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Thursday, September 19, 2013
Friday, September 13, 2013
Camera History and camera parts
1. Explain the "Camera Obscura" effect. How is it achieved?
Answer: Inside a completely dark room, a tiny hole is created in one wall. Through the hole light is focused, and the outside scene is projected ( upside down ) on the opposite wall. It was achieved because the hole acted like a lens, focusing and projecting light onto the wall of the dark chamber.
2.What invention during the 17th Century helped man get a step closer to creating the modern camera?
Answer: Isaac Newton and Christian Huygens perfected the understanding of optic and the process of making high quality glass lenses.
3. What were the parts of the first modern camera invented by Niepce?
Answer: He added *film* to create the first successful photograph, and the modern camera was born!!!!
4.What do modern digital cameras have in common with Niepce’s camera?
Answers: A lens, film, a hole where light is able to pass through the lens into the camera, and exposes the film.
5.What do digital cameras use to capture an image?
Answer: A electronic sensor called a CCD. Photographs are stored on reusable computer memory devices.
6.What is the difference between the Auto Mode and the Program mode?
Answer: Auto Mode is when the camera will completely control flash and exposure. On most cameras this is labelled *auto*, on others simply "A". Some cameras only have (P)rograms.
Program is a automatic-assist, just point and shoot. Unlike full auto mode, you can usually control flash and a few other camera settings.
7.What is the Portrait mode used for? How does it work?
Answer: To attempt to blur out the background, camera will try to use the fastest available lens setting.
8.What is the Sports mode used for? (not just sports) How does it work?
Answer: To freeze motion, camera will use the highest shutter speed possible.
9.Why should you do a half press on the trigger button?
Answer: Faster camera response time, More control over focus, Encourages better composition, and more.
Answer: Inside a completely dark room, a tiny hole is created in one wall. Through the hole light is focused, and the outside scene is projected ( upside down ) on the opposite wall. It was achieved because the hole acted like a lens, focusing and projecting light onto the wall of the dark chamber.
2.What invention during the 17th Century helped man get a step closer to creating the modern camera?
Answer: Isaac Newton and Christian Huygens perfected the understanding of optic and the process of making high quality glass lenses.
3. What were the parts of the first modern camera invented by Niepce?
Answer: He added *film* to create the first successful photograph, and the modern camera was born!!!!
4.What do modern digital cameras have in common with Niepce’s camera?
Answers: A lens, film, a hole where light is able to pass through the lens into the camera, and exposes the film.
5.What do digital cameras use to capture an image?
Answer: A electronic sensor called a CCD. Photographs are stored on reusable computer memory devices.
6.What is the difference between the Auto Mode and the Program mode?
Answer: Auto Mode is when the camera will completely control flash and exposure. On most cameras this is labelled *auto*, on others simply "A". Some cameras only have (P)rograms.
Program is a automatic-assist, just point and shoot. Unlike full auto mode, you can usually control flash and a few other camera settings.
7.What is the Portrait mode used for? How does it work?
Answer: To attempt to blur out the background, camera will try to use the fastest available lens setting.
8.What is the Sports mode used for? (not just sports) How does it work?
Answer: To freeze motion, camera will use the highest shutter speed possible.
9.Why should you do a half press on the trigger button?
Answer: Faster camera response time, More control over focus, Encourages better composition, and more.
10. What does this symbol mean?
Answer: Disabled flash
Answer: Disabled flash
When would you use this ?
Answer: When you don't want to use the flash
11. What does this symbol mean?
Answer: Auto flash
When would you use this ?
Answer: When the camera thinks it needs more light
12. What happens to your photo if there is too much light?
Answer: The picture will be washed out
13. What happens to your photo if there is not enough light ?
Answer:You have to calculate the right amount of exposure
14. What is a "stop"?
Answer: Represent a relative change in the brightness of light
15. How many stops brighter is the new planet if there are two sons instead of one?
Answer: 1 stop
16. How many stops brighter is the new planet if there are four sons instead of one?
Answer: 2 stops
17. What affect does a longer shutter speed of have?
Answer: It gives more light to the photos
18. What effect does a shorter shutter speed have?
Answer: It takes less light
19. What does the aperture control?
Answer: It controls how much light passes through the camera
20. When adjusting the aperture, how can you increase the amount of light ?
Answer:Opening the setting "Aperture Opening" also know as an F-stop
Aperture: Is a professional photography application that lets you refine images
Shutter: It is a "door" between the camera lens and the film
Exposure: The amount of light allowed to fall on each area
Depth of field: The distance between the nearest and farthest objects
F-stop: The amount of light let into the camera
Focal length: The optical system is a measure of how strong the system converges or diverges light
Shutter: It is a "door" between the camera lens and the film
Exposure: The amount of light allowed to fall on each area
Depth of field: The distance between the nearest and farthest objects
F-stop: The amount of light let into the camera
Focal length: The optical system is a measure of how strong the system converges or diverges light
Wednesday, September 11, 2013
Monday, September 9, 2013
Thursday, September 5, 2013
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