Thursday, October 25, 2012
Wednesday, October 17, 2012
Monday, October 15, 2012
Triangle of Exposure.
1. Aperture - is a hole or an opening through which light travels.
2.Shutter Speed - is the effective length of time a camera's shutter is open.
3. ISO - an optical disc, composed of the data contents of every written sector of an optical disc, including the optical disc file system.
4. Depth of Field - is the distance between the nearest and farthest objects in a scene that appear acceptably sharp in an image.
5. Motion Blur - is the apparent streaking of rapidly moving objects in a still image or a sequence of images such as a movie or animation.
6. Noise and light sensitivity - the measure of a photographic film sensitivity to light. A closely related ISO system used to measure the sensitivity of digital imaging systems
Thursday, October 4, 2012
Pros and Cons on Print and Digital Photo.
Film
Pros
•
Lower
initial cost
•
Better
at capturing detail in whites and blacks
•
More
forgiving of minor focusing issues
•
More
forgiving of exposure problems
•
Film is
still higher resolution
Cons
•
Cameras
are generally heavier
•
Film
can take up a lot of space
•
Film is
a continuing cost
•
Film
must be developed before viewing
•
Unless
you have a darkroom, you are dependent on the lab to edit your images
Digital
Pros
•
10
megapixels is high enough resolution for very large prints
•
Cameras
are generally lighter
•
Memory
cards are small
•
One
memory card can store more images than a dozen rolls of film
•
Images
can be viewed immediately
•
You can
edit your images
•
Only
print images you like
Cons
•
Higher
initial cost
•
Can
easily lose detail in whites and blacks
•
Battery
life
•
Setting
can be hard to figure out
•
Need
computer to get full usage
Tuesday, October 2, 2012
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