PADI Photography & Videography Underwater 3

Question 1

What is the recommended minimum shutter speed when hand-holding an underwater video camera to minimize motion blur?

Accepted Answer

1/60 second or faster

Answer

At least 1/60 second shutter speed is recommended for video to reduce motion blur from camera movement and subject motion during filming.

Question 2

An underwater videographer wants smooth, cinematic footage of a shark circling. Which filming technique is most appropriate?

Accepted Answer

Use slow, steady movements and allow the shark to swim through the frame

Answer

Slow, deliberate camera movements combined with letting subjects swim through the frame creates professional, smooth underwater videography.

Question 3

What is the purpose of a red filter in underwater photography?

Accepted Answer

Compensates for red wavelength absorption in blue water at depth

Answer

Red filters add back the red wavelengths absorbed by water, restoring more natural color balance when shooting in blue water without artificial lighting.

Question 4

Which type of underwater housing port is best suited for wide-angle fisheye lenses?

Accepted Answer

Dome port

Answer

Dome ports correct the refraction issues that affect wide-angle lenses underwater, preserving corner sharpness and maintaining the field of view.

Question 5

A diver notices their underwater housing O-ring has a small nick in it before a dive. What should they do?

Accepted Answer

Replace the O-ring before entering the water

Answer

A damaged O-ring cannot reliably seal the housing and must be replaced before diving to prevent water flooding and destroying camera equipment.

(PADI) Certified Professional Association of Diving Instructors Diver Practice Test

(PADI) Certified Professional Association of Diving Instructors Diver Practice Test

PADI Photography & Videography Underwater 3