[Answered] Increasing the focal length in a telephoto lens by a factor of nine, while keeping the aperture size ...

This topic contains a solution. Click here to go to the answer

Author Question: Increasing the focal length in a telephoto lens by a factor of nine, while keeping the aperture size ... (Read 47 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

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

meltdown117

Sr. Member
Posts: 326

Reply #3 on: Jul 28, 2018

You're welcome

« previous next »

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Key anatomical features of Homo habilis include reduced facial size, a parabolic palate, and some br

Gently squeeze along the length of each toe. Move proximal to distal. Squeeze top and bottom first, ...

Lens accommodate

Find the factor demand for labour and the amount of output it will produce. Show all ...

An aluminum wire has a length of 27.0 m and a resistance of 2.90 n at 20.00C. As

Changes in the size of the thoracic cavity during the respiratory cycle

Author Question: Increasing the focal length in a telephoto lens by a factor of nine, while keeping the aperture size ... (Read 47 times)

Related Topics

Need homework help now?