| No. | Item | Definition |
|---|---|---|
| 1. | ambient light | Existing light in a scene |
| 2. | aperture | Lens opening controlling light amount |
| 3. | aspect ratio | Relationship of image width to height |
| 4. | autofocus | Automatic focusing by the camera |
| 5. | background | Area behind the subject |
| 6. | balance | Visual weight distribution |
| 7. | black and white | Monochrome without color |
| 8. | blue hour | Twilight with cool blue light |
| 9. | bokeh | Pleasant out-of-focus blur |
| 10. | bracketing | Taking varied settings around target |
| 11. | burning | Darkening selected image areas |
| 12. | burst mode | Rapid sequence shooting mode |
| 13. | camera shake | Blur from camera movement |
| 14. | candid | Unposed natural-looking photograph |
| 15. | catchlight | Reflected light in the eyes |
| 16. | chromatic aberration | Color fringing from lens |
| 17. | color temperature | Warmth or coolness of light |
| 18. | composition | Arrangement of visual elements |
| 19. | compression | Reducing file size by encoding |
| 20. | contrast | Difference between light and dark |
| 21. | depth of field | Range appearing acceptably sharp |
| 22. | diffuser | Material softening light |
| 23. | distortion | Optical shape bending |
| 24. | dodging | Lightening selected image areas |
| 25. | dpi | Print dots per inch |
| 26. | DSLR | Digital single-lens reflex camera |
| 27. | dynamic range | Span from darkest to brightest |
| 28. | EXIF | Technical data stored in image |
| 29. | exposure | Overall brightness from light capture |
| 30. | file format | Type of digital file structure |
| 31. | fill light | Light reducing shadows |
| 32. | flare | Stray light reducing contrast |
| 33. | flash | Brief burst of artificial light |
| 34. | focal length | Lens magnification and angle of view |
| 35. | focus | Sharpness on the chosen subject |
| 36. | foreground | Closest area in the scene |
| 37. | golden hour | Warm light near sunrise or sunset |
| 38. | gray card | Neutral reference for exposure |
| 39. | hard light | Light with sharp shadows |
| 40. | HDR | High dynamic range imaging |
| 41. | highlights | Brightest areas of an image |
| 42. | histogram | Graph of tonal distribution |
| 43. | horizon | Apparent line where earth meets sky |
| 44. | hot shoe | Mount for flash accessories |
| 45. | image stabilization | System reducing camera shake |
| 46. | ISO | Sensor light sensitivity setting |
| 47. | JPEG | Compressed common image file format |
| 48. | key light | Main light source |
| 49. | landscape | Scenic outdoor photograph |
| 50. | layer | Stacked editable image element |
| 51. | leading lines | Lines guiding the viewer’s eye |
| 52. | lens | Optical device that forms images |
| 53. | light meter | Device measuring light levels |
| 54. | long exposure | Using a slow shutter speed |
| 55. | macro | Close-up photography or lens type |
| 56. | manual focus | Focusing by hand |
| 57. | mask | Selective editing control area |
| 58. | megapixel | One million image pixels |
| 59. | metadata | Embedded information about a file |
| 60. | metering | Measuring light for exposure |
| 61. | mirrorless | Camera without reflex mirror |
| 62. | motion blur | Blur caused by movement |
| 63. | negative space | Empty area around subject |
| 64. | noise | Random grainy image speckles |
| 65. | overexposure | Too much light recorded |
| 66. | panning | Following subject during exposure |
| 67. | pattern | Repeated visual design |
| 68. | perspective | Spatial relationship and viewpoint |
| 69. | pixel | Smallest digital image unit |
| 70. | portrait | Photo emphasizing a person |
| 71. | post-processing | Editing after capture |
| 72. | preset | Saved editing adjustment set |
| 73. | prime lens | Lens with fixed focal length |
| 74. | RAW | Minimally processed image file |
| 75. | red-eye | Red pupil effect from flash |
| 76. | reflector | Surface bouncing light onto subject |
| 77. | remote release | Device triggering shutter remotely |
| 78. | resolution | Amount of image detail |
| 79. | retouching | Editing to improve appearance |
| 80. | rim light | Edge light outlining subject |
| 81. | rule of thirds | Compositional grid guideline |
| 82. | self-timer | Delayed shutter release |
| 83. | shadows | Darkest areas of an image |
| 84. | sharpness | Clarity of fine detail |
| 85. | shutter speed | Exposure time for each photo |
| 86. | silhouette | Dark subject against bright background |
| 87. | single shot | One photo per shutter press |
| 88. | street photography | Candid photos in public places |
| 89. | symmetry | Balanced mirrored arrangement |
| 90. | telephoto | Long lens for distant subjects |
| 91. | texture | Surface detail appearance |
| 92. | tilt-shift | Lens controlling perspective and focus |
| 93. | tripod | Three-legged camera support |
| 94. | underexposure | Too little light recorded |
| 95. | viewfinder | Window or screen for composing |
| 96. | vignette | Darkened or lightened edges |
| 97. | white balance | Color adjustment for light source |
| 98. | wide-angle | Lens covering a broad view |
| 99. | workflow | Usual sequence of working steps |
| 100. | zoom | Change focal length for framing |
