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1500 questions
17
votes
3 answers
Why do mirrorless cameras have quicker autofocus than SLRs using live view?
With early 2013 cameras, it's generally accepted that using contrast detection autofocus on SLRs (ie live view on most SLRs) is something which is really suitable only for static, or close to static, subjects due to the slow focusing speed. On the…
Philip Kendall
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2 answers
How do lens lineups vary across Mirrorless camera systems?
We often hear advice like ""choose your lenses and then choose the body that matches". We have great information on DSLR systems at How much do lens lineups vary across DSLR platforms?, but what about for mirrorless interchangeable lens cameras…
mattdm
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17
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3 answers
Is a card reader faster than connecting camera via USB?
I've heard that compact flash readers allow your computer to much faster read the photos off the camera, than when you connect your camera over USB.
Is that true? What about other card formats, like SD?
Sebastian Hoitz
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17
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4 answers
What license to use?
I have been struggling with this for a while now and have done some research with no conclusive answers. I am a beginner in photography in that I take pictures more seriously now then I did before. I follow photographers on Twitter and read their…
John Virgolino
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17
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15 answers
What is a Cheap (less than USD50) Piece of Kit would make a Good Gift for a Photographer?
Christmas is Coming
... Well, it's a few months away, but family are going to start asking for gift ideas soon, so I'm putting together my list.
I'm sure you have some great suggestions for affordable little bits of kit that make a big difference. …
AJ Finch
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17
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6 answers
Fix photo timestamps?
I took a bunch of pictures, and when I loaded them onto my PC, I discovered the time on my camera was set incorrectly. Now this normally wouldn't be a problem...but I am combining pictures from multiple cameras, and I would like the have the photos…
davr
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17
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5 answers
Does "long exposure noise reduction" option make any difference when shooting RAW?
I can configure my camera (5D) to use long exposure noise reduction (dark frame is exposed and subtracted), but is this method really effective when shooting RAW? Or is the actual subtraction only done when shooting JPEG?
Karel
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17
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3 answers
Why are 50mm Lenses Cheaper?
There is no doubt that 50mm lenses, if all other variables are held equal, will beat any other lens when it comes to value for price (lower f/number). I want to know why.
Possible theories I have heard:
There some physical property of the lens that…
Daniel Smith
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17
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2 answers
Retrofocus lens? What's that?
I saw that in Why do some people prefer 50mm to 35mm prime lenses, even for a crop sensor? , in @MattGrum's answer:
...
The 50mm is a simpler design compared to the retrofocus 35mm
...
What's retrofocus?
Kiril Kirov
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17
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11 answers
Can in-camera JPEG have image quality advantages over (third party software) converted RAW?
Question about RAW advantages over JPG made me curious if somebody has examples where in-camera JPEG is actually image quality-wise better than RAW image converted in computer (possibly by third party RAW converter). I don't mean default settings,…
Karel
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17
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4 answers
What is a 200mm lens good for?
I just found that there is a 200mm lens at my school. It is a Canon with Image Stabiliser (with red detail). It is old, at least 10 years. It has been great playing around with it, but I really don't know what it is good for. What type of photos is…
lindon fox
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4 answers
Why do people in the stands during events use flash?
I was watching the Olympics, and one thing I noticed was that flashes are going off in the spectators' stands.
Why are people using flash? Is it because they are using automatic mode, or point and shoot? I can't imagine it getting good results. Also…
Bill
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17
votes
3 answers
How should I approach people to take their portrait?
I recently saw a photographer's project on-line, where he takes 1 portrait each day of a total stranger. The project along with countless hours of looking at Steve McCurry's work sparked some interest in me to take on a little bit of…
Penumbra84
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4 answers
Why is the Fluorescent filter for a flash green?
I just bought a Nikon SB-910 speedlight.
The filter that comes with it to use under fluorescent lighting it green, why is this? because certainly to my eye there is not a hint of green under normal fluorescent lighting.
Digital Lightcraft
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17
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3 answers
Is it possible to make a single still photo from a video?
The idea comes from the fact that in astronomy (amatorial), it's common to take videos from a telescope with a webcam and convert them into a single, less noisy picture.
The principle is that of oversampling, also used in electronics for analog to…
clabacchio
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