Uses Of Pinhole Photography
History and uses of pinhole photography. Read essay on pinhole photography then take online quiz.
Questions and Answers
- 1.
What three things do all cameras have in common?
- A.
Lens, shutter, film
- B.
Aperture, light tight container, shutter
- C.
Shutter, lens, film
- D.
Light tight container, lens, film
Correct Answer
B. Aperture, light tight container, shutterExplanation
All cameras have an aperture, a light tight container, and a shutter in common. The aperture controls the amount of light that enters the camera, the light tight container ensures that no additional light enters the camera and affects the image, and the shutter controls the duration of time that the light is allowed to enter the camera. These three components are essential for capturing and controlling the exposure of an image in any type of camera.Rate this question:
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- 2.
What is the precious metal used in black and white photography?
- A.
Gold
- B.
Platinum
- C.
Silver
- D.
Zinc
Correct Answer
C. SilverExplanation
Silver is the correct answer because it is the precious metal commonly used in black and white photography. Silver halides, such as silver bromide or silver chloride, are sensitive to light and form the basis of traditional photographic film. When exposed to light, these silver halides undergo a chemical reaction that creates a latent image, which is then developed using a series of chemical processes. The silver in the film reacts with the developing chemicals to produce the final black and white image.Rate this question:
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- 3.
What is the function of the shutter?
- A.
Control the amount of light through time
- B.
Focuses the light
- C.
Captures the image
- D.
Holds the film
Correct Answer
A. Control the amount of light through timeExplanation
The function of the shutter is to control the amount of light that enters the camera through time. By opening and closing at specific intervals, the shutter determines how long the camera's sensor or film is exposed to light. This allows the photographer to adjust the exposure and capture a properly lit image.Rate this question:
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- 4.
How does the aperture control the amount of light?
- A.
By time
- B.
By size
- C.
By movement
- D.
By shape
Correct Answer
B. By sizeExplanation
The aperture controls the amount of light by size. The aperture refers to the opening in the lens that allows light to pass through into the camera. By adjusting the size of the aperture, more or less light can enter the camera. A larger aperture (smaller f-number) allows more light to enter, resulting in a brighter image, while a smaller aperture (larger f-number) restricts the amount of light, resulting in a darker image.Rate this question:
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- 5.
How large is the typical aperture on a pinhole camera?
- A.
1 inch
- B.
1 cm
- C.
.5 cm
- D.
.5 mm
Correct Answer
D. .5 mmExplanation
The typical aperture on a pinhole camera is .5 mm. The aperture refers to the small opening through which light enters the camera. In a pinhole camera, the aperture is extremely small in order to create a sharp and focused image. The small size of the aperture allows only a limited amount of light to enter the camera, resulting in a longer exposure time. This helps in capturing detailed and high-quality images.Rate this question:
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- 6.
What strange things have pinhole cameras been made out of?
- A.
Cars
- B.
Oatmeal boxes
- C.
Sea shells
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
Pinhole cameras have been made out of cars, oatmeal boxes, and sea shells. This suggests that pinhole cameras can be constructed using various objects or materials, showcasing the creativity and adaptability of this simple photographic device. The versatility of pinhole cameras allows for experimentation and unique designs, resulting in unconventional and surprising materials being used to create them.Rate this question:
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- 7.
What animal uses a pinhole to see?
- A.
Crab
- B.
Lobstah
- C.
Shrimp
- D.
Nautilus
Correct Answer
D. NautilusExplanation
The nautilus uses a pinhole to see. The nautilus is a cephalopod mollusk that has a unique eye structure known as a pinhole eye. This eye has a small opening that allows light to enter and form an image on the retina. This adaptation helps the nautilus to see in low-light conditions and provides it with a clear and focused vision. Unlike other animals that have complex eyes, the nautilus relies on this simple yet effective pinhole eye to navigate its surroundings.Rate this question:
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- 8.
What ancient cultures mentioned pinhole optics?
- A.
Aztec, zulu, chinese
- B.
Chinese, greek, arabian
- C.
Roman, french, egyptian
- D.
Aztec, english, chinese
Correct Answer
B. Chinese, greek, arabianExplanation
The correct answer is chinese, greek, arabian. These ancient cultures, specifically the Chinese, Greeks, and Arabians, mentioned pinhole optics. These cultures made significant contributions to the development and understanding of optics, including the use of pinhole cameras and the study of light and vision. The Chinese, for example, used pinhole cameras as early as the 5th century BCE, while the Greeks and Arabians also made important advancements in the field of optics.Rate this question:
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- 9.
What does the term camera obscura mean?
- A.
Dark photography
- B.
Drawing with light
- C.
Dark room
- D.
Pinhole camera
Correct Answer
C. Dark roomExplanation
The term camera obscura refers to a dark room. In this context, it is used to describe a device or room that allows light to enter through a small hole or lens, projecting an image onto a surface inside the room. The image appears upside down and reversed, similar to how it would appear on photographic film. The term "camera obscura" is derived from Latin, with "camera" meaning room and "obscura" meaning dark or obscured.Rate this question:
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- 10.
Who was one of the first persons to make pinhole photographs?
- A.
Niepce
- B.
Talbot
- C.
Brewster
- D.
Grepstad
Correct Answer
C. BrewsterExplanation
Brewster is one of the first persons to make pinhole photographs.Rate this question:
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Mar 20, 2023Quiz Edited by
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Oct 27, 2011Quiz Created by
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