Most Popular

1500 questions
18
votes
3 answers

Are there any good open source noise removal tools?

In particular that run natively on Linux.
txwikinger
  • 2,937
  • 3
  • 24
  • 26
18
votes
3 answers

What is the difference between teleconverters and extension tubes?

I'm aware of two devices that can extend the reach of a lens: the teleconverter and the extension tubes. What else would they have in common, and where do they differ? Are there situations where one would be preferable over the other?
Grant Palin
  • 3,109
  • 5
  • 29
  • 46
18
votes
6 answers

Can I use a flatbed scanner to scan a photo into RAW format?

I have a photograph (on paper) that needs retouching. I have an HP Officejet 5610 flatbed scanner. Is there any software that will allow me to scan said photograph and capture it as RAW so I can use Lightroom 3 to perform some corrections on it? The…
Sparx
  • 685
  • 2
  • 7
  • 11
18
votes
5 answers

How Do I Know My Memory Card Is Dying?

I have a 2GB SanDisk Extreme II (I think it's a II) CF card that I use as my main card in my Nikon D200. I normally shoot, take the card out, place it in a cheaper reader, and copy the pictures to my NAS using my iMac. I then format the card using…
Mike G
  • 283
  • 2
  • 6
18
votes
6 answers

Which cameras can sync at faster than 1/250?

I am told that certain (mostly older) DSLRs can sync (i.e. successfully work with flash) at shutter speeds faster than 1/250 of a second. Which makes / models can do this? Update Thank you for all your answers. Fantastic. Keep them coming. I am…
AJ Finch
  • 11,822
  • 3
  • 43
  • 76
18
votes
3 answers

What makes a camera an "SLR"?

My question, specifically: why is the Fujifilm HS 10 not an SLR?
cambraca
  • 395
  • 3
  • 9
18
votes
5 answers

Prints: Pro labs vs. supermarkets - what's the difference?

While there was a good discussion of using a lab vs. a personal printer, I'm curious what folks see as the advantages to using a pro photo lab as compared to the local drugstore or supermarket. Why should a photographer send files to someone like…
ahockley
  • 21,446
  • 6
  • 75
  • 147
18
votes
11 answers

What is the best lens for taking photos of birds?

I was using a Panasonic Lumix, now I finally got a Canon EOS 60D, but I was used to that 18x zoom that my old camera has, because you can't get too close from the birds to take pictures, since they fly away, then I want to know which is the best…
Nathan Campos
  • 619
  • 1
  • 8
  • 14
18
votes
5 answers

Should I switch off image stabilization when photographing my 2 year old?

A large percentage of my photos of my 2 year old appear to be blurred. I know one of the problems is that she will not sit still for a second, but I am using a fast shutter speed. Could IS be causing some of the blur? I am using a Canon 50D with…
Dan
  • 183
  • 4
18
votes
3 answers

Why does colour negative film have an orange mask?

I've noticed that developed colour negatives usually have an orange layer. Is this an artifact of an old printing process, required by the chemistry, or is there some other benefit to it?
Jon.Griffen
  • 960
  • 6
  • 14
18
votes
3 answers

What is HDR photography?

What is HDR photography, and when might it be useful?
PearsonArtPhoto
  • 10,941
  • 10
  • 60
  • 93
18
votes
7 answers

How should one best manage large collections of photographs?

With gigabytes of pictures accumulating over time, I'm wondering what systems (software, strategies, etc.) people are using to keep track of their collections? Let's say you remember a picture and you want to find the file on disk, how do you ensure…
Andre Holzner
  • 131
  • 1
  • 1
  • 5
18
votes
5 answers

How can you tell when a sunset is going to be spectacular?

I have a spot that I like to take sunset pictures. I find that the most spectacular moments last for only maybe 5-10 minutes. What I would like to do is know about a half hour before that a sunset is going to be spectacular, so I can grab my camera,…
PearsonArtPhoto
  • 10,941
  • 10
  • 60
  • 93
18
votes
3 answers

Why do electronic shutters expose row by row?

This question connects with my previous question, Why do cameras use a slit between two curtains rather than exposing the entire sensor instantly? This question is about why the slit thing comes with the electronic shutter. Why would electronic…
user152435
  • 1,515
  • 1
  • 12
  • 31
18
votes
3 answers

Is it ok to use a lens hood in low light?

I have read some of the other questions about lens hoods (for example, this one) and I hope that this is specific enough to not be considered a duplicate. My understanding is that lens hoods block out "stray light". I had my lens hood on when I was…
Tom
  • 3,149
  • 6
  • 31
  • 37