Elsevier · Robinson, E: Introduction to Crime Scene Photography, 1st Edition · Chapter 2

Chapter 2

Figure 2-1, a +1 bracket

Figure 2-2, properly exposed

Figure 2-3, a -1 bracket

Figure 2-4, the Proper Exposure Triangle

Figure 2-5, a -1 exposure with 1/125

Figure 2-6, a proper exposure with 1/60

Figure 2-7, a +1 exposure with 1/30

Figure 2-8, Bulb Exposure Mode

Figure 2-9, Electronic Shutter Release Cable

Figure 2-10, 1/125 freezing a walker

Figure 2-11, 1/250 freezing a jumper

Figure 2-12, 1/500 freezing a car moving at 30 mph

Figure 2-13, snow shown coming down

Figure 2-14, snow eliminated with the proper shutter speed

Figure 2-15, the relative sizes of the f-stops and the apertures they produce

Figure 2-16, a -1 with an f/16

Figure 2-17, a proper exposure with an f/11

Figure 2-18, a +1 with an f/8

Figure 2-19, an f/2 produces a wide aperture

Figure 2-20, an f/22 produces a small aperture

Figure 2-21, an f/2 with focusing on the front number has a very small area in focus.

Figure 2-22, an f/2 while focused on the rear number has a very small area in focus.

Figure 2-23, an f/22 results in a deep depth of field, covering all the numbers.

Figure 2-24, normal contrast on the left, loss of contrast in the middle and digital noise resulting in a spotty/grainy appearance

Figure 2-25, ISO 3200 selected, courtesy of M. Hashimi, GWU MS student

Figure 2-26, ISO 6400 selected

Figure 2-27, lighting with shadows, courtesy of M. Hashimi, GWU MS student

Figure 2-28, sun blocked and the exposure determined with the scissors in the shade, courtesy of M. Hashimi, GWU MS student

Figure 2-29, distracting shadows over a face, courtesy of M. Hur and J. Buffington, GWU MS students

Figure 2-30, shadows blocked and an exposure set for the shade, courtesy of M. Hur and J. Buffington, GWU MS students

Figure 2-31, lens flare

Figure 2-32, Lens hood on the lens, courtesy of M. Simms, GWU MS student

Figure 2-33, blocking the sun with your hand

Figure 2-34, a blue tint from being in the shade, courtesy of M. Hashemi, GWU MS student

Figure 2-35, tint removed with the use of electronic flash, courtesy of M. Hashemi, GWU MS student

Figure 2-36, late afternoon sun producing an orange tint

Figure 2-37, the true color of the car

Figure 2-38, a yellowish tint produced by indoor tungsten light bulbs, courtesy of M. Hashemi, GWU MS student

Figure 2-39, the yellow tint removes by using an electronic flash, courtesy of M. Hashemi, GWU MS student

Figure 2-40, a green tint from indoor fluorescent lighting, courtesy of M. Hashemi, GWU MS student

Figure 2-41, the green tint removed by using an electronic flash, courtesy of M. Hashemi, GWU MS student

Figure 2-42, one example of a color scale, courtesy of S. Dickson and B. Pridgen, GWU MFS students

Figure 2-43, a color scale

Figure 2-44, a typical White Balance set of options

Figure 2-45, Reciprocal Exposure

Figure 2-46, the exposure meter continuum

Figure 2-47, the 18% gray card

Figure 2-48, graphic of a Center Weighted Metering system

Figure 2-48, Spot Metering System

Figure 2-49, Matrix Metering System

Figure 2-50, backlit subject metered with an Averaging Metering System

Figure 2-51, backlit subject lit with Fill-in Flash

Figure 2-52, Snow as metered

Figure 2-53, Snow with a +1 exposure

Figure 2-54, Snow with a +2 exposure

Figure 2-55, black fabric as metered, courtesy of J. Wreh, GWU MS student

Figure 2-56, black fabric with a -1 exposure, courtesy of J. Wreh, GWU MS student

Figure 2-57, black fabric with a -2 exposure, courtesy of J. Wreh, GWU MS student

Figure 2-58, as metered with the sky in view

Figure 2-59, metered without the sky in view, then recomposed with the sky in view

Figure 2-60, Sun and shade in the scene, exposed for the sunny area, underexposes the shady area, courtesy of S. Keppel, GWU MS student

Figure 2-61, Sun and shade in the scene, exposed for the shady area, overexposes the sunny area, courtesy of S. Keppel, GWU MS student

Figure 2-62, Sun and shade in the scene, the camera meter set to properly expose the sunny area and Fill-in Flash set to properly expose the shady area, courtesy of S. Keppel, GWU MS student

Figure 2-63, Exposure Modes

Figure 2-64, exposure compensation button indicated by the ‘+/-’ button

Figure 2-65, exposure compensation indicated by a +2 to -2 continuum.

Figure 2-66, an f/16 Sunny Day shadow, with sharp outlines

Figure 2-67, an f/11 shadow, with non-distinct edges

Figure 2-68, a polarizer filter absorbs light

Figure 2-69, the polarizer filter removing a reflection from glass

Figure 2-70, the polarizer filter removing a reflection from water

Figure 2-71, the polarizer filter capturing the true color of adobe tiles

Figure 2-72, the polarizer filter reducing sun glare and darkening skid marks on the top image

Figure 2-73, a 2-stop neutral Density filter

Figure 2-74, a dented UV filter saved its lens!

Figure 2-75, This UV filter took the punishment so the lens did not have to!