Forensic Photography

Aperture

An aperture is an opening through which light can pass.

Shutter speed

Shutter speed is how long a camera lets light in when taking a photograph.

ISO

ISO controls how sensitive a camera is to light and affects the brightness and graininess of a photograph.

Depth of field

Depth of field is how much of a photograph is in focus.

Exposure

The amount of light reaching the camera sensor.

Focus

Making the subject appear sharp and clear.

Resolution

The amount of detail an image contains.

ALS (Alternative Light Source)

Uses different wavelengths of light to help reveal certain types of evidence.

UV photography

Uses ultraviolet light to photograph certain materials

IR photography

Uses infrared light to reveal details that may not be visible under normal lighting.

Oblique lighting

Uses light at an angle to highlight surface details

Digital photography

Uses an electronic camera sensor to capture images

What is shallow depth of field?

Where only the areas near to the lens are in focus

What is balanced flash used for? 

When the scene inside is lighter than outside 

Overexposed

Too much light

Underexposed

Too little light

What is the correct format for someone's exhibit number?

GLB/1