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EV (Exposure Value)

David Präkel

David Präkel has enjoyed a successful and diverse career in journalism, photography and education. He has taught photography at all levels in the UK and America, at the prestigious Kodak Imaging Training Centre and in his own training workshops in Northumberland. Author affiliation details are correct at time of print publication.

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The Visual Dictionary of Photography

AVA Publishing SA, 2010

Book chapter

...An Exposure Value is a method of stating exposure settings using a single number to represent a range of equivalent combinations of aperture and shutter speed. The Exposure Value unit is one stop. EV0 is a shutter speed of 1 sec at f/1.0...

Bracketing

David Präkel

David Präkel has enjoyed a successful and diverse career in journalism, photography and education. He has taught photography at all levels in the UK and America, at the prestigious Kodak Imaging Training Centre and in his own training workshops in Northumberland. Author affiliation details are correct at time of print publication.

Search for publications

The Visual Dictionary of Photography

AVA Publishing SA, 2010

Book chapter

...Bracketing is intentional over- and underexposure from the indicated exposure, usually done in whole or half stops. When the best exposure may not be that indicated by the light meter, bracketing gives the photographer a choice of images....

Neutral Density (ND) Filter

David Präkel

David Präkel has enjoyed a successful and diverse career in journalism, photography and education. He has taught photography at all levels in the UK and America, at the prestigious Kodak Imaging Training Centre and in his own training workshops in Northumberland. Author affiliation details are correct at time of print publication.

Search for publications

The Visual Dictionary of Photography

AVA Publishing SA, 2010

Book chapter

...A neutral density (ND) filter reduces light intensity equally across the spectrum. It can be used to adjust exposure when it is not desirable or not possible to change the lens aperture – as with some reflex (mirror) lenses). ND filters let...

Aperture

David Präkel

David Präkel has enjoyed a successful and diverse career in journalism, photography and education. He has taught photography at all levels in the UK and America, at the prestigious Kodak Imaging Training Centre and in his own training workshops in Northumberland. Author affiliation details are correct at time of print publication.

Search for publications

The Visual Dictionary of Photography

AVA Publishing SA, 2010

Book chapter

...Aperture is just another word for hole. The hole in question is that in the centre of the lens iris (or diaphragm). Adjusting the size of the hole controls the intensity of the light passed by the lens. Changing aperture therefore becomes...

Exposure Compensation

David Präkel

David Präkel has enjoyed a successful and diverse career in journalism, photography and education. He has taught photography at all levels in the UK and America, at the prestigious Kodak Imaging Training Centre and in his own training workshops in Northumberland. Author affiliation details are correct at time of print publication.

Search for publications

The Visual Dictionary of Photography

AVA Publishing SA, 2010

Book chapter

...Reflected light meters – like the one in your camera – are calibrated to provide an exposure reading that will reproduce an average scene, i.e. mid-grey. An overall dark scene will be overexposed to produce a grey image and a light scene...

Double Exposure

David Präkel

David Präkel has enjoyed a successful and diverse career in journalism, photography and education. He has taught photography at all levels in the UK and America, at the prestigious Kodak Imaging Training Centre and in his own training workshops in Northumberland. Author affiliation details are correct at time of print publication.

Search for publications

The Visual Dictionary of Photography

AVA Publishing SA, 2010

Book chapter

...With film cameras, a double exposure was a common hazard of forgetting to wind the film on between pictures. Two or more images can be made on the same piece of film (double or multiple exposures). A subject can appear two or three times...

Aperture Priority

David Präkel

David Präkel has enjoyed a successful and diverse career in journalism, photography and education. He has taught photography at all levels in the UK and America, at the prestigious Kodak Imaging Training Centre and in his own training workshops in Northumberland. Author affiliation details are correct at time of print publication.

Search for publications

The Visual Dictionary of Photography

AVA Publishing SA, 2010

Book chapter

...The mode is marked A (aperture) or AV (aperture value) on the camera mode dial or menu. Aperture priority is ideal for portraiture or some garden photography, when a wide aperture is chosen to keep the background out of sharp focus.Aperture...

Auto Exposure

David Präkel

David Präkel has enjoyed a successful and diverse career in journalism, photography and education. He has taught photography at all levels in the UK and America, at the prestigious Kodak Imaging Training Centre and in his own training workshops in Northumberland. Author affiliation details are correct at time of print publication.

Search for publications

The Visual Dictionary of Photography

AVA Publishing SA, 2010

Book chapter

...Both Program and Auto Exposure modes set shutter speed and aperture automatically; Auto mode will also use the built-in camera flash in low light situations in preference to a long shutter speed or wide aperture.A camera light meter can...

Exposure

David Präkel

David Präkel has enjoyed a successful and diverse career in journalism, photography and education. He has taught photography at all levels in the UK and America, at the prestigious Kodak Imaging Training Centre and in his own training workshops in Northumberland. Author affiliation details are correct at time of print publication.

Search for publications

The Visual Dictionary of Photography

AVA Publishing SA, 2010

Book chapter

...Exposure is the act of making a photograph. Technically, it is also the total amount of light that is allowed to fall on the film or sensor in the camera. Light falling on the photosensitive material has intensity or brightness (how wide...

Shutter Priority

David Präkel

David Präkel has enjoyed a successful and diverse career in journalism, photography and education. He has taught photography at all levels in the UK and America, at the prestigious Kodak Imaging Training Centre and in his own training workshops in Northumberland. Author affiliation details are correct at time of print publication.

Search for publications

The Visual Dictionary of Photography

AVA Publishing SA, 2010

Book chapter

...Shutter priority is a semi-automatic exposure mode that lets the photographer choose a shutter speed while the camera automatically chooses a matching aperture to produce a good exposure.Shutter priority is ideal for times when a fast...