aperture the opening of a camera lens that is expressed in F numbers
ASA (American Standards Association) a number such as 100,160,200,400,ect., that represents the speed of the film;means the same as ISO
bulk loader a holder for film in long rolls (normally 100 ft.) that allows you to roll as many exposures as needed into a cartridge.
close-up lens a lens that is placed on the end of a normal lens to bring small things into focus
contact printing before the enlarger was invented, photographers placed negatives on sensitized under glass, and printed directly onto the paper by exposing to direct sunlight
depth-of-field the degree of sharpness of a photograph in front or in back of the area focused on; the smaller the lens opening, the sharper the depth of field
dodging  the darkroom process of holding back light to make an area lighter
double exposure exposing film or paper twice, with sometimes interesting results
electric flash a separate flash unit that is synchronized to go off as the lens opens; varying degrees of flash duration will be used depending on time and distance from the subject
F stop (aperture) the size of the lens opening is an F stop; the smaller the opening (F22 for example), the greater the depth of field will be
field camera camera with lens, bellows, and a spring back that allows a sheet film holder to be inserted between the lens board and the back of the camera
grain irregular clumps of silver on the photographic image; higher ISO gives more grain
gum dichromate an old coating process for drawing paper that makes it photosensitive, giving interesting artistic interpretation in color
high key photo  one that consist mainly of light tones
highlight a reflection in the eye of a subject; the lightest part of the film
ISO (International Standards Organization) a term interchangeable with ASA that is a rating of the emulsion speed of the film
marco lens a lens for close up work
Polaroid Land camera  camera that takes an instant picture
reflex camera through a system of mirrors, the image is reflected on a ground glass screen; reflex cameras are single lens (SLR) or twin lens (TLR)
stereo graph a photo taken with a camera that has two side-by-side lenses that when viewed in a "stereopticon" gives a three-dimensional effect
tripod a three-legged adjustable stand that screws into the bottom of a camera to hold it steady
view camera (field camera) term usually applied to a large box camera mounted on a tripod

            references: http:// www.nh.ultranet.com/~gstewoody/makecam.htm