Crime Scene Photography Terms

oblique lighting

side lighting, reveals texture

flash unit

attachable light, connects with sync cord, has light thing

sync cord

allows flash in hard to reach places, helps with oblique lighting

fill flash

evens lighting extremes

macro lens

gets the fine details

flashlight

used in cases such as bite marks because you can see the angle before taking the photo

how to photograph bitemarks

overall and then one arch at a time

sync speed

the fastest shutter speed that allows for full flash exposure without blur.

metering

assess the light to determine proper exposure settings

ready light

a button the lights up when flash is ready for the next photo

guide number

number describing how much light the flash is capable of casting into the scene

TTL

through the lens metering

BL

balanced lighting

Nikon SB 5000

a dedicated flash unit

dedicated flash unit is…

controlled by the light meter in the camera body

diffuser

reduces the power of the flash by diffusing the amount of light that is produced

bounce card

reduces the power of flash by redirecting the light produced

bouncing the flash

reduces the power of the flash produced by bouncing it off of walls, ceilings, or reflectors

low ISO

bright areas

high ISO

dark areas

low f stop

less in focus

high f stop

more in focus

low shutter speed

static objects

high shutter speed

moving objects

ISO

indication of sensors sensitivity to light

shutter speeds

indicated by fractions of a second

bracketing

the intentional overexposure and underexposure of photos taken from the same position

polarizer filter

eliminates reflections or glares