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1500 questions
20
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14 answers
What are ways to record who took the pictures if a camera is used by multiple people?
My wife and I both like to go out photographing. We usually have only one DSLR/MILC with us, so we take turns in taking pictures. (Rarely, if we have multiple cameras at hand, they usually have different lenses on them and we also swap when we like…
SztupY
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5 answers
What focal length gives a "normal" field-of-view on APS-C cameras?
I wish to purchase a "standard angle-of-view" prime lens for my Canon Rebel, which has an APS-C sized sensor. Various articles note that the popular "nifty 50mm" lenses are a little too much of a telephoto on these cameras to work well as an…
Adam Franco
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6 answers
How do I make my photos have more impact?
I'm a new photographer and so I decided to start out with a relatively cheap, easy to use DSLR: the canon rebel t6 (EOS 1300D). With the camera, I also have the standard 18-55 and 75-300 mm lenses; and, I also have a 50 mm f 1.8 lens my uncle sent…
Ilham
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20
votes
11 answers
Which piece of equipment is holding me back?
I am primarily an amateur photographer but I do take small jobs from time to time. I'm looking to upgrade my equipment but I'm not sure if I should be spending money on my body, glass, or both. I have two common issues that I'd like to improve.
I…
MDaubs
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3 answers
What is the Nyquist Limit and what is its significance to photographers?
The Nyquist Limit is frequently mentioned in the context of lens and sensor resolution.
What is it and what is its significance to photographers?
Here is an example of it being used by DPReview.com in their resolution testing.
labnut
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20
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3 answers
How were pictures turned from film to a big picture in a picture frame before digital scanning?
How did people after taking a picture with film and doing the chemical processes, get that small film image to become a big picture that could be framed and hung before the invention of a digital scanner to blow up the image and print the image?
person personson
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3 answers
Orange “aura” around people/objects in photo, usually present with older cameras?
I’m not sure if this is the right place to ask but I’ve been unable to figure out what exactly this is. It’s an effect, seemingly unintentional, that makes people and things have orange blurs around them, making them look like their souls are…
Medley
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4 answers
How many colors and shades can the human eye distinguish in a single scene?
How many distinct colors, shades, hues, and tints can the average person distinguish in a single scene? In other words, what's the theoretical bit-depth required to be sure of recording a photograph with all of the visual information a human would…
mattdm
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10 answers
Is replacing all my Fujifilm gear with this Canon zoom lens an upgrade?
I'm a hobby photographer. I like taking portraits, which I often do at festivals and conventions. I usually take the following gear: Fujifilm X-T2 (an APS-C sensor mirrorless camera), a 16-55mm f/2.8 (sometimes the 18-55 f/2.8-4 kit lens), a 35mm…
Belle
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19
votes
4 answers
Why are effective pixels greater than the actual resolution?
This page compares Canon EOS 550D and Canon EOS 500D cameras and mentions
18.7 million effective pixels
for 550D. However the best resolution possible using this camera is
5184 * 3456 = 17915904 ~ 17.9 million pixels
What are effective pixels,…
Lazer
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19
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11 answers
How can I trigger multiple cameras to fire simultaneously?
I have 10 Canon 5DmkII cameras which I want to fire simultaneously... How can I accomplish this task repeatedly and reliably?
NOTE: Although I mention 10 cameras, it will be a 'super bonus' if the solution is scalable to n cameras...
Jay Lance Photography
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19
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3 answers
What causes these white, squiggly lines in my photos?
I took this self portrait this morning getting out of the shower. There are some white squiggly lines: two near the sink and one on the door handle. What causes them?
The picture was taken with a Ricoh GR II (without flash). I'm very new to this,…
BigMouth
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19
votes
8 answers
Are there any really silent but good DSLR cameras?
When photographers take pictures at events, like at the latest British open golf tournament, you can hear a lot of loud shutter(?) noises? Is that really necessary for a digital camera? Especially when photographing wildlife, it is important to be…
txwikinger
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6 answers
How can I convert an Apple iOS HEIF image into JPEG?
How can I convert an HEIF/HEIC image into a JPEG? Maybe using ImageMagick?
OneSolitaryNoob
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19
votes
1 answer
What does the theta symbol near the flash represent?
On my camera, between the mode dial and the flash, there is a white theta symbol. I've also seen it on review sites in pictures of other cameras, often in different locations but always near the pop-up flash. Why is it there, is it useful, and if…
user2910