LeoUnderstanding EXIF Data: A Comprehensive Guide to 100 Terms and Jargons in Photography Metadata

100 list

  1. Aperture: The opening in the lens through which light enters the camera.
  2. Aspect Ratio: The width-to-height ratio of an image.
  3. Auto Exposure Bracketing (AEB): Taking multiple photos with different exposures automatically.
  4. Backlight: Light that comes from behind the subject.
  5. Bit Depth: Number of bits used to represent each pixel.
  6. Bokeh: The aesthetic quality of out-of-focus parts of an image.
  7. Brightness: Overall lightness or darkness of an image.
  8. Burst Mode: Taking multiple shots in quick succession.
  9. Color Balance: The overall mix of colors in an image.
  10. Color Space: The range of colors that can be represented in an image.
  11. Compression: Reducing file size by removing data.
  12. Contrast: The difference between the lightest and darkest areas of an image.
  13. Crop Factor: The ratio of the dimensions of a camera's imaging area compared to a reference format.
  14. Depth of Field (DOF): The distance between the nearest and farthest objects in focus in an image.
  15. Digital Negative (DNG): An open lossless raw image format.
  16. Digital Zoom: Enlarging a portion of an image digitally.
  17. DPI (Dots Per Inch): Measurement of image resolution.
  18. Dynamic Range: The ratio between the maximum and minimum measurable light intensities.
  19. Exposure: Amount of light per unit area reaching the image sensor.
  20. Exposure Bias: The adjustment of exposure set by the camera.
  21. Exposure Compensation: A technique for adjusting the exposure indicated by a photographic exposure meter.
  22. F-number: The ratio of the lens's focal length to the diameter of the entrance pupil.
  23. Focal Length: The distance between the lens and the image sensor.
  24. Flash: A burst of light from a camera to illuminate a scene.
  25. Frame Rate: The frequency at which consecutive images are captured.
  26. Gamma Correction: The process of altering the output intensity of light.
  27. Histogram: A graphical representation of the tonal distribution in a digital image.
  28. Hot Shoe: A mount on a camera to attach a flash unit.
  29. Image Stabilization (IS): A family of techniques reducing blurring.
  30. ISO Speed: The sensitivity of the camera's image sensor.
  31. JPEG (Joint Photographic Experts Group): A commonly used method of lossy compression for digital images.
  32. Light Meter: A device used to measure the amount of light.
  33. Macro: Extreme close-up photography.
  34. Manual Mode: A setting that lets the photographer control all the settings.
  35. Megapixel: One million pixels.
  36. Metering Mode: The way a camera determines exposure.
  37. Noise: Random variation of brightness or color information in images.
  38. Optical Zoom: Changing the focal length of a lens.
  39. Overexposure: Receiving too much light, resulting in a too-bright image.
  40. Panning: A technique where the camera is moved horizontally.
  41. Pixel: The smallest controllable element of a picture represented on the screen.
  42. RAW: A file format that contains minimally processed data from the image sensor.
  43. Resolution: The detail an image holds.
  44. Saturation: The intensity of color in an image.
  45. Shutter Speed: The length of time when the film or digital sensor inside the camera is exposed to light.
  46. Time Lapse: A photography technique where the frequency at which film frames are captured is much lower than that used to view the sequence.
  47. Vignette: A reduction of an image's brightness or saturation at the periphery compared to the image center.
  48. White Balance: A camera setting that adjusts for color temperature.
  49. Zoom: A function that changes the focal length of the lens.
Exif-specific terms:
  1. Exif Version: The version of Exif standard used to record the data.
  2. FlashPix Version: The supported Flashpix version.
  3. Color Space Information: The color space information tag (sRGB).
  4. Image Description: Image title by user.
  5. Make: Camera manufacturer's name.
  6. Model: Camera model.
  7. Orientation: The image orientation viewed with a viewer.
  8. X Resolution: The number of pixels per ResolutionUnit in the ImageWidth direction.
  9. Y Resolution: The number of pixels per ResolutionUnit in the ImageHeight direction.
  10. Resolution Unit: The unit for measuring XResolution and YResolution.
  11. Software: The software used for image processing.
  12. Date and Time: The date and time when the original image data was generated.
  13. Artist: The name of the camera owner, photographer or image creator.
  14. YCbCr Positioning: The position of chrominance components relative to luminance components.
  15. Copyright: The copyright information.
  16. Exposure Time: The exposure time, given in seconds.
  17. F Number: The F number.
  18. Exposure Program: The class of the program used by the camera to set exposure when the picture is taken.
  19. Spectral Sensitivity: The spectral sensitivity of each channel of the camera used.
  20. Photographic Sensitivity (ISO): The ISO speed and ISO latitude of the camera or input device as specified in ISO 12232.
  21. Opto-Electric Conversion Function (OECF): The Opto-Electric Conversion Function as specified in ISO 14524.
  22. Sensitivity Type: The SensitivityType and standard output sensitivity values.
  23. Standard Output Sensitivity: The standard output sensitivity value of a camera or input device defined in ISO 12232.
  24. Recommended Exposure Index: The recommended exposure index value of a camera or input device defined in ISO 12232.
  25. Date and Time (Original): The date and time when the original image data was generated.
  26. Date and Time (Digitized): The date and time when the image was stored as digital data.
  27. Shutter Speed Value: Shutter speed. The unit is the APEX (Additive System of Photographic Exposure) setting.
  28. Aperture Value: The aperture value. The unit is the APEX value.
  29. Brightness Value: The value of brightness. The unit is the APEX value.
  30. Exposure Bias Value: The exposure bias. The unit is the APEX value.
  31. Max Aperture Value: The smallest F number of the lens. The unit is the APEX value.
  32. Subject Distance: The distance to the subject, given in meters.
  33. Metering Mode: The metering mode.
  34. Light Source: The kind of light source.
  35. Flash: This tag is recorded when an image is taken using a strobe light (flash).
  36. Focal Length: The actual focal length of the lens, in mm.
  37. Maker Note: Manufacturer notes.
  38. User Comment: Keywords or comments on the image; other than those in ImageDescription.
  39. SubSecTime: A tag used to record fractions of seconds for the DateTime tag.
  40. SubSecTimeOriginal: A tag used to record fractions of seconds for the DateTimeOriginal tag.
  41. SubSecTimeDigitized: A tag used to record fractions of seconds for the DateTimeDigitized tag.
  42. Flash Energy: Indicates the strobe energy at the time the image is captured, as measured in Beam Candle Power Seconds (BCPS).
  43. Focal Plane X Resolution: Indicates the number of pixels in the image width (X) direction per FocalPlaneResolutionUnit on the camera focal plane.
  44. Focal Plane Y Resolution: Indicates the number of pixels in the image height (Y) direction per FocalPlaneResolutionUnit on the camera focal plane.
  45. Focal Plane Resolution Unit: Indicates the unit for measuring FocalPlaneXResolution and FocalPlaneYResolution.
  46. Subject Location: Indicates the location of the main subject in the scene.
  47. Exposure Index: Indicates the exposure index selected on the camera or input device at the time the image is captured.
  48. Sensing Method: Indicates the image sensor type on the camera or input device.
  49. File Source: Indicates the image source.
  50. Scene Type: Indicates the type of scene.
  51. CFA Pattern: Indicates the color filter array (CFA) geometric pattern of the image sensor when a one-chip color area sensor is used.