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What's IQ?
A true beginner's question.What's "IQ" and what's it's importance? I searched by "IQ" but all I came up with was "IQ". Thanks. Tom..

Comments (9)

IQ usually means Intelligence Quoficient, that means how smart you are .

BUT in (digital) photography world, IQ stands for Image Quality (which is pretty much self-explained)...

Comment #1

Sharpness - resolution - contrast - clarity - less noise - more DR - less distortion - less CA as determined by lens + sensor (not in PP)..

Http://lordofthelens.co.nz/..

Comment #2

MICHAEL_61 wrote:.

Sharpness - resolution - contrast - clarity - less noise - more DR -less distortion - less CA as determined by lens + sensor (not in PP)..

Http://lordofthelens.co.nz/.

And then someone comes with more "letters soup" Before someone asks:DR => Dynamic RangeCA => Chromatic AberrationPP => Post Processing..

Comment #3

"Good image quality" means you like it. It means as much and as little as "good looking" applied to photographers. There is such a thing, you can usually recognise it when you see it, and most people agree at the extremes but disagree on details, but tricks of the trade can make a big difference to how you will judge, and different times and places will have very different ideas...

Comment #4

MICHAEL_61 wrote:.

Sharpness - resolution - contrast - clarity - less noise - more DR -less distortion - less CA as determined by lens + sensor (not in PP)..

Hi Michael. IQ is of the image being examined, regardless of how it came to look like that, whether or not the image you're looking at has been PPed to achieve that look..

Cheers from John from Adelaide, South AustraliaJohn Harvey Photography http://johnharvey.com.auCanon 40D, Canon 20D & Fuji F10..

Comment #5

John down under wrote:.

MICHAEL_61 wrote:.

Sharpness - resolution - contrast - clarity - less noise - more DR -less distortion - less CA as determined by lens + sensor (not in PP)..

Hi Michael. IQ is of the image being examined, regardless of how itcame to look like that, whether or not the image you're looking athas been PPed to achieve that look..

- Yes, but I assumed we were talking about the equipment IQ - not that of the photographer..

Http://lordofthelens.co.nz/..

Comment #6

Additions/delections/corrections welcome.

ACR : Adobe Camera RAWAD : Anomolous DispersionAF : Auto FocusAF-I : Nikon Auto-Focus lens with Integrated motorAF-S : Nikon Auto-Focus lens with Silent wave motorAI : Automatic IndexingAP : Aperture priorityAPO : Apochromatic (Sigma)AR : Aspect Ratio (W/H)aRGB : Adobe RGBAS(S) : Anti Shake (System)Asph : AsphericalBF : back focusingBIF : Birds in flightBOG : Birds on groundBOP : Birds on polesBOW : Birds on waterBTW : by the wayC&C : Comments and critiquesCA : Chromatic AberrationCNX : Capture NX (Nikon Program)CoC : Circles of Confusion (commonly, "bokeh")CPL : Circular Polariser (also PL-CIR, and others depending on brand)CS3 : Creative Suite 3 (Adobe Software)DG : Digital GroupDOF : Depth of Fielddpi : dots per inchDR : Dynamic RangeDSLR : Digital Single Lens ReflexDX : Digital eXclusive (Nikon)EC : exposure compensationED : Extra low DispersionEF : Electro-Focus (Canon's designation for their auto focus lenses).

EF-S : Electro-Focus Short back focus (Canon; as EF but restricted to their 1.6x crop DSLRs))EOS : Electro-Optical System (Canon's auto focus system)EV : Exposure Value.

EXIF : Exchangeable Image File Format (commonly, "EXIF data," info about your pictures)FBF : First Black FrameFEC : flash exposure compensationFF : front focusingFL : focal lengthFOV : field of viewFX : Full frameHAND : Have A Nice DayHDR : High Dynamic RangeHSM : HyperSonic Motor (Sigma)IF : Internal FocusingIIRC : If I Recall CorrectlyIMO : In My Opinion (Also: IMHO where HIPTC : International Press Telecommunications Council.IQ : Image QualityIS : Image StabilizatoniTTL : intelligent Through The LensKM : Konica MinoltaL : Luxury (Canon)LD : Low DispersionLOL : laughing out loudMF : Manual focusMLU : mirror lock upMP : MegapixelsNAS : Nikon Acquisition SyndromeOOF : Out Of FocusOP : Original PosterOS : Optical Stabilizer (Sigma's equivalent of IS/VR)P&S : Point and ShootPMA : Photo Marketing AssociationPP : Post-Processing (on a computer)PPD : Pixwls per degree (pano resolution)ppi : pixels per inchPS : PhotoshopPSE : Photoshop ElementsRS : ReStyled lensRTFM : Read the "fantastic" manualSLR : Single Lens ReflexSP : Speed prioritysp? : SpellingSPI : Samples per inch (for a scanner)sRGB : A Standard Default Color Space for the InternetSSM : Super Sonic Motor (Minolta)SWM : Silent Wave Motor (Nikon)TTL : Through The LensUD : Ultra low DispersionUSM : Ultrasonic Motor (Canon)VR : Vibrance Reduction (Nikon)..

Comment #7

Oops!Thanks for correcting me!(I really wasn't sure about it)I'm lazy to post my pics here. So you can look at them here:http://www.flickr.com/photos/neonights..

Comment #8

Ed Grenzig wrote:.

Additions/delections/corrections welcomeVR : Vibrance Reduction (Nikon).

Hi Ed. That would be vibration reduction..

You missed a really important one:GAS - gear acquisition syndrome.

Many people frequenting these forums are afflicted by a bad case of GAS from time to time, a condition usually viewed as more unpleasant and serious by spouses than by afflicted photographers..

Cheers from John from Adelaide, South AustraliaJohn Harvey Photography http://johnharvey.com.auCanon 40D, Canon 20D & Fuji F10..

Comment #9

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This question was taken from a support group/message board and re-posted here so others can learn from it.

 

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