What is a kicker?
In lighting, what is a kicker and when should I use it? (And is it any different from hair light?)
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CIE Chromatic Diagram explanation
The MacAdam Ellipse is applied in the CIE Chromatic Diagram. I understand that humans distinguish some colors better then other colors (that's why the shape is eliptic / a horseshoe / inverted...
View ArticleWhat is the difference between "dual aperture camera" and "dual camera" on a...
What is the difference between a "dual aperture camera" and a "dual camera"? As far as I know, a dual aperture camera has two 2 apertures (IR sensor) and 2 cameras.
View ArticleWhat does it mean for light to be soft or hard?
I've heard of "soft lighting" and "hard lighting". What do these mean? How can I control how soft a light is?
View ArticleWhat does "frequency" mean in an image?
I don't understand how frequencies are defined in images/photographs. As far as I understand it now, high frequencies are like sharp things in images, like edges or so, and low frequencies are kind of...
View ArticleWhat are the benefits of the classic f-number scheme?
Classic ƒ numbers are entrance pupil diameter as a fraction of focal length. This seems like a slightly strange choice as exposure is proportional to area rather than diameter. Naively I would think it...
View ArticleWhy is there "single" in the term DSLR (Digital Single Lens Reflex)?
I have been reading about lenses and I was curious to know why there is a term "single" in the abbreviation DSLR? As far as I have read, the modern DSLRs (for example, the Nikon 3200) come equipped...
View ArticleObjective vs. Lens
I'm working at a German company that is building production machines. These machines are using cameras and microscopes to align small structures. Because we sell them worldwide we have to properly name...
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Is there a category name for pictures where an object fills a relatively...
I am a web developer whose knowledge about photography is very limited. I am trying to find keywords to search for more pictures like the following. where there is a picture of an object with pure solo...
View ArticleHow many pixels in a megapixel?
I am trying to find out the definition of a megapixel? Some references on the web place it at 1 million pixels, and other places say it is equal to 2^20 = 1,048,576 pixels.
View ArticleWhat is considered High ISO?
So reading the questions I came across this Why do cameras include very high ISO settings even though they are so noisy? and my comment on this answer led me thinking, how do we qualify high ISO? Is it...
View ArticleWhat does "normalizing the curve" mean?
A colleague mentioned a course in digital signal processing where he remembered the expression "normalizing the curve" or "normalizing the image" to make it as accurate as possible and get better image...
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What is the difference between Diffraction Spikes and Lens Flare?
When Googling for lens flare, one often finds images that also include stars (rays / diffraction spikes), like this: What is the difference between diffraction spikes and lens flare and are the two...
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I took this photo of a sunset a few years ago. Would this image be considered...
I’m confused because there are dark silhouettes at the bottom of the image. I’ve been taught that if there are dark shadows and silhouettes, it will almost always be a high contrast image. Can someone...
View ArticleWhat is a blown out background?
I've started using Photoshop recently and a lot of people mention "blown out backgrounds", and how to stop them — but never explain what they are. Could someone explain?
View ArticleWhat are photographic "typologies"?
I recently encountered the phrase "Becher typologies". While, I understand the meaning of typology with respect to classification and categorization, Becher typologies do not seem to fit this...
View ArticleWhat/who is a 'guy with camera' or 'GWC?
Recently (mainly) in the hobbyist model photography world I've been hearing the term 'Guy with camera' or 'GWC' thrown around, usually in a derogatory way, by models, photographers and other creatives....
View ArticleHow can I explain focal length to someone who isn't into photography?
ContextSo my friends and family are curious about how far my lens can reach. I usually explain with focal length and show them a few pictures.QuestionIs there any easier way to explain what 300mm can...
View ArticleWhat is the difference between a 3D camera and a stereo camera?
I just started with image processing and came across 3D cameras. But, I couldn't understand much. Are 3D cameras same as stereo cameras? My understanding of stereo cameras is that there will be two...
View ArticleWhat is focal length and how does it affect my photos?
What is focal-length? Are focal-length and zoom synonymous? How does the focal length of a photo affect it? Are there common uses for different focal lengths, and how can I decide what to use when?
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