What Is the Difference Between a Zoom Lens and a Varifocal

question 105

Multiple Choice

What is the difference between a zoom lens and a varifocal lens?

• A) There is no difference
• B) A zoom lens maintains focus when changing field of view
• C) A zoom lens always has automatic focus
• D) A varifocal lens has a longer field of view

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Definitions:

Fiscal Policy

Government adjustments in spending levels and tax rates to monitor and influence a nation's economy.

Lag

The time delay between the occurrence of one event and the occurrence of another event that is directly related to the first.

Monetary Policy

Actions by a central bank to influence the amount of money and credit in the economy to achieve macroeconomic objectives like controlling inflation.

Aggregate Demand

The total demand for all goods and services in an economy at a given overall price level and in a given time period.