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The production of "halos" round bright spots in an image, by light reflecting from the back of the film-base. General film bases are given a light absorbing coat the anti-halation back to prevent this.
Video recording format, also refer a High Band 8mm format.
One of the three selectable Advanced Photo System print formats; identical to the 9:16 aspect ratio used in high-definition television (HDTV); suitable for wider shots than usual, such as groups; produces prints of 3.5 x 6 inches or 4 x 7 inches
A wide range of density in a print or negative.
Small, very bright part of image or object. Highlights should generally be pure white, although the term is sometimes used to describe the lightest tones of a picture, which, in that case, may need to contain some detail.
Usually rest around the pentaprism of the camera (but some were designed around the film rewind knob). It has an electrical contact which mated with a contact in the mounting foot of the flash unit. This allows the camera to fire the flash at the proper time without any other electrical connections between flash and camera.The fitting on a camera that holds a small portable flash. It has an electrical contact that aligns with the contact on the flash unit's "foot" and fires the flash when you press the shutter release. This direct flash-to-camera contact eliminates the need for a PC cord. Some referred it as accessory shoe. Modern flash demand more than just the main electrical contact and often has more dedicated functions such as TTL control, viewfinder ready light etc.and thus, you will find more secondary contacts other than the main.
Handle Mount flash
Also often referred as bracket flash. It comprised of one arm of the L-shaped bracket extends under the camera body and uses the camera's tripod socket to mount the camera on the bracket. The vertical arm of the bracket serves as a handle and mounts a flash unit in an accessory shoe often on top of the handle portion, but there are other methods. Flash mounted in a bracket usually requires a separate electrical cord to make the electrical connection between camera body and flash unit.
Distance of the nearest object in a scene that is acceptably sharp when the lens is focused on infinity.