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Long exposures are taken with shutter speeds generally longer or much longer than one second, in order to capture stationary objects in low light while blurring or obscuring moving elements.

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6
votes
3answers
568 views

Do I need a special filter to shoot candles without damaging my sensor?

The guy from the photo shop pointed out to me that I need special filters if I want to shoot directly to the sun with long exposures in order to not ruin the sensor. Is this the same when I shoot ...
15
votes
4answers
13k views

How can I avoid star trails without an expensive tracking mount?

I want to take pictures of the Milky Way or a lunar eclipse or earth glow on the moon, but I don't have an equatorial tracking mount, and don't want to spend that much money on one. How can I get ...
15
votes
4answers
3k views

How can I simulate a long exposure photo using a set of shorter exposure photos?

I'm shooting towards the sky to capture the stars. The exposure time is 15 seconds, so I can see the stars still, without a trace. These photos are taken continuously one after the other, because I ...
0
votes
1answer
799 views

Long exposure mac / android apps?

I would love to start playing around with long exposure photography, more specifically light painting. I sadly don't have any camera except the iSight built into my Macbook Pro and my mid-range ...
15
votes
7answers
2k views

Should I turn off optical image stabilisation when shooting long-exposure photos?

I have a Canon SX210 IS. With CHDK, I usually take photos of more than 10 minutes at night (using tripod of course). I read somewhere it is recommended to turn off the mechanical image stabilization ...
0
votes
1answer
429 views

Tips for photographing long star trails [duplicate]

Possible Duplicate: Tips for landscape+stars photography? I need some tips and tricks for photographing long star trails. Some of the questions I am thinking about are: What aperture/ISO? ...
40
votes
6answers
11k views

Why do light sources appear as stars sometimes?

See for example this photo: From my experience, the longer the exposure the stronger can this effect be observed. Is this correct? Are there any other factors that influence the creation of these ...
6
votes
4answers
6k views

What does “long exposure” mean?

Very often, when people are talking about photography, they use the expression "long exposure". Here's a quote from a recent answer: A tripod and long exposure were required for this shot. Where ...
20
votes
8answers
3k views

How do I focus in low light for long exposures?

I've been trying to take some long exposure shots at night with my Canon 450D. The problem I'm having is that I can't seem to get a shot in focus. The low light conditions prevent AF from working at ...
24
votes
10answers
4k views

What settings should I be using to photograph fireworks?

As it's heading into firework season (with Thanksgiving, Guy Fawkes, and New Years), I've never been particularly successful at photographing fireworks. In previous years I think I've always had too ...
7
votes
1answer
747 views

How to turn off the LCD while taking long-exposure photos?

I'm using a Canon SX210 IS with CHDK. I know that capturing long exposition photos is a "battery draining" process, but it could be better. Why should the LCD's backlight be on while taking the photo? ...
5
votes
1answer
329 views

Explanation please: Pictures look inverted while making long exposure photograph

I have a 5 year old Point and Shoot (Nikon 4600). Though it has very limited capabilities , I have been learning lot of things related to photography from it. I was trying to make some long exposure ...
6
votes
4answers
211 views

Situations you might use USB remote mode?

I hooked up the 50D to my MacBook Pro the other day at home and found it great to see exactly how a photo is going to turn out on the big screen before taking it and was wondering when such a setup ...
11
votes
5answers
4k views

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 ...
9
votes
2answers
435 views

What filter should be used to lengthen exposure?

I would like to take long exposure shots in the day, but I just can't imagine how to do it because even fireworks (night shot) exposed for more than five seconds are too bright. I did some research, ...
30
votes
6answers
1k views

What is the best technique for long-exposure photography in good light?

Can anyone offer any tips on achieving long exposures (with the intention of blurring water, clouds etc)?