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Photography Module 1 Quiz
Terms in this set (25)
A light-tight box that contains a light-sensitive material or device and a way of letting in a desired amount of light at particular times to create an image on the light-sensitive material.
Converging or convex lens
This will bend the light toward the center of the lens, since one or both sides of the glass curve out. It also takes the various rays of light and bends them toward the same point, which ultimately allows an image to form.
The magnification of a lens; the distance between the lens and the film, when the lens is focused at an infinite distance.
those that magnify an image or make an object seem closer than it really is
This shrinks the object in front of it, by way of a shorter focal length
This opens and closes between the film and the lens, letting light in only when you have told the camera to do so.
The length of time that light is let into the camera in order to expose the film.
The lens opening that allows us to control the amount of light that reaches the film or digital sensor.
Controls aperture; set of overlapping metal plates that expand out to allow more light or fold in on each other to reduce the amount of light.
Depends on size of film grain; The larger the grain of the film, the more quickly it will absorb the light.
Equivalent of film speed
Single lens reflex camera; SLR
has a semiautomatic movement of the mirror, which produces an exact image in the viewfinder.
digital version of the traditional SLR camera.
Point and shoot cameras
those that use an optical viewfinder, rather than having the semiautomatic mirror. This means that the image the photographer sees through the viewfinder is not the exact same image that will be recorded.
Large and medium format cameras
use a negative film size that is greater than the usual 35mm.
These cameras do not use a lens and they have a very small aperture. Essentially, these cameras are light-tight boxes that have a small hole, through which light passes and creates an inverted image on the opposite side of the box as the hole.
use an electronic image sensor to digitally record an image.
the smallest unit of the picture that can be controlled
the file format compresses the image to decrease the size of the image.
a lossless file format; A lossless file format keeps all of the information in the picture, but it means a much larger file size than a compressed file.
RAW or NEF
a file format that is offered on some cameras, particularly higher-end cameras. This file saves the actual data, which are not processed by the camera. These files can be compressed without losing information, and their compressed size tends to be between a TIFF and a JPEG file.
the image quality remains the same as the image is magnified.
Crops the image and enlarges the cropped image to fill the frame of the camera.
simply an adjustment that can be made to the color so that whites will appear white in the photograph, and not yellow or blue.
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