1. Chromatic aberration is caused by A. The shape of the lens B. The dispersive
ID: 1280228 • Letter: 1
Question
1. Chromatic aberration is caused by A. The shape of the lens B. The dispersive property of the lens C. The size of the lens D. Both A and B: shape and dispersive properties of a lens
In a lens, what does the term "aberration" refer to?
The magnifying power of the lens
The absorption of light by the glass in the lens
A fundamental limitation of any telescope to resolve very small details in the image
A defect in the design of the lens which causes distortion or blurring of the image
A large depth of focus::
Allows focusing simultaneously, with equal clarity, on objects anywhere from a couple feet to several hundred feet away.
Is achieved by stopping down the size of an aperture
Is used primarily for shots of brightly lit scene
D. A and B: Allows focusing simultaneously, with equal clarity, on objects anywhere from a couple feet to several hundred feet away, and is achieved by stopping down (reducing) the size of the aperture.
To focus a camera, you move the lens back (closer to the film) or forward (farther from the film). When the lens is closest to the film, are you focused on a near object or a far object
near object
far object
object at an intermediate distance
both near and far objects
A.The magnifying power of the lens
B.The absorption of light by the glass in the lens
C.A fundamental limitation of any telescope to resolve very small details in the image
D.A defect in the design of the lens which causes distortion or blurring of the image
Explanation / Answer
1. D
2. D ( both A and B)
3. A . near object
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.