Sunday, September 6, 2009

A digital photo portrait of mother and child

Unlike many other photography styles, the subjects of portrait photography are often non-professional models. Family portraits commemorating special occasions, such as graduations or weddings, may be professionally produced or may be vernacular and are most often intended for private viewing rather than for public exhibition.

However, many portraits are created for public display ranging from fine art portraiture, to commercial portraiture such as might be used to illustrate a company's annual report, to promotional portraiture such a might be found on a book jacket showing the author of the book.

Digital photoportrait of a little girl

Portrait photography is the capture by means of photography of the likeness of a person or a small group of people (a group portrait), in which the face and expression is predominant. The objective is to display the likeness, personality, and even the mood of the subject. Like other types of portraiture, the focus of the photograph is the person's face, although the entire body and the background may be included. A portrait is generally not a snapshot, but a composed image of a person in a still position. A portrait often shows a person looking directly at the camera.

Digital Photoportrait

Photographs taken with this technique are characterized by blurred streaks emenating from the center of the photograph. The effect is nearly identical to a motion blur image in which the camera is traveling towards the subject. For this reason the zoom burst is typically used to create an impression of motion towards the subject.

Digital portrait photos

Zoom burst is a photographic technique, attainable with zoom lenses with a manual zoom ring. The term is sometimes attributed to Peter Bargh in his article Creative zoom bursts technique. Using the technique involves zooming while the shutter is open with a relatively slow shutter speed, generally below 1/60th of a second. For this reason low light or small apertures are required. It is also possible to achieve a similar effect with either computer software like Adobe Photoshop, (after the photo has been shot) or a photographic filter. In these cases the shutter speed can be as fast as necessary.

Digital photoshoots - portrait

Digital

Digital photographs can be superimposed by using a software photo editor such as Adobe Photoshop or GIMP. Simply alter the opacity of the two images and line them up over each other, or set the layers to multiply mode, which 'adds' the colors together rather than making the colors of either image pale and translucent.

Saturday, September 5, 2009

A classical, digital photo- portrait

Since shooting multiple exposures will expose the same frame multiple times, negative exposure compensation must first be set to avoid overexposure. For example, to expose the frame twice with correct exposure, a -1 EV compensation have to be done, and -2 EV for exposing four times. This may not be necessary when photographing a lit subject in two (or more) different positions against a perfectly dark background, as the background area will be essentially unexposed.

Medium to low light is ideal for double exposures. A tripod may not be necessary if combining different scenes in one shot. In some conditions, for example, recording the whole progress of a lunar eclipse in multiple exposures, a stable tripod is essential.

More than two exposures can be combined, with care not to overexpose the film.

Be a flute - player... digital photoshoot of a nice instrument

It is considered easiest to have a manual winding camera for double exposures. On automatic winding cameras, as soon as a picture is taken the film is typically wound to the next frame. Some more advanced automatic winding cameras have the option for multiple exposures but it must be set before making each exposure. Manual winding cameras with a multiple exposure feature can be set to double-expose after making the first exposure.

Digital photoshoot of my flute

Double exposure


Analogue

In film and photography, double exposure is a technique in which a piece of film is exposed twice, to two different images. The resulting photographic image shows the second image superimposed over the first. The technique can be used to create ghostly images or to add people and objects to a scene that were not originally there. It is frequently used in photographic hoases. It also is sometimes used as an artistic visual effect, especially when filming singers or musicians.