5 Written Questions
5 Matching Questions
- Color systems divide all colors into which three measurements?
- This type of file format compresses images by discarding pixels; therefore, each time an images is compressed, it loses pixels
- What are luminance and illuminance?
- Stopping a lens down from f/8 to f/16 represents a X stop difference
- What Photoshop tool allows you to select an area of any size or shape by drawing freehand?
- a Two (f/8 > f/11 > f/16)
- b JPEG
- c Hue, Luminance, Saturation
- d Luminance is light reflected from the subject surface (measured by a reflected-light meter), while Illuminance is light falling on a subject surface (as measured with an incident light meter)
- e Lasso tool
5 Multiple Choice Questions
- Sensor size - the larger the sensor size, the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
- The entire range of colors that can be seen, reproduced, or captured. Our eyes have a greater gamut than a print or monitor.
- The intensity of the illumination is inversely proportional to the square of the distance from light to subject. At twice the distance from the subject, the light illuminates only 1/4 of the original.
- Creates deep shadows in eye pockets, under nose, and chin.
5 True/False Questions
An in-camera reflected meter reading a very dark scene indicates an exposure of 1/250th at f/8. For a correct exposure, what should you do? → Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey, underexpose to bring it back to dark.
How much resolution do you need for: Internet? Newspaper? Photographic print? Glossy magazine? → Internet = 72 ppi; Photographic print = 240-300 ppi; Gloss magazine = 400 ppi
In a digital image, the images file sizes corresponds to the total number of what in the image? → Total number of pixels
When mixed in varying proportion, the subtractive primary colors produce what? → All colors
When the subtractive primaries are added together equally, what is created? → Black. Subtractive primaries are Magenta, Yellow, Cyan