Alley in Pisa, Italy

by Lars Kotthoff

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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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18
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6answers
1k views

ND Filter not Dense enough - How do I get long exposures in very bright situations, where my ND filter isn't enough?

What is the best way to achieve very long exposures in very bright, sunlit conditions? Right now, I have a Hoya ND-400 X filter (9 stops reduction), and even with my camera set to ISO 50, and F22, my ...
9
votes
4answers
2k views

Can stacking multiple exposure images in post-processing give the same effect as a long exposure?

I like to shoot daytime long exposures, where the exposure time is around two minutes. That shows the motion of the clouds in daylight. I used a Hoya nd400 (which is 9 stops) stacked together with a ...
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 ...
12
votes
6answers
2k views

How do I set the focus in long exposure night sky shots?

I want to catch a good long exposure (5 - 15 seconds) shot of the International Space Station in the night sky as it passes over my city. Setting the ISO higher (say, to 100) and the exposure time is ...
4
votes
2answers
852 views

How do moving objects disappear when exposed for longer duration?

I was going through a tutorial that explained the use of an NDX filter. Pictures taken of a busy street at slow shutter speeds with the filter on had only empty streets without any vehicles. How does ...
0
votes
3answers
1k views

How does the Neewer brand wireless external shutter release for Nikon D5100 work?

Ok, time has come to buy external shutter release. I have Nikon D5100, and I looked at nikon official page, they offer wireless shutter release, and cable release. Unfortunately, wireless release is ...
13
votes
3answers
1k views

Is this a reflection in my photo?

I can't quite figure out what exactly is appearing in my photo. I was thinking it could be a reflection but I really don't know. This is the full size image, then a crop at 100%. No Photoshop has ...
2
votes
2answers
610 views

How to picture thunder when storm is coming [duplicate]

Possible Duplicate: What technique and camera settings should I use to capture lightning strikes? My home town is very lack of thunders, but when time comes, I should be prepared to shoot. ...
3
votes
1answer
105 views

Are there any digital cameras that show the partial picture mid-exposure?

Inspired by this question. Are there any cameras / firmware hacks out there that read the sensor multiple times during a long exposure, and show the partial picture on the screen? Light-painting ...
1
vote
3answers
371 views

What's the difference between a closed and open aperture diaphragm for night street photos?

I'm capturing a picture during night and to a street with a lot of cars running over the street. What happens (in general, from a theoretical point of view) if I shoot the same photo under the ...
0
votes
2answers
967 views

Waterfall exposure time with Nikon d5100 [duplicate]

Possible Duplicate: How can I make good fountain/waterfall photos? How do I make the water silky in water/beach photography? yesterday I went outside my town, and tried to picture ...
5
votes
2answers
404 views

What camera filter would I use to capture a long exposure seascape

Keith Naylor Has managed to capture some stunning examples of seascapes, (see example below) I fear that if I was there at the same time, my photo would be over exposed I believe he is using some ...
19
votes
4answers
2k views

Why are there limitations to the upper limit of exposure time in digital cameras?

For example, my Canon 550D will only go as far as 30 sec (and then of course the bulb mode). For measuring exposure, I think all the camera needs is a timer, and I have no doubt they would have to do ...
3
votes
3answers
2k views

Long exposures without turning night into day

When taking Night Photography you will use long exposures. Sometimes these exposures can be very long. My question is this: How can I take long exposures without turning a night scene into a scene ...
5
votes
2answers
8k views

How can I take long exposures using a Nikon D7000 with wireless remote?

I have recently tried to take pictures of stars using my wife's D7000, but I couldn't get it to expose for more than 30 sec. In my old D70 I used the wired remote to do long exposures, but now I have ...
1
vote
2answers
1k views

Does long exposure mean more details in landscape photos? If not, then how to take sharp landscape photos?

If I take a nature landscape photo using long exposure (tripod+shutter release), would that help me get more details in my photos? Example: (I don't have the high res version handy right now, sorry ...
0
votes
3answers
416 views

Using Light - Effects of Long Exposures?

The photo below is an example of using more light to get a movement effect of water. I know of a couple more tricks such as motion in clouds, motion with light (highway). Was wondering if their are ...
4
votes
1answer
1k views

How to photograph star trails AND city lights?

I don't get how this picture was taken: http://500px.com/photo/5956842 I know this is a blended shot and that the city lights are brought out in post but my questions is, why don't the city lights ...
10
votes
4answers
850 views

What filter should I buy if I wanted to do 5 min shutter speed in daylight?

What type of filter would I need to create an image such as the following: http://500px.com/photo/10158205
1
vote
1answer
739 views

How to photograph panning with a point and shoot camera?

I have recently learnt about panning photography on the internet and I was curious about capturing one myself, But as an amateur I just own a Point and shoot camera (Samsung SL30), I have ...
5
votes
3answers
741 views

How can I avoid star effect on light sources on long exposure photos?

I'm about to make some long exposure photos, but I don't want them to have this star effect on light sources. Can I avoid that with any filter? For this shot I used a Canon 18-55mm lenses. Note that ...
15
votes
3answers
1k views

why storing a long exposure photo takes almost as long as the exposure time itself?

last night I took some night sky shots, and I've noticed that with long exposure times [15s;30s] the time it took to store the images in the camera memory card (jpeg) took roughly as long? Whilst the ...
36
votes
4answers
10k 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 ...
1
vote
1answer
959 views

How can I take long exposure photos with a webcam?

I have a very simple webcam made by A4tech. It already has an exposure function (in its settings) and it's good in low light. I want to be able to take even longer exposures. I have found this but ...
11
votes
8answers
1k views

How can I prevent blurred images when using a tripod?

I'm doing panoramic HDR photography for work using one of those stupid cheap mirror balls mounted on a tripod (not my decision!) and I am noticing on my longer exposures that sometimes I'm getting ...
9
votes
3answers
2k views

Does long exposure cause hot pixels in photos?

Today, I was taking some shots of night sky. For each, I had 20 sec exposure. During picture review, I found a red dot which is referred as "Hot Pixel" according to some people on the Internet. ...
4
votes
1answer
418 views

Long exposure water shots tutorial for dummies? [duplicate]

Possible Duplicate: How do I make the water silky in water/beach photography? I want to start to do some long exposure shots of water like these: picture from noticeeverything So I don't ...
10
votes
4answers
2k views

Why is the lowest ISO always 100?

The lowest ISO on digital cameras always seems to be 100. It would sometimes be useful to have much lower ISOs, mainly for long exposure photography. What isn't there any 50, 20, or even 10 ISO ...
0
votes
1answer
164 views

How do I find a semi-professional camera able to open the shutter for long exposure (night shots)?

How can I find which semi-professional camera has the resource to open the shutter for long exposure, with the purpose to take night shots?
5
votes
1answer
302 views

What can go wrong with extreme long term exposure?

Ok, maybe I'm crazy, but I'm curious what will happen when I combine a ND400 filter (9 stops) with a zone plate or zone sieve "lens." If I'm shooting a sunset, it I might get a 30 second exposure ...
2
votes
2answers
319 views

coastal sunrise long exposure

I want to take a photo at sunrise with a long exposure of the sea which contains old World War 2 boat docking equipment in the sea. will i need to have a ND filter to achieve this as during the day ...
4
votes
2answers
323 views

What is the effect of long exposure on file size?

Is it a rule that long exposure will produce a larger size file compared to a shorter exposure? It seems logical, since you are writing more data to the memory card when you expose for more time. ...
3
votes
5answers
2k views

Using long exposures to make videos?

I would like to make a video that essentially shows a long exposure progressing as it is exposed. Essentially it would be initially dark and gradually get lighter. Lights that pass in front of the ...
3
votes
1answer
342 views

Why does my camera make a whirring noise during a long exposure?

I have a Sony Alpha a55. When I take a long exposure photo, while the shutter is open, the camera makes a whirring sound. What causes this noise and why is it necessary to the camera's operation? ...
1
vote
2answers
412 views

Blurred water effect

I have recently purchased a DSLR ( Canon EOS 500D) and am going to Rome in May with it. As you will probably know Rome is quite well known for its great fountains. When in Rome I wanted to try to take ...
0
votes
2answers
629 views

How do I lengthen shutter speed with out washing out the picture?

I read this question, and I tried some long exposure shots myself. Every one of my shots though, is washed out. How do I achieve a long shutter speed while keeping the lighting looking natural?
5
votes
4answers
5k views

How can I set an exposure time over 30 seconds with a DSLR?

Most DSLRs have an exposure time limit of 30 seconds. Now I'm asking myself how is it possible to create images about over 1 hour or longer, like these two: ...
4
votes
4answers
554 views

Why are these light trails large blobs of light instead of nice thin lines?

I'm trying to shoot a traffic light trails with my point & shoot camera (Panasonic Lumix DMC-LZ8). But the oncoming vehicle headlights are appearing as large blobs of light and not exactly thin ...
5
votes
1answer
405 views

Is astrophotography basically pointless with a moon in the sky?

I want to take some astrophotography shots of objects in the sky while not keeping the moon in the shot. I have read in a few places that you need essentially a moonless sky to do so. Does that mean ...
8
votes
2answers
394 views

What type of camera setup is required to take photos of luciferase?

I'm working with luciferase which has a wavelength of blue 480 nm and I want to be able to take a photo of it. The trouble is, I can see the luciferase glowing in all of its glory in front of me but ...
6
votes
5answers
1k views

Does long exposure affect the sharpness of a picture, assuming no camera shake?

Assuming that the camera does not shake during long exposure photography, How does the sharpness of the image get affected? Would it be more sharp, less sharp, or remain the same?
8
votes
2answers
703 views

Where does the noise come from in a long exposure?

I created another test. This time I exposed for 36 minutes, because I wanted to test star photography. This is not meant to be a nice photo; I really just tested. Camera was inside the house behind ...
1
vote
2answers
404 views

What causes strange spiral pattern on my star line?

Ok, so I created this test image. The camera was behind the window, I just tested long exposure photography on the single star I saw. It was about 20 minutes of expo, star was out of focus (I really ...
8
votes
3answers
2k views

Will long exposure night shots damage my camera?

I've been looking into long exposure photography for star tracking. How does it negatively (if at all) affect your camera?
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 ...
14
votes
3answers
2k views

What are neutral density filters and how do I use them to create long exposures in daylight?

I've seen a few related posts on the site but nothing specifically on this point: I'd like to be able to take long exposure photos during daylight (like the examples in this Flickr group). I'm told ...
2
votes
1answer
467 views

What is the battery consumption of the Canon EOS 20D in bulb mode?

What is the estimated battery consumption when using bulb mode for an exposure about an hour long? I know the best thing is to test it out, but I'm not in position to do that right now. Camera is ...
7
votes
1answer
317 views

Why don't we get hot pixels when using live view?

Why don't we get hot pixels while using live view mode, but do get then on a long exposure? I read somewhere that they appear due to the sensor being activated for too much time, but then, live view ...
2
votes
3answers
493 views

Why is dark-frame subtraction on my Pentax camera shorter than the exposure time?

When my Pentax K-r applies long exposure noise reduction (dark-frame subtraction), the processing time required for this operation is less than the exposure time. For example, my camera may perform ...
22
votes
3answers
3k views

How do I meter for long exposures (10+ minutes)?

One of my longstanding interests is long exposure night photography. However, many of the situations where I am shooting require exposure lengths on the order of 10 minutes, which is far beyond what ...