

A flash is used to provide additional light for a scene, which can be useful in low-light conditions or to create specific lighting effects.

Foveon sensors are not commonly used in digital cameras, they are a type of sensor that is used in some high-end cameras.

The viewfinder is used to compose the image and to focus the lens.

Program mode is not a type of camera mode, it is a setting that allows the camera to automatically select the appropriate exposure settings.

A lens hood is used to reduce lens flare, which is a type of unwanted light that can cause images to appear hazy or washed out.

Tripod straps are not typically used in photography, they are used to secure a tripod to a camera.

A remote shutter release is used to trigger the camera's shutter without touching it, which can be useful for avoiding camera shake or for taking self-portraits.

Rolling bags are not typically used in photography, they are used for transporting luggage.