In the Know …

Technological Vocabulary

Movin’ on Up Terms

1. Available Light – Light in a room (sunlight or existing room light)

2. Bit Depth – the color capacity of a pixel. For every bit a pixel can carry one color.

3. Bleed – when an image exceeds the size of the page

Movin’ on Up Terms

4. Bounce Light – light reflected off a card or wall

5. CMYK – Cyan, magenta, yellow and black color world used in printing

6. Color Balance- the process of compensating for too much of one color in an image (if an image is too blue, yellow is added to bring the image back in balance

Movin’ on Up Terms

7. Compression – shrinking or squeezing data n an image file

8. Contrast – ratio of dark tones to light tones

9. Crop- removing unwanted portions of a picture

Movin’ on Up Terms

10. Cyan – blueish / green color

11. Default Setting – presetting suggested by the software

12. Depth of Field – the measure of what area of a photograph is in focus

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13. Export – change from on file format into another (form PS to .jpg OR .gif)

14. Exposure – to let light strike film or a digital chip and the process of determining how much light strikes it and for how long.

15. Filter – a colored piece of glass attached to a lens

Movin’ on Up Terms

16. Firewall – software program or hardware set to protect a computer from outsiders wanting to steal info

17. Fixed Focus Lens – a lens preset to one range of distance

16. Focal Length – distance form the midpoint of the lens to the convergence point on the film plane; determines whether it is telephoto, wide or normal lens

Movin’ on Up Terms

19. HSB – hue, saturation and brightness

20. HSL - hue, saturation and lightness

21. Hue - color

22. Index Color – the act of reducing color available to fit a smaller range of colors; done to reduce file size

Movin’ on Up Terms

23. Jaggies – stair stepped pixels on diagonal or curved parts of an image.

24. Key Light – main light source

25. LPI - lines per inch; a measure of resolution on a printing press

26. Mask – a layer or selection of a file used to protect a portion of an image

Movin’ on Up Terms

27. Noise – unwanted artifacts in an image

28. Normal Lens – a lens that has the same focal length as the human eye

29. Saturation – purity or intensity of color

30. Shade – gradation of color with reference to its mixture with black

Movin’ on Up Terms

30. Sharpness – refers to focus and the ability to display detail

31. Speed – the sensitivity of film or a chip to light

32. Tone – value, brightness or lightness; the amount of light a color reflects

33. Zoom Lens – a multiple focus lens