The Camera

Parallax:  is an effect in photography where the image seen in the viewfinder is not framed the same as the image seen through the lens, because the viewfinder is in a slightly different position to the lens.

Pentaprism: A multi sided glass prism housed in the roof of an single-lens reflex camera so that the image that's seen by the lens can be viewed through an optical viewfinder above the lens.

Pellicle Mirror:  A fixed mirror in a single-lens reflex camera that reflects some of the light entering the lens to the ground-glass view screen while permitting most of the light to pass through to the film.

Pentax:  A brand name used by Pentax Ricch imaging company for cameras, sport optics and service.

  

Aperture: a space through which light passes in an optical or photographic instrument. The variable opening by which light enters a camera.

Shutter:  Each of a pair of hinged panels fixed inside or outside a window that can be closed for security or privacy or to keep out light.

Exposure: is the total amount of light allowed to fall on the photographic medium during the process of taking a photo.

Depth of field: is a characteristic of a camera that can be used to enhance the image composition of the photo.

F-stop: is the number ration of the focal length of the lens to the diameter of the aperture.

Focal length: of a lens determines how much magnification it provides.

 viewfinder diopter adjustment

aperture/exposure compensation/erase button

live view/movie record

AE lock

AF point selection 

quick control

ISO menu

drive mode

White balance 

AF mode

playback

display button

speaker
menu
white balance