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1500 questions
16
votes
13 answers
Is there a compact camera that offers secure deletion of pictures?
Does any manufacturer produce a compact camera which has the ability to securely delete pictures from the memory card? Or, failing that, have a format feature which really blanks the card rather than just deleting the FAT?
I work for a healthcare…
Chris
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16
votes
2 answers
DSLRs with separate controls for aperture and shutter?
I just bought a Nikon D3200 DSLR and I'm going to return it. It's fine if you always want to use in fully automatic mode, but in Manual mode, it's much less convenient. You have to set the shutter speed using this little thumb wheel, and then press…
Elizabeth
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16
votes
3 answers
How do cheap macro ring flashes perform?
When I last checked years ago, the price of a typical Ring flash unit was approximately $500. Nowadays there are still ring flashes for approx. $500 like Pentax AF160FC, Pentax AF-140C, Canon MR-14EX, Sigma EM-140 DG ...
On the other hand, there are…
asalamon74
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16
votes
4 answers
What's the reason for red eye in photo?
What's the reason for red eye in photos? It only comes sometimes. Does it depend on the distance between subject and camera? Or light adjustment? I took 4 photos, some of them have red eye and some are don't. How can I avoid this? And what is a…
Gururaj T
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16
votes
1 answer
Why is sharpness lost in my DSLR viewfinder?
I have a fairly new Nikon D7000 (I've taken about 2000 pictures).
Something happened during my last trip, where thew viewfinder never gets sharp anymore. It always looks out of focus, regardless if i am in manual or automatic mode.
Pictures still…
Sonic Soul
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16
votes
3 answers
Pushing film while stand developing?
Recently, I came across an experiment stand developing Kodak Tri-X. The photographer shoots the same scene at box speed (ISO 400), 800, 1600, and 3200. The entire roll is developed in Rodinal diluted to 1:100 for an hour—he only agitates for 30…
keyofnight
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16
votes
5 answers
Why is the sky in photos always too white?
Why do I never seem to get a clear picture of the sky during the day, even with white puffy clouds in the sky? It always looks over exposed and whitened out? I am using a Nikon D3100, no lens hood, manual setting.
axelf
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16
votes
2 answers
Why does a 50mm lens appear to give a human perspective, rather than a normal lens?
I grew accustomed to the notion that what one sees through a normal lens equates (or is close to) what can be seen with the naked eye (although that is not the "pure" definition of a normal lens, which is when the focal length and the sensor's…
Berzemus
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16
votes
9 answers
What advanced cameras are the size of a point and shoot?
My wife is starting to get in to photography more and more. She likes her point and shoot camera because it is small so it can go with her most ever where.
She is interested in some of the nicer cameras (with focus control and high zoom lenses). Is…
Vaccano
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16
votes
4 answers
Laws regarding photos taken from airplane?
What are the laws for photos taken during a commercial flight? Just shooting some clouds outside the window and maybe a small city picture after takeoff. Anything I need to know?
chiborg
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16
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0 answers
What should I look for in a polarising filter?
I am wanting to invest in a polarising filter for my camera (a Canon T2i/550D). What sort of things should I be looking for? What differentiates a good polariser from a bad one? Are there any brands to go for/avoid? Do you have any particular…
CodeToGlory
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16
votes
3 answers
What's the safest orientation for storing a lens in a bag?
You may think that I am a bit crazy, but every single time that I carry more than one lens with me (and I like doing that, since changing lenses is part of the fun :-) ) I cannot avoid to wonder if it's better (as in "safest") to place the unmounted…
Francesco
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16
votes
4 answers
Why aren't there any cooled CCD sensors to reduce noise?
Sensor cooling is a common technology to get less noise. Why isn't it available on high-end D-SLRs ?
(see http://www.andor.com/scientific_cameras/ikon-m_cooled_ccd/ for an extreme example)
I'm not saying D-SLRs should be cooled with liquid nitrogen.…
Skippy Fastol
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16
votes
5 answers
What is the difference between a soft and sharp image?
I have seen several questions talking about images being soft or sharp. What is the difference? Is soft simply the opposite of sharp in this context, or is there something more to it?
Sample images would probably help a lot.
mundeep
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16
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9 answers
How can I make the sky in this photo more vibrant?
I spent an evening walking around and shooting with my relatively new Nikon D7000 and I ended up not liking most any of the photos I took..
Let's take this one for example:
The sky was blue and vibrant when I took this shot. Why did it come out so…
Sonic Soul
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