Quiz Extravaganza – The Answers

Ladder in Naters Village Photo by David Savory

Ladder in Naters Village
Photo by David Savory

A couple of weeks ago we published the questions Jean and Susan cooked up for us in their Quiz Night Extravaganza. We promised answers in due course, so here they are.

Many thanks again to Jean and Susan for such an entertaining evening.

KELSO CAMERA CLUB QUIZ – PART 1

1 What does the acronym HDR stand for?

A) Horrible Disgusting Repulsive
B) High Dynamic Range
C) Hue Distortion Reduction
D) Half Dimension Reciprocity

2. Which of the following is not a tripod manufacturer?

A) Manfrotto
B) Gitzo
C) Really Right Stuff
D) Grippon

3. On a modern camera lens, if your aperture is set at f/2, how many f-stops must you go through to set your aperture to f/22?

A) 7
B) 10
C) 12
D) 20

4. What does it mean when you set your shutter speed to 125?

A) The shutter will remain open for 1.25 seconds
B) The shutter will remain open for 1/125th of a second
C) The shutter will remain open for 125 milliseconds
D) The shutter will remain open for 1/125th of a millisecond

5. What does the term “Prime Lens” mean?

A) The most expensive lens in your camera bag
B) The lens that you use most often
C) Any lens with a fixed focal length
D) Any lens with a fixed aperture

6. Most cameras have four basic exposure modes: auto/program, aperture priority, manual. What is the fourth one?
Shutter priority

7. Name two uses for the mirror lockup function in a DSLR
Cleaning the sensor and reducing camera shake

8. In order to lock in the focus and exposure settings, you will need to ________ before you take each photo.
Press the shutter button half way down

9. True or False: Having the sun directly behind your subject may make the subject appear too dark
True

10. When shooting landscapes, it’s easier to keep the camera level if you use a ________.
Tripod

QUIZ PART 2

1. What was Ansel Adams’ middle name?

A) Aaron
B) Orson
C) Easton
D) Irving

2. What camera was used by astronauts to capture the first photos on the moon?

A) Hasselblad
B) Minolta
C) Leica
D) Mamiya

3. Why are people that are posing for late 19th and early 20th century black & white portraits never smiling?

A) It was too difficult to hold the smile for the long exposures required in those days
B) Dental hygiene was not very advanced and people didn’t want to show their bad teeth
C) That was before anyone had discovered to tell these people to “say cheese”
D) Smiling for no reason was thought to be an indication of lower intelligence (or insanity)

4. Which company invented the first ever digital camera?

A) Sony
B) Nikon
C) Canon
D) Kodak

5.How was the first ever aerial photograph taken (in 1858)?

A) By attaching a camera to a hot air balloon
B) By attaching a camera to a bird
C) By attaching a camera to a kite
D) By attaching a camera to a rocket

6. What does the term “Hyperfocal Distance” refer to?
A) The maximum focal length of any lens
B) The minimum distance from the lens that you can focus on
C) The number of individual f-stops on a particular lens
D) The distance from the lens which all objects will be in focus

7. What does the term “High Key Portrait” refer to?
A) A photo of a person with bright light and no shadows
B) A photo of a person smoking a joint
C) A photo of a person taken at a high altitude
D) A photo of a person wearing handcuffs

8 What would you use a “polarizing filter” for?
A) To prevent the over-exposure of snow at the north or south pole
B) To remove unwanted reflections
C) To darken the sky when shooting into the sun
D) To add a starburst effect to bright lights

9. Symbols
61.61 62.6263.6364.6465.65

66.6667.6768.6869.6970.70

61: Exposure compensation
62: Red eye reduction
63: Macro mode
64: Secure Digital (SD) memory card
65: Auto exposure bracketing
66: APS film
67: DPOF (Digital print order form)
68: Four thirds standard for sensors and lenses
69: PictBridge found on many printers
70: USB connection

10 When using the rule of thirds, you will first need to ________.
Imagine that the photo is divided into thirds horizonally and vertically

Quiz part 3

Abbreviations
1. DSLR
Digital single lens reflex

2. DPI (as in “the image must be 300dpi”)
Dots per inch

3 ISO
International standards organisation

4. AEB (a feature on many cameras)
Auto Exposure bracketing

5. DPOF
Digital print order form

6. GN (used in the description of external flash guns)
Guide number

7. Grad ND (a type of filter)
Graduated neutral density

8. CCD (type of image sensor)
Charge coupled device

9. CMOS (another type of image sensor)
Complementary Metal Oxide Semiconductor

10. AWB (a setting on the camera)
Auto White Balance

11 What is the shutter speed?
The amount of time the shutter stays open


Quiz PART FOUR

1. A tilt-shift lens is most commonly used for what genre of photography?

A) Landscape
B) Miniature (scale-models)
C) Architecture
D) Wildlife

2 Which South African photographer was awarded a Pulitzer prize in 1994 for his image of a vulture stalking a starving Sudanese child?

A) João Silva
B) Greg Marinovich
C) Ken Oosterbroek
D) Kevin Carter

3 What is the best way to adjust the depth of field of an image?

A) The ISO
B) The shutter speed
C) The white balance
D) The aperture

4.You have a 50mm prime lens for your Canon APS-C DSLR (1.6x crop factor). What focal length lens would you use on the following cameras to get the same angle of view?
15.1. a 35mm film camera
15.2. a Nikon FX camera (e.g. the Nikon D3)
15.3. an Olympus DSLR (uses the four-thirds system)

15.1 80mm lens
15.2 80mm lens
15.3 40mm lens

5. Which of these are valid reasons to use the RAW format over the JPEG format
a. you can adjust the white balance later
b. it can more accurately describe the colour information in the image
c. RAW files are generally smaller than JPEG files
d. burnt out highlights can sometimes be recovered
e. RAW files generally use a lossless compression
f. RAW always has the potential to let you create better JPEGs than the camera

All but c) are  valid reasons

6. If you’re taking photos at night and they are coming out blurry, what is the most likely reason?
The camera is using a slower shutter speed

7. What does the Sports scene mode do?
Uses a faster shutter speed

8. When taking close-up shots, focusing is more difficult because of the ________.
Shallow depth of field

9. What is the simplest thing you can change on your camera to vary the depth-of-field?
The aperture of the lens

10. What does ‘125’ mean when you select this for the shutter speed?
a. 125 shots remaining before card full
b. shutter will be open for 1.25 seconds
c. 12.5 seconds self-timer
d. shutter will open for 1/125th second
e. shutter will open for 125 milliseconds (0.125s)