This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Increasing the focal length in a telephoto lens by a factor of nine, while keeping the aperture size ... (Read 151 times)

09madisonrousseau09

  • Hero Member
  • *****
  • Posts: 559
on: Jul 28, 2018
Increasing the focal length in a telephoto lens by a factor of nine, while keeping the aperture size constant, will change the f-number by what factor?
 a. 1/3
  c. 9
  b. 1/9
  d. 3

Question 2

Decreasing the aperture diameter of a camera lens by a factor of three will change the f-number by what factor?
 a. 3
  c. 1/9
  b. 9
  d. 1/3


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

meltdown117

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

A


09madisonrousseau09

  • Hero Member
  • *****
  • Posts: 559
Reply #2 on: Jul 28, 2018
TY


meltdown117

  • Sr. Member
  • ****
  • Posts: 326
Reply #3 on: Jul 28, 2018
You're welcome


« previous next »
 

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Gently squeeze along the length of each toe. Move proximal to distal. Squeeze top and bottom first, ... Gently squeeze along the length of each toe. Move proximal to distal. Squeeze top and bottom first, ...
Population size, 1970 - 2050 Population size, 1970 - 2050
What is the length of the staircase? What is the length of the staircase?
pRB Transcription Factor pRB Transcription Factor
Conversion of F+ to an Hfr state occurs by integration of the F factor Conversion of F+ to an Hfr state occurs by integration of the F factor
Experiments showing that long- or short-day plants flower in response to night length. Each horizont Experiments showing that long- or short-day plants flower in response to night length. Each horizont
Video: Magnetic resonance imaging (MRI)

For a complete list of videos, visit our video library