Here is a list of vocabulary words:
lens |lenz|nouna piece of glass or other transparent substance with curved sides for concentrating or dispersing light rays, used singly (as in a magnifying glass) or with other lenses (as in a telescope).• the light-gathering device of a camera, typically containing a group of compound lenses.
viewfinder |ˈvyoōˌfīndər|nouna device on a camera showing the field of view of the lens, used in framing and focusing the picture.
digital |ˈdijitl|adjective1 relating to or using signals or information represented by discrete values (digits) of a physical quantity, such as voltage or magnetic polarization, to represent arithmetic numbers or approximations to numbers from a continuum or logical expressions and variables : digital TV.Often contrasted with analog .• (of a clock or watch) showing the time by means of displayed digits rather than hands or a pointer.
film |film|noun1 a thin flexible strip of plastic or other material coated with light-sensitive emulsion for exposure in a camera, used to produce photographs or motion pictures :he had already shot a whole roll of film | a new range of films and cameras.• material in the form of a thin flexible sheet : clear plastic film between the layers of glass.
3 a camera attachment that produces a brief very bright light, used for taking photographs in poor light : an electronic flash | if in any doubt, use flash | [as adj. ]flash photography.
2 [as adj. ] (of a page, book, or illustration, or the manner in which it is set or printed) wider than it is high. Compare withportrait (sense 2).
2 [as adj. ] (of a page, book, or illustration, or the manner in which it is set or printed) higher than it is wide : you can print landscape and portrait pages in the same document. Compare with landscape(sense 2).
self-portraitnouna portrait of an artist produced or created by that artist.
All definitions are from the Oxford American Dictionary on my computer.