SD is an abbreviation of Secure Digital, a memory card format used in digital cameras and other electronics.
SD memory cards, based on the SD Specifications Version 1.01 and Version 1.10, have a capacity of 2 GB or less, although 4 GB [...]
OVF is short for Optical Viewfinder. An optical viewfinder is used in SLR and DSLR cameras. After entering through the lens, the light is reflected towards the viewfinder by a mirror inside the camera. See also EVF.
EVF stands for Electronic Viewfinder. An electronic viewfinder in a digital camera is a small display that gets the image directly from the camera sensor. An EVF is mostly used in non-DSLR compact digital cameras. See also OVF.
SLR stands for Single Lens Reflex film camera. DSLR (or dSLR, or digital SLR), is short for Digital Single Lens Reflex.
The term Single Lens Reflex means that the camera uses the same lens to direct light both to the sensor (or film) and to the viewfinder.
MP, one of the most widely used abbreviations in photography, stands for MegaPixel. One megapixel equals one million pixels.
The MP unit is used in digital cameras as a very important specification, because the more megapixels a digital camera sensor has, the bigger the resolution of the pictures taken. But let us point out that [...]
TTL stands for Through The Lens metering. The TTL metering system meters the light that comes through the lens, bounces off a mirror and onto a sensor inside the camera.
There’s also TTL flash metering. It’s a type of flash exposure metering that is used to measure the flash light that reaches the sensor when the [...]
LCD is short for Liquid Crystal Display, the kind of displays which are used in cameras, monitors, cell phones and pretty much everywhere else where there is a display.
Although it’s not a big deal nowadays to see a point-and-shoot camera that features a swivel/tilt LCD with a live view, it wasn’t until recently that DSLR [...]
FOV is an abbreviation of Field of View, the angle captured by a camera at a given focal length and sensor size (or film size). This angle is measured vertically, horizontally and diagonally.
IQ in photography is an abbreviation of Image Quality. Similarly, PQ, is short for Picture Quality. The two abbreviations mean the same thing: the quality of the photo that a camera is able to take.
Image Quality, unlike other photography terms like aperture or resolution, to name a couple, is subjective, as it doesn’t have a [...]
CHDK – Canon Hacker’s Development Kit.
The CHDK hack, which adds a lot of features to your Powershot camera, is a very specific one. It only works on some Canon Powershot cameras. It’s free to download and use, and newer versions that support more recent Powershot models are being released all the time. CHDK compatible scripts [...]
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