Wednesday, October 24, 2012

Triangle of Exsposure

Definitions:

Aperture: A usually adjustable opening in an optical instrument, such as a camera or telescope, that limits the amount of light passing through a lens or onto a mirror.

Shutter Speed: The unit of measurement which determines how long shutter remains open as the picture is taken.

ISO: Measures the sensitivity of the image sensor.

Depth of Field: The distance between the nearest and the furthest objects that give an image judged to be in focus in a camera.

Motion Blur: The apparent streaking of rapidly moving objects in a still image or a sequence of images such as a movie or animation.

Noise and Light Sensitivity: Random (not present in the object imaged) variation of brightness or color information in images.

Slow Shutter speed


Tuesday, October 2, 2012

Print vs. digital


Print vs. digital

Digital:

Pros-

·       Fast, speedy, downloadable pictures.

·       Ability to edit and duplicate into multiple sizes and formats.

·       Ability to take a vast amount of pictures to capture everything you want.

·       Easier sharing capability with digital photos because they

·       No worries about film usage and running out of film.

Cons-

·       Often digital cameras come with a lot of features and are complex to use.

·       Often use a lot of battery life and can raise you in cost for replacing them.

·       Digital cameras can cost a lot of money as well when you get a good one it can start at around $700.

·       Memory cards for the cameras can cost a lot of money as well.

·       When uploading, if you have a lot of pictures it can be a long process.

 

 

 

 

 

Print:

Pros-

·       Low initial price to start out.

·       Captures greater details in black and white.

·       More forgiving in minor focusing issues.

·       Film is still a very high resolution and takes quality pictures.

·       More forgiving in exposure problems.

 

Cons-

·       Cannot view images before they are edited.

·       Unless you have your own darkroom, you must depend on a lab to develop your photos.

·       Film is a continuing cost to supply yourself with.

·       Cameras for film are often heavier.

·       Film can take up a lot of space and you have to carry it around with you.