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Questions about specific terms used within photography

learn more… | top users | synonyms (1)

5
votes
2answers
410 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
2answers
2k 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?
5
votes
1answer
641 views

Choosing a Gitzo Tripod head - deciphering series, model #, etc

I recently purchased a Gitzo Mountaineer tripod, the GT0541. It is a Series 0 (not really sure what that means), 4 section with ground-lock capability. The G-Lock capability has been really nice for ...
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 ...
4
votes
8answers
961 views

What is Snapsort's true resolution?

On Snapsort I found this explanation: True resolution Manufacturers advertise high megapixels to sell their cameras, Snapsort calculates the true resolution of each camera based on the ...
4
votes
1answer
551 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 ...
4
votes
2answers
2k views

What is the difference between a point-and-shoot and a mirrorless?

Both point-and-shoot camera and mirrorless cameras seems to be mostly similar in the way they work. So, What are the differences between a point and shoot and a mirrorless camera? Is a mirrorless ...
4
votes
2answers
465 views

What is this dead pixel problem really called?

On all photos from my last vacation I see this red point. It appears on in-camera JPGs as well as on RAW files. A see a red pixel in the same position on all pictures. How is this problem called? Is ...
4
votes
2answers
422 views

What is this “lines in the sky” effect called?

I see a lot of pictures with those "line" effects in the sky and I'm wondering how this technique is called (so I can google how it's done). http://500px.com/photo/3464783
4
votes
3answers
4k views

What is Aliasing and Anti-Aliasing?

What is Aliasing and Anti-Aliasing? Is it a bad thing to have in an image? If so how to avoid it? If you can describe your answer using examples then that would be great.
4
votes
4answers
1k views

What are the types of aperture blades?

The Canon EF 24-105mm f/4 L USM IS lens has rounded aperture blades. What other types of aperture blades are there, and what are the advantages and disadvantages of each of them? Is the aperture ...
4
votes
1answer
270 views

Why do people say they like “art” and “photography”, instead of just “art”?

Always puzzle me to hear people list photography (in the context of it being art) and something different than art. Is there a reason for this historically?
4
votes
1answer
240 views

What are Medium Format and Large Format cameras?

What are they and what are they used for? And how are they different from regular SLR or DLSR cameras?
4
votes
3answers
2k 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 ...
4
votes
2answers
3k views

What does “Flat Field Focus” mean?

Looking at lenses, specifically sigma macro lenses, I noticed that it had a ""Flat Field" front lens element". What does this mean? And how is it different to the norm?
4
votes
2answers
227 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 ...
4
votes
3answers
2k views

What is the “visual center” of an image?

I've heard that one of the tricks designers use for a more effective result is placing an object in the visual center. Where is the visual center in an image, why is it important, and how could it be ...
4
votes
2answers
279 views

What's the proper name for the eye viewfinder?

I can use the screen as a viewfinder or the smaller, eye viewfinder on most cameras. Is there a proper name for the eye viewfinder?
4
votes
1answer
170 views

What is “north light”, and how can I use it in my photographs?

I've heard that some painters favored "north light". I suppose that this is light coming from the north, but what is so special about it? If I live somewhere where the literal north light is blocked ...
4
votes
1answer
267 views

What is meant by 'centering quality'?

I'm reading lens reviews and I have encountered the term 'centering quality' a few times (e.g. http://www.photozone.de/sony_nex/720-sony50f18nex?start=1). What does this term mean? What are the ...
4
votes
2answers
433 views

What does the term “saturation luminance” mean in the definition of dynamic range?

The concept behind the dynamic range definition given by ISO 15739 is based on the ratio of the maximum luminance that receives a unique coded representation (the "saturation" luminance) to the lowest ...
4
votes
3answers
2k views

What does “R” mean in Fujifilm's XF Fujinon lens names?

Fujifilm currently makes three lenses for their new X-Pro1 mirrorless camera system: Fujinon XF18mmF2 R Fujinon XF35mmF1.4 R Fujinon XF60mmF2.4 R Macro "Fujinon" is Fujifilm's lens division. The ...
4
votes
1answer
526 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 ...
4
votes
3answers
452 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 ...
4
votes
0answers
56 views

Is there a standard vocabulary for posing?

I've been looking for a definitive catalog of named poses. Catalogs consisting mainly of unlabeled photos are easy to come by. "1,001 Poses for the Professional Photographer," kind of thing. This ...
3
votes
3answers
536 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?
3
votes
3answers
650 views

Is there a term for “not portrait” photos?

My photos rarely have people (faces) in them. Is there a term for such photography?
3
votes
2answers
306 views

If it's not a 100% crop, what is it? [duplicate]

I've been reading a camera review which shows a picture with a tiny rectangle highlighted. It then shows that rectangle expanded to the same size as the original picture so that one can see the ...
3
votes
3answers
2k views

What is the relationship between “macro” and “telephoto” lenses? [duplicate]

Can anyone explain the difference between "macro" and "telephoto"? I know that a macro lens will give you a magnification of 1:1 but how does it differ from a telephoto lens?
3
votes
1answer
168 views

What is it called when you intentionally expose a film negative during development?

Back in the film days, there was technique of exposing a negative, while it was being developed, which distorted the image, sometime very strikingly. This manipulation had a name, which I cannot ...
3
votes
2answers
557 views

Nikon Lenses: what is the difference between Micro/Macro vs non-Micro/Macro of the same focal length? [duplicate]

Possible Duplicate: What is a macro lens? What is the difference between a Nikon “Micro” lens and a “Macro” lens? I know what macro photography is, but what makes a macro (or in Nikon's ...
3
votes
2answers
2k 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? ...
3
votes
2answers
91 views

Does fps relate to still photography or videography?

As a beginner, how much importance should I give to the FPS feature of a camera? How is the price of a DSLR related to the FPS? Directly or inversely? I was under the naive impression that FPS was a ...
3
votes
1answer
458 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 ...
3
votes
1answer
142 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
3
votes
1answer
172 views

What is the name of this ruler for Photogrammetry? Where to find similiar ones?

i want to measure something in a picture on a plane. To adjust the picture after shooting it e.g. to do lens correction and de-skewing I want to use a calibration ruler as attached. What is the ...
2
votes
3answers
341 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 ...
2
votes
3answers
205 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?
2
votes
2answers
317 views

What is the meaning of “cropped sensor”?

What is the meaning of the term "cropped sensor"?
2
votes
4answers
720 views

What is “Dragging the Shutter”?

Ive heard this term of "dragging the shutter" and was wondering what it means and why would i use it Can anyone answer this?
2
votes
2answers
73 views

Why refer to “aperture” as “iris”?

With common lenses the aperture is controlled by a mechanism called an "iris." But, especially with cine/video-oriented lenses, I often see the term "iris" used as an apparent synonym for aperture. ...
2
votes
3answers
125 views

What is the part of the tripod head which attaches to the quick-release plate called, so I can find replacements/alternatives?

I want to replace this with something less prone to error, but I'm having trouble searching for it and not everything else related to tripods. This is the part that attaches the quick release plate ...
2
votes
2answers
205 views

What is the name of the part that goes between a camera strap and eyelet?

What is the name of the part that goes between a camera strap and eyelet? Sometimes camera-straps fits directly onto an eyelet which is fixed on the camera body. On some cameras though, there is a ...
2
votes
3answers
1k views

What does “maximum aperture” mean in a camera spec? Where can I get the full aperture range?

I own a Canon S95, and am considering getting a newer model (e.g. Canon S110 or S120), and I'm comparing the specs. According to DPReview.com, the S95 has a maximum aperture of F2.0-F4.9, and the S110 ...
2
votes
3answers
505 views

Is the angle of view actually different on APS-C?

A 50mm prime lens, whether APS-C or Full-frame is designed around the 35mm format. As such, is the angle of view actually different on a DX/APS-C crop sensor or are we just seeing less of the full ...
2
votes
3answers
143 views

Are the terms 'push' and 'pull' relevant/applicable to digital photography?

The terms push and pull come from the days of film processing, and there's more on that here and here, but essentially they refer to increasing or decreasing the chemical processing time to account ...
2
votes
1answer
212 views

What is the purpose of the small meter behind window on a lens?

I'll buy a zoom lens for my Nikon D5100 Either the 55-300 VR or the 70-300 VR But on the site I saw this meter (sorry, I don't know the name of this meter) on the Nikon 70-300 VR lens and have seen ...
2
votes
4answers
4k views

What is the difference between Nikkor D type and G type lenses?

I recently bought a Nikon D5100. And along with this camera, I got the AF-S DX NIKKOR 18-55mm f/3.5-5.6G VR lens as kit. It's "G" type lens, right? One of my friend suggested to buy a 50mm f/1.8D ...
2
votes
1answer
147 views

What is an AA Filter?

This question is from most recent release of Nikon's new version, the Nikon D5300. In one review, D5200 vs D5300, it says the the D5200 has an AA Filter. What is an AA Filter? What are its specific ...