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1500 questions
35
votes
3 answers
Should changing the shutter speed affect the moon's color?
I just took two moon photos: one at shutter speed= 1/400 and the other at 1/200. Both @200mm, f/8, 100 ISO
I can understand with a higher shutter speed less light will enter into camera sensor, hence the photo should be darker.
But why does the…
gaganyaan
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12 answers
Does it make sense to put an expensive lens on a cheap camera?
I've spent a while looking at lenses and their prices, and now I'm wondering... Does it make sense to bolt a really expensive lens onto a cheap camera? Or is the extra performance only worth it if you have a similarly expensive camera to start…
MathematicalOrchid
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35
votes
5 answers
How do I copyright my photographs?
What exactly, if anything, do I need to do in order to copyright my photographs?
I have done some research into this topic and find a wide range of answers. Some articles on the web are stating that no action is needed while others detail a lengthy…
kacalapy
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35
votes
10 answers
Why is 18% grey considered to be in the middle for photography?
I heard someone (a photographer) say recently that 18% grey is half way between black and white, not 50%. This seemed a bit illogical to me, and when I asked her why, she said she didn't know. After reading a few online articles, I found that 18% is…
GiantCowFilms
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35
votes
10 answers
What attributes should I look for when buying batteries for a flash?
I want to buy some more rechargable batteries (AAs) for my flashes.
I suppose I mainly care about:
- Quick recycling of the flash
- Hold their charge when not in use
Although bonuses for:
- Long lasting (on a single charge)
- Long lasting…
matt burns
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35
votes
8 answers
Why are my photos not crisp?
I use a Canon EOS Rebel T3i (600D) with the kit lens. I have experimented a lot with different settings and modes, but I feel like I have wasted many good shots that could have looked amazing, if only they were a little bit sharper.
I use auto-focus…
iordanis
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35
votes
18 answers
What software is focused on reviewing and organizing images?
If I wanted to just view, sort, and organize (via tags or folders or both), what programs are geared toward doing this quickly?
I know I could do this in most any photo editor, but it's not ideal for reviewing hundreds of images. I've also seen…
robertpateii
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35
votes
2 answers
How does automatic sensor cleaning work?
My Canon 5D MKIII DSLR often does sensor cleaning when powered off and occasionally I'll go through the menu and specifically run a sensor clean when I've been shooting in unusually hazardous environments like caves. But aside from a weird 'bzzt'…
NULLZ
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35
votes
4 answers
How can I know what speed card to get for my camera?
Cameras rarely specify exactly what speed cards you should be using in them - I just checked the manual for my DSLR, and all it says is to use an SDHD card, and a "high speed" card should be used for recording video.
On the other hand, there are a…
chris
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35
votes
13 answers
What's the best number of shots to combine to produce an HDR photo?
What's the optimal number of shots to produce a high dynamic range
Does it vary from scene to scene? Do the capabilities or limitations of my camera factor in?
Are there different HDR techniques better suited to more or fewer individual…
abhi
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35
votes
8 answers
Can I publish photos taken in public legally?
Who actually owns a photo that is taken in a public place?
Ifi
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35
votes
20 answers
How can I hold my camera steady?
I've been an amateur photographer for some time, but have always had problems holding the camera steady. I've developed some tricks like using a flat surface and the self timer in low light, and of course rely on a tripod and I have an image…
Jen
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35
votes
6 answers
How can I tell exactly what changed between two images?
For example, for a recent conversation about JPEG compression I wanted to compare pixel for pixel what changed between two JPEGs (one with compression level 100, and one with compression level 95).
How do I generate good visual maps of what changed…
cabbey
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35
votes
10 answers
What is the difference between a telephoto lens and a zoom lens?
Looking at the product page for Nikon lenses, I notice a distinction between telephoto lens and zoom lens.
What is the difference between the two? Why would I want one over the other? I wiki'd telephoto lens but remain confused about this…
Kirk Woll
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35
votes
15 answers
Why store both JPEG and raw?
DSLRs often have the ability to store both a JPEG and a raw file.
Given that the primary benefit of in-camera JPEG over raw is the smaller filesize, and that JPEG+raw is going to store even more data than raw alone, it seems like you're just wasting…
Evan Krall
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