Here it is: What you always wanted to know but where afraid to ask!
The concise Camera Labs guide to abbreviations and technical terms.
AA-Filter = Anti-Aliasing filter, in front of the sensor reduces moiree on fine optical structures
AF = autofocus
APS-C = half size sensor (approx. 24x16mm)
CA = color aberrations
CZ = Carl Zeiss (lens manufacturer)
DR = dynamic range
dof = depth of field
ETTR = expose to the right
EXIF = exchangeable image file format. Stores shooting info in images.
EV = exposure value
FF/FX = full frame sensor (24x36mm)
Four/thirds = standard lens-mount using 17.3x13mm sensor
fov = field of view
fps = frames (=shots) per second
HDR = High dynamic range photos
HSM = HyperSonic Motor - quick & quiet focusing in Sigma's better lenses
IQ = image quality
IS = image stabilization (=VR@Nikon, =OS@Sigma, =VC@Tamron)
L = Luxury! Canon's brand for it's best quality lenses. Red ring around barrel.
MF = manual focus
MFD = minimum focus distance
MTF = Modulation Transfer Function
NR = noise reduction
P&S = p+s = point & shoot camera
pp = post-processing, sometimes simply called "post"
RTFM = read the f*cking manual (deemed offensive, don't use it in this forum!)
s/n ratio = signal to noise ratio
SSWF = SuperSonic Wave Filter - the Olympus / Four Thirds anti dust system.
SSM = SuperSonic Motor - quick & quiet focusing in Sony's better lenses
SWM = Silent Wave Motor - quick & quiet focusing in Nikon's better lenses.
TC = tele-converter
USM = Ultra Sonic Motor - quick & quiet focusing in Canon's better lenses.
WB = white balance
color aberrations = high contrast edges display false color borders
Depth of field: http://en.wikipedia.org/wiki/Depth-of-field
Focal length: http://en.wikipedia.org/wiki/Focal_length
Image Quality of an APS-C DSLR vs. a point&shoot: http://www.cameralabs.com/forum/viewtopic.php?t=10781
Longitudinal CA: http://www.cameralabs.com/forum/viewtopic.php?p=45013
Magnification with close-up lenses: http://www.cameralabs.com/forum/viewtopic.php?t=17847
Normal lens: http://www.cameralabs.com/forum/viewtopic.php?t=18189
Pixel-binning: http://www.cameralabs.com/forum/viewtop ... 4737#74737
Sensor sizes: http://www.cameralabs.com/forum/viewtop ... =8790#8790
Siemens-star: a test-target to judge sharpness/resolution: http://oly-e.de/pdf/siemensstern.pdf
White balance: http://en.wikipedia.org/wiki/White_balance
(Uh-oh: someone needs to find a better article on white balance than this
Zoom, how it works: http://www.cameralabs.com/forum/viewtopic.php?t=19148
And there is a nice thread with a collection of some more in depth Qs (and answers
) about some of the above here
We'd love to include your questions/suggestions/explanations/links in this post. So come on: there is no such thing like a dumb question!
Thomas (beware: Nikon-fanboy and moderator!) My Pictures
, My Photography Blog