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Questions about specific terms used within photography

learn more… | top users | synonyms (1)

4
votes
2answers
235 views

What does 'freedom of color from white or gray' mean?

The dictionary entry for the word chroma says, "the purity of a color, or its freedom from white or gray." What does that statement mean? What is color made of? What causes color? I was reading this ...
7
votes
6answers
980 views
9
votes
1answer
824 views

What is a “De-clicked” aperture control ring?

The Samyang 85mm T1.5 Cine Lens featured a "De-clicked" aperture control ring. What exactly is it?
14
votes
3answers
1k views

What does “Strobist” in Photography mean?

I often come across this term "Strobist" in Macro Photography and other equipment related to it. What does Strobist actually mean?
17
votes
4answers
790 views

What is ISO and how does it affect my photos

What is the ISO setting on my camera? What does it represent? What should I be aware of with regards to ISO when taking photographs
7
votes
2answers
293 views

At what point does “out of focus” become Bokeh?

As with the distinction between a big boat and a small ship, at what point can an out of focus background be considered "Bokeh"? Is it the point where the subject in the background (or foreground ...
8
votes
2answers
2k views

What does it mean to shoot in flat colors?

I read somewhere that you should shoot in "flat colors" to make it easy to work in post-production. What does "flat" mean?
2
votes
3answers
207 views

Subject out of center — what is correct term?

Composition which consists of placing the topic or main subject to the side and never in center of the picture: does that technique have a name?
8
votes
1answer
2k views

When is HDR preferred to Active D-Lighting?

Could someone please explain the difference between the two? Are there cases where the one technique is more preferable over the other or a general rule of thumb?
8
votes
2answers
15k views

What does the expression “V+F” (or “V&F”) mean on a photography web site?

I was reading comments on my photos posted at 500px.com (for example, at http://500px.com/photo/21988337 and http://500px.com/photo/21997241). Read a few comments that say V+F or V&F, what are ...
2
votes
1answer
400 views

Is it wrong to call the image plane the focal plane?

I'm from France and I would ask a question on a point that I don't understand, as it seems that so many people confuse (or may be I'm wrong). On the camera, there is a symbol (a theta or phi) which ...
17
votes
3answers
2k views

What makes a camera an “SLR”?

My question, specifically: why is the Fujifilm HS 10 not an SLR?
18
votes
5answers
2k views

What is the distinction between a professional and amateur photographer?

I describe myself as an amateur photographer to other photographers and avoid using qualifiers like "pro" or "amateur" when talking to clients, but after reading a number of articles in Rangefinder ...
17
votes
5answers
2k views

How can aperture be f/11 on a lens with an aperture range designation of 3.5-5.6?

I made a series of outdoor shots with Nikon D5000, with the 18-55mm 1:3.5-5.6G VR kit lens. On some shots, I see in the EXIF info f/11, and in another shot, f/9. How can that be, that the f-number ...
3
votes
1answer
143 views

What is Effective Aperture?

What is Effective Aperture? And how it can affect my exposure? Also how does it relate to magnification? A question that talks about effective aperture but without details
2
votes
2answers
2k views

What is the difference between depth of field and focal plane?

I would like to know how to address the difference between them and how relates to each other.
3
votes
1answer
474 views

What is the meaning of the letters “O.M.P.” for Canon lenses?

What do the cryptic letters "o.m.p." mean for a Canon lens? For example, EF 24-105mm f/4L IS USM O.M.P."
3
votes
2answers
3k views

What is a Dual pixel autofocus?

I have seen the term "Dual Pixel CMOS autofocus" used by Canon (specifically in relation to the 70D). What is it? Is this Canon specific technology? Are there equivalents in other manufacturer's ...
-1
votes
1answer
54 views

ACR terminology

Can someone recommend a guide (or a sensical glossary) that would pull together all the terminology used in the Adobe Camera Raw, preferably by tab (Basic, Tone Curve, Detail, etc.), with all the ...
2
votes
1answer
217 views

What is the name of a tripod feature that adjusts level automatically?

I am looking for my first tripod and just learning terminology. I hear there are such that level automatically, but I am not sure how to google them. What is this feature called with different brands? ...
2
votes
2answers
467 views

What is difference between tonal contrast and just contrast?

What is difference between tonal contrast and just contrast? Usually the editor programs will have a contrast slider while the "special" plugins of these software will have tonal contrast. Is tonal ...
5
votes
1answer
885 views

What is the meaning of “Blue Hour” and its differences from “Golden Hour?”

What does "Blue Hour" exactly mean? What time in the day can I capture this "Blue Hour" and how long is it? Also, what are its differences from the "Golden Hour"?
1
vote
0answers
68 views

Why do people tend write “RAW” instead of “raw”? [duplicate]

Given that in the English language using all-caps means that the word is an acronyms or initialism (e.g., NASA, RCMP), "RAW" doesn't make much sense--unless there's some longer term that "RAW" stands ...
1
vote
3answers
7k views

What does infinity focus mean and when should I use it?

All my lens have focus ring where at the end there's an infinity symbol. What does that mean? If I'm taking landscape shot and what everything from near to far to be in focus, do I use infinity? Or am ...
9
votes
3answers
510 views

What do you call the technique for removing uninteresting parts of photo by combining two images?

I'm looking for the name of a technique to cut out an "uninteresting" part of a photograph. The example I'm thinking of is of a guy on the left of a photograph and a tower on the right. The middle ...
7
votes
4answers
5k views
1
vote
1answer
286 views

What is it called when a series of photos taken over a few days is made into a video clip?

I saw this on a National Geographic programs when they had recorded the sky for a few days and then make a few seconds long clip from it. What is this called?
5
votes
3answers
481 views

What does it mean that a lens is x millimeters?

Every lens has different focal length in terms of millimeter so if I have a 100mm lens, what does that refer to? Does it mean the length of the lens itself is going to be 4 inches long, or does this ...
12
votes
7answers
1k views

Can someone give a simple explanation of ISO?

Can someone please explain to me what ISO means in the camera settings. In an answer to a question about taking pictures at a dance party, I was told to use ISO 1600. What does that number really ...
14
votes
2answers
7k views

What is the difference between luminance and illuminance?

The more I read about this, the more confused I become. Illuminance, as I understand it, measured in lux, is the perceived brightness of light on a surface. It's what you'd measure with an incident ...
7
votes
3answers
1k views

What are ED elements?

I find that some lenses are indicated with the letters "ED", referring to some special type of lens element. What are ED elements, and what advantages do they bring? Note that this question isn't ...
11
votes
5answers
10k views

What is “infinity focus”?

I have been reading a bit about astrophotography and the term infinity focus keeps coming up. What is infinity focus and how do you set the camera to infinity focus?
6
votes
4answers
10k views

Are 2 megapixels enough for HD resolution pictures?

HD pictures has 1920x1080 = 2073600 pixels = 2025 kilopixel = 1.98 megapixel. Does this mean that we can take HD pictures with a 2 MP camera? If not, why not?
6
votes
2answers
528 views

What is bracketing?

I have seen this term a lot and I was wondering what, in basic terms, what bracketing/autobracketing is. Also, why would one want to 'bracket'? P.S. - there are other questions asking what DoF and ...
7
votes
1answer
382 views

What is Colour Rendering Index (CRI)?

From this answer on white balancing a LED light I understood there's a thing called Colour Rendering Index (CRI). I understand it has something to do with how well lights reproduce the sun's colour ...
4
votes
5answers
2k views

What's the difference between exposure and shutter speed?

Is there a difference between exposure and shutter speed, or are the terms interchangeable? I read that "If you use a quick shutter speed, you can just raise the exposure to compensate." Is this ...
5
votes
2answers
433 views

What is term for the opposite of “Dragging the Shutter”?

My first helpful experiments with flash started after taking a seminar with Scott Kelby on the subject. I don't recall him mentioning dragging the shutter (but he may have). But, I do recall him ...
5
votes
3answers
10k 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 ...
7
votes
4answers
1k views

What does IQ mean?

I see a lot of questions which mention IQ. The only meaning I know outside photography is "intelligence quotient" but obviously IQ has some other meaning here. IQ is used for example in "Lens with ...
8
votes
2answers
1k views

What does “workflow” mean?

I keep seeing the term "workflow" in relation to post-processing being used here and on other sites. What does it actually mean though? To me it sounds like it means you do A, then B, then C every ...
5
votes
5answers
521 views

What is it called when multiple photos are adjusted for further blending?

I have taken a series of noisy photos without a tripod. I want one less noisy version, so I need average them down to one photo. But details of the individual images do not exactly match, so that ...
6
votes
2answers
2k views

What is the difference between a lambda print (RA-4) and a color inkjet print?

I can't seem to find any good information about the differences between the lambda printing process (on RA-4 paper, also known as a C-prints or chromogenic color prints) and inkjet printing (also ...
6
votes
2answers
5k 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? ...
12
votes
4answers
1k views

Why is sensor sensitivity called “ISO”?

I was curious to know how the term "ISO" was coined for referring the image sensor's sensitivity. Is there any reason or circumstance that contributed for terming "ISO"? Also, does ISO has a literal ...
0
votes
1answer
2k views

What does ISO stand for? [duplicate]

I've recently been learning how to use a camera, and was wondering what ISO stood for?
9
votes
3answers
15k 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?
7
votes
2answers
237 views

What does it mean to excite aliases?

I recently came across the phrase 'excited aliases.' The phrase seems to be related to lens sharpness in some way. While a web search turns up the phrase a few times, I am unable to locate a decent ...
3
votes
2answers
3k views

What is the difference between a “slave flash” and “master flash”?

My Nissin Di866 II flashgun supports operation in both "slave flash" and "master flash" mode. The former I know needs to be used with a Nikon DSLR's "Flash Commmander" mode. What's the latter mode? ...
9
votes
2answers
3k views

What is a vertorama and is it really different from a panorama?

Is "vertorama" a real photography term, or is it simply something that people use to describe a vertical panorama? I never thought that panorama was limited to horizontal landscape oriented images, ...
9
votes
2answers
4k views

What is the meaning of W and T on a camera's zoom buttons?

On every conventional digital camera (excluding the models with detachable lenses), there are buttons to zoom in and out with W side and T side. When you press W, the lens zooms out. The lens zooms ...