1. Pixels: Is an area of a picture that has illumination, one that composes an image.
2. Image Resolution: is the detail an image holds.
3. Megabyte:
4. Megapixel: means one million pixels. The resolution of digital cameras and camera phones is often measured
5. Gigabyte: a unit of information equal to one billion (109) or, strictly, 230 bytes.
6. Jpeg: a format for compressing image files.
7. Raw: is a file format that captures all image data recorded by the sensor when you take a photo. When shooting in a format like JPEG image information is compressed and lost.
8. Tiff: Type of filing save.
9. Png: is a raster graphics file format that supports lossless data compression
10. White balance: the color balance on a digital camera.
11. Histogram: type of graph.
`12. Aperture: one of the three pillars of photography, in the lens.
13. Shutter speed: is the time for which a shutter is open at a given setting.
14. Depth of field: the distance between the nearest and the furthest objects that give an image judged to be in focus in a camera.
15. Aperture priority: an exposure system used in some automatic cameras in which the aperture is selected by the user and the appropriate shutter speed is controlled automatically.
16. Shutter priority: a system used in some automatic cameras in which the shutter speed is selected by the user and the appropriate aperture is then set by the camera.
17. Bitmap: Like a logo
18. Exposure: In photography, exposure is the amount of light per unit area (the image plane illuminate times the exposure time) reaching a photographic film or electronic image sensor, as determined by shutter speed, lens aperture and scene luminescence.
19. Watermarking: is marking your own signature on your picture to make sure nobody takes credit for your picture.
20. Optical zoom: is true zoom feature, it allows you to zoom in and out on the LCD or viewfinder.
21. Digital zoom: is a method of decreasing the apparent angle of view of a digital photographic or video image.
22. Bracketing: is the general technique of taking several shots of the same subject using different camera settings.
23. Light meter: There are two general types of light meters: reflected-light and incident-light. Reflected-light meters measure the light reflected by the scene to be photographed. All in-camera meters are reflected-light meters. Reflected-light meters are calibrated to show the appropriate exposure for “average” scenes.
24. Image stabilization: is a method to reduce blurry parts of a photo.
25. Noise: Image noise is a random item, possibly in the back, that's very noticeably, practically screaming out to the viewers.
26. Lag time: The period of time between two close events.
27. Hot shoe: is on the top of a camera to attach a flash and other wires.
28. Fisheye: Type of wide lens, covers 180 degree angles.
29. Macro: Short for macro lens, a type of lens that makes small items, larger than life.
30. Telephoto: A longer focus lens than normal.
31. Wide angle: having a short focal length and hence a field covering a wide angle.
32. DSLR: A digital single-lens reflex, its made for focusing on one image.
33. Dynamic range: Changes in the difference between the brightest and darkest areas.
34. Digital negative: the original photo.
35. Exposure compensation: In Aperture Priority mode, the aperture remains at your chosen setting. Accordingly, the camera will adjust shutter speed to accomodate exposure compensation adjustments. In the first example that I mentioned of f/5.6 and 1/250s, the camera would adjust the shutter speed to 1/125s for a +1 EV adjustment.
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