CHAPTER 14

Filters for Better Image Quality

There are five basic reasons for using filters: (1) to obtain “correct” color rendition on color film or correct gray tones on black-and-white film; (2) to enhance color images or change gray tones in black and white; (3) to create special effects and moods; (4) to reduce the amount of light reaching the film; and (5) to protect the lens.

EXPOSURE INCREASE

Filters absorb light. With light-colored filters (ultraviolet [UV], haze, and some light-balance and color-compensating types), the light loss is so small that it need not be considered in exposure determination. Darker filters, on the other hand, take away a sufficient amount of light to affect exposure. As a result, you need to adjust lens settings ...

Get The Medium Format Advantage, 2nd Edition now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.