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Questions about specific terms used within photography

learn more… | top users | synonyms (1)

25
votes
2answers
4k views

How does exposure fusion work?

I understand that "exposure fusion" is a method for combining different exposures into a single image. How exactly does it work, and how is it related to HDR?
0
votes
1answer
133 views

If shoot pictures in 10.0 mode or 12.0 what is quality?

If my camera is shooting in 10.0 or 12.0...what will my megapixels be? I am a beginner and I know I need them to be at least 1600x1200 for my purpose.
10
votes
1answer
4k views

What does “viewfinder magnification” mean?

Viewfinders (both optical and electronic) typically come with two stats: magnification and coverage. The latter measuring how much of the actual exposed area (film or sensor) one sees. But what is ...
2
votes
3answers
349 views

Are these Nikon 16-85mm lenses actually the same?

I just ordered the D7000 with three lenses, one of them was the Nikon AF 16-85 mm f/3.5-5.6 DX G AF-S ED. Now I found that they sell a package "D7000 with 16-85mm, AFS G VR" for $100 less. I can undo ...
4
votes
1answer
647 views

What is an auto-focus motor?

I recently bought a Canon 550D, and I read it has an auto-focus motor, which not all cameras possess. I'd like to know what it is, and what I can do to keep it running smoothly; AFAIK the manual ...
2
votes
1answer
234 views

What does “Signing off attribution” mean?

I'm about to sell a range of images to a client and he asks me for a document to "sign off attribution". What does this mean and where can I find sample contracts?
10
votes
3answers
3k views

What is EV, when used as an absoute measurement?

I know there is already a question about EV, but it doens't quite answer my question. I understand EV as a relative measurement, 1 EV being one stop (doubling or halving the amount of light), but what ...
1
vote
4answers
156 views

Is it ever correct to describe a flash diffuser as opaque?

I've seen product listings online for flash diffusers where they are described as opaque. Is this an incorrect description? Should it be semi-opaque or is that assumed? How does opaque make sense in ...
9
votes
1answer
874 views

What does it mean to “mount” slide film for processing?

I just finished my first roll of a 35mm slide film and it is time to get it processed. I checked few places online and the options are to get them processed "mounted" or "unmounted". So what do ...
7
votes
3answers
3k views

What is the EV scale?

I have seen an "EV" (exposure value) scale that's sometimes used to express a camera's exposure settings, or scene brightness. How exactly does this scale work?
2
votes
1answer
975 views

What is the “Dust-Off Reference Photo” on a Nikon DSLR?

I have seen this in my D700 menu and just saw it again on Nikon's tech sheet for the new D4. Is this the same tech that Minolta is using to clean their sensor of dust or is it something else? How does ...
12
votes
5answers
4k views

What is a normal lens?

I've heard people call 50mm lenses "normal lenses". For a lens to be considered normal, does it have to be exactly 50mm or is there some leeway? Does the normal focal length depend on crop factor of ...
2
votes
2answers
356 views

What is the meaning of “cropped sensor”?

What is the meaning of the term "cropped sensor"?
17
votes
4answers
9k views

What is “100% crop?”

I use the term "100% crop" to mean a portion of a picture that has been cropped but not resized, but I have also seen some confusion around that term. Is there an accepted definition for "100% ...
2
votes
4answers
331 views

What do you call the symbols that you can see on the edges when you look into your camera viewer?

I'm talking about the tiny and sometimes quite useful symbols/indicators for this: http://a.img-dpreview.com/reviews/PentaxK10D/Images/Features/viewfinderview.gif is there a general name for the ...
7
votes
4answers
6k views

What are the differences between a bridge camera and a D/SLR?

What are the differences between a bridge camera and a D/SLR?
6
votes
1answer
609 views

What does “distortion <XX%” mean in lens specs?

I'm going to buy a lens and I would like to understand what "distortion <XX%" means. It's a vari-focal 10-60mm lens, and mentions distortion <12-1%. According to my understanding, at 10mm focal ...
2
votes
2answers
295 views

How is this lighting and colouring effect achieved?

A few days ago, I saw this picture linked here on 500px and was wondering how the coloring technique is called. On a first glance, it looks like a high key shot, but it is unusual as it has no light ...
3
votes
3answers
572 views

Do Professional and Semi professional cameras have “steadyshot” technology?

Do professional and semi professional cameras have good optical image stabilization, sometimes called steady shot?
0
votes
1answer
672 views

What does “pop & drag” mean in low light photography?

I came cross this term "Pop & Drag" being used in low light setting. What does that mean? Is it the same as term as "dragging the shutter"? Can anyone please show some examples of "Pop & ...
9
votes
4answers
643 views

What is the technical name for a zoom lens which has a fixed maximum aperture?

What is the technical name for a lens which has the same maximum aperture throughout the entire zoom range?
8
votes
3answers
13k views

What is the definition of portrait photography?

Can we talk about a portrait photograph if, let's say, a grandmother and her 3-year-old grandchild are in the picture? Or, must it be only one person in the photograph?
0
votes
2answers
14k views

What is the difference between DX format and FX format lenses, and which to choose for what purpose?

http://www.nikon.co.in/products.php?categoryid=1011 What is the difference between DX format and FX format lenses, and which to choose for what purpose? What are the pros and cons of both?
4
votes
3answers
3k views

What is the meaning of single focal length?

The Nikon AF-S DX Nikkor 35mm f/1.8G is described as a single focal length lens: http://www.nikon.co.in/products.php?categoryid=1014. What does that mean? What are its disadvantages as compared to ...
6
votes
6answers
1k views

What type of software is Adobe Photoshop Lightroom?

I have heard or thought of many terms for what Lightroom is such as image management, digital asset management, photo editing software, and the list goes on and on. Does this package or type of ...
6
votes
3answers
11k views

What does “the telephoto end” and “the wide angle end” of a zoom lens mean?

In the Canon Rebel T3i Manual, page 59, it's mentioned that "If you have a zoom lens, use the telephoto end to fill the frame with the subject from the waist up." Same note on page 61 and another one ...
11
votes
1answer
501 views

Is there a name for the type of portrait composition where the subject is looking out of the frame?

I'm wondering if there's a specific term to describe a portrait where the main subject is looking at something outside the frame that we (the viewer) can't see. I like it as a composition technique: I ...
10
votes
4answers
32k views

What is USM, and what are its pros and cons?

My Canon lenses have the designation USM on them, which I assume is for the same reason that they say "Ultrasonic". What does this mean, and why or why do I not want it?
4
votes
1answer
551 views

Does the liquid effect in these photographs have a specific name?

I aspire to become a fashion and wildlife photographer, and I am starting out in that mission today. Lucky me, and the first photographer whose works I came across is Jaroslav Wieczorkiewicz. His ...
1
vote
1answer
174 views

What is the technical term for the time taken to see the final image on an IP security camera's screen? [closed]

What is the technical term for the time taken to see the final image on an IP camera's screen? Is it dependent on some parameter which I can look for? Actually this website has listed various ...
12
votes
6answers
4k views

What is white or black “clipping”, and how does one avoid it?

I have been told that this photograph has "white clippings"? What are they, and which light sources should be placed in what way to avoid that?
22
votes
6answers
10k views

What is one “stop”?

I always hear this term, e.g., I had to go down one stop Increasing X by Y raises Z by one stop I turned down the flash/the light two stops This lens/sensor/strobe/Photoshop tweak raises X by ...
12
votes
2answers
4k views

What is “pixel density”?

Apparently megapixels aren't a good way to measure the camera quality, so some people are referring to a relative measuring system called "pixel density". What specifically is this? What information ...
5
votes
2answers
415 views

What is an independent flash called?

By "independent flash" I mean a flash which is not attached with the camera by default. What is the technical name for it?
7
votes
2answers
7k views

What is CLA service?

I've seen the term used in used lens listings, e.g "recently CLA'd". I have a few questions, but I think they're related enough to only warrant one post: What does CLA stand for, and what is it? ...
10
votes
3answers
17k views

What is flat light and how to counter that?

I have often heard people saying that the light in the picture X is appearing "flat". I want to understand what exactly does that mean, and what are the possible ways to counter that?
10
votes
2answers
317 views

What is “photometric exposure”?

What is "photometric exposure," and how is it related to what is commonly called "exposure" and "exposure values"? I have also seen the term "radiometric exposure" used to describe a similar ...
8
votes
3answers
982 views

How can a 24-70mm and a 10-22mm both be “wide angle” lenses?

I've been looking at a 10-22mm lens for my Canon T2i. I've also come across some other "wide angle" lenses, like the Sigma 24-70mm F2.8. I don't understand how a wide angle lens can have such high ...
6
votes
2answers
455 views

Do they make a single-leg stabilizer, similar to a tripod but with only one leg?

I'm looking for something that I can attach to my Nikon D5000 that will allow me to hold the camera steady, similar to a tripod, but MUCH lighter and easier to setup. I'm thinking it could also dub ...
15
votes
4answers
2k views

What is a parfocal lens and how beneficial is it to photography?

I heard someone say that after using a parfocal lens for the first time, they would never switch back. What is a parfocal lens, how is it different from any other lens, and what are the advantages and ...
6
votes
3answers
809 views

Why is the Nikon 35mm f/2D AF considered a Wide-Angle lens?

What makes the Nikon 35mm f/2D AF Wide-Angle Lens lens be considered wide-angle as compared to the Nikon 35mm f/1.8G AF-S DX Lens which isn't advertised as wide-angle?
24
votes
2answers
6k views

What do Hue, Chroma, Saturation, Value, Tones, Tints, Shade, etc. mean?

I've read several online tutorials about color theory but I'm still confused about how to "visually" catch color concepts and use them efficiently. The only thing I seem to understand is "hue" which ...
8
votes
2answers
2k views

What is “solid angle” and how does it relate to photography?

So, I was hanging out in the chat room, and hear mention of something called "Solid Angle". What is this, and how can it be important?
30
votes
3answers
18k views

What does the number of elements and groups in a lens mean?

All lens specifications include a statement of how many elements the lens contains, and in how many groups, for example: Nikon AF-S VR Zoom-NIKKOR 70-300 mm 1:4,5-5,6G: 17 elements in 12 groups (two ...
10
votes
2answers
2k views

What is the difference between a Nikon “Micro” lens and a “Macro” lens?

When it comes to macro photography and Nikon, what is the difference between a Micro and a Macro [Nikkor] lens? Is the answer as simple as to say that Nikon uses Micro in its nomenclature for its ...
14
votes
1answer
10k views

What do “Frontfocus” and “Backfocus” mean?

I've read those terms in a couple of lens reviews, and not even Wikipedia has an article about it. So my questions are: What is back/frontfocus? What causes back/frontfocus? Is there any preventive ...
7
votes
3answers
6k views

What do the AF-A, AF-C, and AF-S autofocus settings mean?

My camera has these settings for autofocus, and I don't know what they mean. I suspect "A" is "Auto", and "C" is "continuous", but I have no idea what "S" is.
0
votes
2answers
7k views

What do the lens parameter abbreviations mean? [duplicate]

Possible Duplicate: What do all those cryptic number and letter codes in a lens name mean? Canon EF 50mm f/1.8 II What does EF, II mean? Sigma 10mm/F2.8 EX DC Fisheye HSM compatibil ...
13
votes
1answer
770 views

What's it called when two photographs are printed on triangles so you see a different one from different angles?

This is kinda hard to explain, but I've seen it several places before. I'm looking for a special way that two photographs are printed — they're printed so you from each angle can see just one of the ...
12
votes
5answers
4k views

What is a portrait lens?

I hear this term used pretty often. Does it refer to a specific focal length? Or very low F-number? What does a lens need to have in order to be considered "portrait lens"?