Quiz on 4x 30mm Binoculars

This is a timed quiz. You will be given 120 seconds to answer all questions. Are you ready?

120

What does the "4x" in 4x 30mm binoculars represent?

The diameter of the lenses

The magnification power

The field of view

The weight of the binoculars

Correct! Wrong!

What does the "30mm" in 4x 30mm binoculars refer to?

The focal length of the lenses

The weight of the binoculars

The size of the objective lens

The eyepiece diameter

Correct! Wrong!

How does the 4x magnification of binoculars affect the image?

It makes the image 4 times larger

It increases the brightness of the image

It improves the resolution of the image

It increases the distance between objects in the field of view

Correct! Wrong!

What is the typical field of view for a pair of 4x 30mm binoculars?

100 meters at 1000 meters

300 meters at 1000 meters

150 meters at 1000 meters

50 meters at 1000 meters

Correct! Wrong!

Which of the following is an advantage of 4x 30mm binoculars?

Extremely high magnification

Large and heavy, suitable for long-term use

Wide field of view for easier tracking of moving objects

Enhanced night vision capability

Correct! Wrong!

What type of activities are 4x 30mm binoculars most commonly used for?

Astronomy

Bird watching

Sports events

Military applications

Correct! Wrong!

What is the approximate exit pupil size for a pair of 4x 30mm binoculars?

5mm

7.5mm

10mm

2.5mm

Correct! Wrong!

Which of the following is a disadvantage of 4x 30mm binoculars compared to higher magnification binoculars?

They are less portable

They have a narrower field of view

They provide less magnification

They are more expensive

Correct! Wrong!

Quiz on 4x 30mm Binoculars

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Quiz on 4x 30mm Binoculars

What does the "4x" in 4x 30mm binoculars represent?

What does the "30mm" in 4x 30mm binoculars refer to?

How does the 4x magnification of binoculars affect the image?

What is the typical field of view for a pair of 4x 30mm binoculars?

Which of the following is an advantage of 4x 30mm binoculars?

What type of activities are 4x 30mm binoculars most commonly used for?

What is the approximate exit pupil size for a pair of 4x 30mm binoculars?

Which of the following is a disadvantage of 4x 30mm binoculars compared to higher magnification binoculars?

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Quiz on 4x 30mm Binoculars

What does the "4x" in 4x 30mm binoculars represent?

What does the "30mm" in 4x 30mm binoculars refer to?

How does the 4x magnification of binoculars affect the image?

What is the typical field of view for a pair of 4x 30mm binoculars?

Which of the following is an advantage of 4x 30mm binoculars?

What type of activities are 4x 30mm binoculars most commonly used for?

What is the approximate exit pupil size for a pair of 4x 30mm binoculars?

Which of the following is a disadvantage of 4x 30mm binoculars compared to higher magnification binoculars?

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Purchased - Ravensburger - Mountains of Mayhem 200pc

Purchased - Heebie Jeebies Mug - NASA logo