Wednesday, January 16, 2008

Before:After:
I used the Photoshop method that Mr. Hiller gave us. I found the WB poinnt in the sky. Any where else made it very washed out. the only other possible point in stead of the sky was the brightest part of the snow.


White Balance

White balance (WB) is the process of removing unrealistic color casts, so that objects which appear white in person are rendered white in your photo. Proper camera white balance has to take into account the "color temperature" of a light source, which refers to the relative warmth or coolness of white light. Our eyes are very good at judging what is white under different light sources, however digital cameras often have great difficulty with auto white balance (AWB). An incorrect WB can create unsightly blue, orange, or even green color casts, which are unrealistic and particularly damaging to portraits. Performing WB in traditional film photography requires attaching a different cast-removing filter for each lighting condition, whereas with digital this is no longer required. Understanding digital white balance can help you avoid color casts created by your camera's AWB, thereby improving your photos under a wider range of lighting conditions.
Cite: http://www.cambridgeincolour.com/tutorials/white-balance.htm

To remove White balance, buy photoshop, upload a picture with an inccorect white balance, go onto google and find a tutorial on "how to remove white balance", follow directions in tutorial and WALA!

Thursday, January 3, 2008

Environmental Portraits

Environmental portrait is a photograph in which the subject's surroundings are important to the portrait.

Example:



Rules of thumb: Make em look good
Use an appropriate flash
Use a good camera

Tuesday, October 16, 2007

Expossure Picures

This is an example of an overexposed image:

This is an example of an underexposed image:
This is an example of a picture with good exposure:


Wednesday, October 10, 2007

Exposure

In photography, exposure is the total amount of light allowed to fall on the photographic medium (Photographic film or image sensor) during the process of taking a photograph. Exposure is measured in lux seconds, and can be computed from exposed value (EV) and scene luminance.

The "correct" exposure for a photograph is determined by the sensitivity of the medium used. For photographic film, sensitivity is referred to as film speed and is measured on a scale published by the International organization of standardization(ISO). Faster film requires less exposure and has a higher ISO rating. Exposure is a combination of the length of time and the level of illumination received by the photosensitive material. Exposure time is controlled in a camera by shutter speed and the illumination level by the lens apture. Slower shutter speeds (exposing the medium for a longer period of time) and greater lens apertures (admitting more light) produce greater exposures.

An important principle of exposure is reciprocity. If one exposes the film or sensor for a longer period, a reciprocally smaller aperture is required to reduce the amount of light hitting the film to obtain the same exposure. For example, the photographer may prefer to make his sunny-16 shot at an aperture of f/5.6 (to obtain a shallow depth of field). As f/5.6 is 3 stops 'faster' than f/16, with each stop meaning double the amount of light, a new shutter speed of (1/125)/(2·2·2) = 1/1000 is needed. Once the photographer has determined the exposure, aperture stops can be traded for halvings or doublings of speed, within limits.

Cite:http://en.wikipedia.org/wiki/Exposure_%28photography%29

Sunday, October 7, 2007

THE TOMATO


This set of pictures are of a tomato just from different angles and views.


Friday, September 28, 2007

This picture, a leaf, showed the first day of Fall.