Certified Professional Photographer (CPP) Practice Exam

What is a significant drawback of using color correcting (CC) filters?

1. They can enhance color vibrancy

2. They reduce the amount of light

3. They change the shutter speed

4. They are difficult to apply

The correct answer is: They reduce the amount of light

Using color correcting (CC) filters comes with several considerations, one of which is that these filters reduce the amount of light entering the lens. This reduction in light can impact exposure, requiring adjustments to camera settings to achieve the desired exposure level. When using CC filters, photographers must be mindful of this light reduction, especially in situations where lighting conditions are already challenging. When the light is decreased, it becomes necessary to either lengthen the exposure time, open the aperture wider, or increase the ISO sensitivity to maintain proper exposure. This adjustment can potentially lead to other challenges, such as increased noise in high ISO settings or motion blur with slower shutter speeds. Therefore, understanding how CC filters impact light and exposure is crucial for photographers to create the intended effect without compromising image quality.