Forensic Photography Final

Our sun emits energy in an omni directional pattern which we call the electromagnetic spectrum: True or False?

True

We refer to visible light as white light and includes the wave lengths from —— nm to ——nm

380-700

The total visible bandwidth includes the colors:

red, orange, yellow, green, blue, indigo, violet

Angle of —- is equal to the angle of ——

incidence, reflection

Whos is credited for separating white light into its own wavelength?

Isaac Newton

What is the name of the first device that projected an image?

camera obscura

Who is credited for making the first device that projected an image?

Alhazen

Henry Talbot is known for what contribution to photography?

developing the first negative

George Eastman developed the first mass produced camera called what?

film camera or the Kodak

What was the name of George Eastman’s company?

Kodak co.

How many focal points are there for any given distance?

one

DSLR stands for?

Digital single lens reflex

What are the three light metering modes on the camera?

matrix, center, spot

what are four different white balance modes on the camera?

auto, florescent, cloudy, sunny

What percent gray is the light meter on a camera set to?

18%

You will be able to print a 16'“ x 24” image with less noise at an ISO of 1000 than at 800: true or false?

False

the lowest shutter speed when using a 300mm lens on a tripod is 1/300sec: true or false?

false

depth of field increases as your F stop numbers increase: true or false?

true

F22 has a smaller lens opening than F16: true or false?

true

what property of light effects light traveling through a lens?

refraction

In macro photography, the depth of field collapses: true or false?

true

what purpose does the sensor plane on your camera serve?

place where the image is generated

your camera indicates that you have a proper exposure in manual mode at 1/250sec at F8 and you want to increase the F stop to F16. What will this do to your shutter speed?

decrease shutter speed

what does the histogram tell you about your photograph?

data on light and darkness and avoid the ends of the graph

why is the 50mm lens considered the normal lens?

angle of view the human eye sees

In bulb mode, the shutter will stay open for as long as the shutter is depressed: true or false?

true

what does the diopter adjust on a camera do?

refines the view through the lens finder to match photographer’s eye

you are attempting to focus your camera through a mesh wire fence to photograph a knife but your camera won’t focus, how do you solve this problem?

move into manual focus mode to do it yourself

Distance formula

distance x 2

formula for calculating the lowest handheld shutter speed

Inv. FL x (1/focal length)

formula for calculating the adjusted FL for a cropped sensor

cropped sensor x focal length and sensor/focal length

you are assigned to the vice squad and need to photograph at 200ft. what lens is recommended? after you calculate for your cropped sensor what lens would you need?

400 mm and 266

what FL will your lens be equivalent to when set at 55mm?

82.5mm

Overview

a picture of the whole scene

midview

close-up of specific object in relation to something else in the room

close-up

just the specific object with and without scale

the best means for optimizing crime scene photography is to?

maximize the depth of field, fill the frame, and film plane parallel

what is the first photograph taken at a crime scene?

overview

Lower ISOs are best for photographing evidence: true or false?

true

the first photograph was taken by —— in the year ——

Joseph Niepce in 1826

you are going to photograph a victim of an assault, which lens will you use and which light metering mode is best?

50mm and center weighted

It is necessary to use F16 when photographing evidence: true or false?

false

light travels at the speed of what?

1086 mph

when will it be beneficial to use bracketing?

when you want to take multiple pictures with different settings

Three types of reflection

smooth, rough and internal