1: What type of zoom crops the image and enlarges this cropped image to fill the frame of the camera?
2: A photograph is taken by letting light fall on a light-sensitive medium, which then records the image onto that medium.
3: A camera in manual mode means that the camera will make all of the adjustments for the photographer.
4: In a pinhole camera, the image seen in the camera will be inverted.
5: Rather than having a mirror within the camera that reflects the image, point and shoot cameras have viewfinder that goes directly through the camera, giving the photographer a slightly different angle on the scene that what the shutter will open to capture.
6: What are pixels?
7: What opens between the lens and the film in order to create the photograph?
8: The magnification of a lens is also known as which of the following?
9: The white balance of an image can be affected by the particular lighting at the photograph site.
10: Aperture is the length of time that light is let into the camera in order to expose the film.
11: A lens can simply be a curved piece of glass.
12: How do point and shoot cameras differ from SLR cameras?
13: Generally, each pixel in an image creates 25 bytes of data.
14: Aperture is controlled by what in the camera?
15: RAW files can be compressed without losing information.
1: Digital Zoom
2: True
3: False
4: True
5: True
6: The smallest unit on the image that can be controlled.
7: A shutter
8: Focal length
9: True
10: False
11: True
12: What is seen in the viewfinder is not an exact replica of the image that will be taken in point and shoot cameras
13: False
14: Iris diaphragm
15: True
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1: What type of zoom crops the image and enlarges this cropped image to fill the frame of the camera?
- Digital Zoom
2: A photograph is taken by letting light fall on a light-sensitive medium, which then records the image onto that medium.
- True
3: A camera in manual mode means that the camera will make all of the adjustments for the photographer.
- False
4: In a pinhole camera, the image seen in the camera will be inverted.
- True
5: Rather than having a mirror within the camera that reflects the image, point and shoot cameras have viewfinder that goes directly through the camera, giving the photographer a slightly different angle on the scene that what the shutter will open to capture.
- True
6: What are pixels?
- The smallest unit on the image that can be controlled.
7: What opens between the lens and the film in order to create the photograph?
- A shutter
8: The magnification of a lens is also known as which of the following?
- Focal length
9: The white balance of an image can be affected by the particular lighting at the photograph site.
- True
10: Aperture is the length of time that light is let into the camera in order to expose the film.
- False
11: A lens can simply be a curved piece of glass.
- True
12: How do point and shoot cameras differ from SLR cameras?
- What is seen in the viewfinder is not an exact replica of the image that will be taken in point and shoot cameras
13: Generally, each pixel in an image creates 25 bytes of data.
- False
14: Aperture is controlled by what in the camera?
- Iris diaphragm
15: RAW files can be compressed without losing information.
- True
1: The type of zoom that crops the image and enlarges the cropped portion to fill the camera frame is called digital zoom. This zooming technique only enlarges a portion of the image, resulting in a loss of image quality.
2: This statement is true. A photograph is recorded by light falling on a light-sensitive medium, which can be film or an electronic sensor. The light causes a chemical reaction in the film or captures electrical signals in the sensor, resulting in the formation of an image.
3: This statement is false. In manual mode, the photographer has control over the camera's settings, such as aperture, shutter speed, ISO, and focus. The camera does not make the adjustments automatically.
4: This statement is true. In a pinhole camera, the image formed on the film or sensor is inverted. This is due to the way light rays pass through the small pinhole and project an upside-down image on the opposite side.
5: This statement is true. Point-and-shoot cameras do not have a mirror that reflects the image into an optical viewfinder like SLR cameras. Instead, they have a viewfinder that gives a slightly different angle on the scene compared to what will be captured when the shutter is pressed.
6: Pixels are the smallest units that make up a digital image. They are tiny squares or dots of color that combine to form the complete image. Each pixel represents a specific color and brightness value.
7: The opening between the lens and the film (or sensor) that controls the amount of light entering the camera is called the aperture. It is usually formed by adjustable blades that can create a small or large opening.
8: The magnification of a lens is also known as its focal length. It determines the field of view and the degree of magnification achieved when capturing an image.
9: This statement is true. The white balance of an image can be affected by the type of lighting present at the location where the photograph is taken. Different light sources have different color temperatures, which can impact the white balance and color reproduction of the captured image.
10: This statement is false. Aperture refers to the size of the opening in the lens through which light enters the camera. It controls the amount of light and depth of field, but not the length of time the light is let into the camera. The length of time is determined by the shutter speed.
11: This statement is true. A lens can indeed be a curved piece of glass, often with additional components like elements to correct distortions and improve image quality.
12: Point-and-shoot cameras differ from SLR cameras in various ways. One significant difference is the viewfinder system. In point-and-shoot cameras, the viewfinder does not provide an exact replica of the captured image, while SLR cameras use an optical viewfinder that shows the same scene captured by the lens. Additionally, point-and-shoot cameras often have fixed lenses, limited manual control options, and smaller sensor sizes compared to SLR cameras.
13: This statement is false. The amount of data created by each pixel in an image can vary depending on factors such as color depth and compression. However, a general estimate is that each pixel creates around 3 to 4 bytes of data, not 25 bytes.
14: Aperture is controlled by an iris diaphragm in the camera. The iris diaphragm is composed of adjustable blades that can expand or contract to change the size of the aperture opening, thus controlling the amount of light entering the camera.
15: This statement is true. RAW files are uncompressed image file formats that preserve all the information captured by the camera sensor. They can be compressed, typically in lossless formats, without losing any image details or quality.