If a 4MP camera can give a 4x6" print at a certain quality, how many megapixels would be needed to generate a print twice the size (12x8") at the SAME quality?

The most common process for a reversal film (slide) is:

True or False: A red filter will soften clouds and lighten skies when using B&W film.

What does EXIF stand for, when referring to digital image data?

Which two brothers introduced the first viable colour process in 1907?

What color temperature are household tungsten bulbs?

Which f/stop will render a photograph with the most depth of field?

What is another name for a mirror lens?

Of the following focal lengths, which lens will create the greatest compression?

What does the term "white balance" mean ?

Which lens would likely provide the greatest barrel distortion?