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by Vaman Kulkarni

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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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Wich part of the milky way does the image show? [migrated]

As a general question and more in specific regarding the image above: Which part of the milky way, planets, stars, clusters are included in the image? How can I know which entities are included in ...
6
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4answers
1k views

How to get soft-blur effect on flowing water with iPhone?

I like taking pictures of flowing water on my iPhone, and I'd like to get the soft-cloudy-blur effect for the water. On a traditional lens camera, this can be done with a longer exposure time. Is this ...
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5answers
1k views

Does a long exposure in DSLR camera have a similar effect to a global shutter?

Regular DSLRs make use of mechanical shutters and progressive electrical readouts, and hence images are captured in a rolling shutter. But, when used to capture pictures with a long exposure, where ...
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0answers
34 views

What would a video look like without the shutter separating frames? [migrated]

If the shutter wasn't in the picture, what would you get? Are there any examples of this available? I've searched, but couldn't come up with anything. Is this an impossible thing? Or are the results ...
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2answers
62 views

Requirements for long-exposure night time webcam

I am working on a computer vision project that requires repeated measurements of the amount of light a specific building emits at night. I want to set up a webcam and a Rasperry Pi, and set it to take ...
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3answers
43 views

What's the best quality paper to print night photos?

I am shooting numerous different types of long exposures of cityscapes. I want to know what is the best type of paper to print onto? I want to get the deepest blacks.
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3answers
38 views

Is there a way of using a square gradient filter with a circular filter system?

I'm interested about a circular filter system for (very) long exposure photography, such as the one by Formatt Hitech. However, I'd like to use a square gradient filter; they make a circular one but I ...
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1answer
53 views

Light reflections with filter stacking

I typically use multiple filters when doing long exposure. Assuming light leaks from the sides are taken care off with proper sealing, could there be light bouncing back and forth between the ...
6
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4answers
731 views

Any alternative for manual cable releases?

I want to do long exposures of the Perseid meteor shower this weekend using my Canon AE-1 manual film camera. I don't have a manual cable release. Are there other hacks/ways to hold the shutter open ...
2
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2answers
112 views

ISO to shoot very very dark object with a tripod [duplicate]

I want to take a picture of a (almost) pitch black landscape at night. Like a mountain or trees at night. The object will not be moving and I will have a tripod. I am not sure what is the best way to ...
1
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1answer
87 views

How to photograph laser show with long exposure while outdoors?

I want to take an image of a laser show projected in a wall. Indoors in low light I use longer exposure 1/8 or 1/25 second. Outdoors the images are completely washed out. I want to know if there is a ...
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1answer
79 views

Time limit of bulb mode in Nikon DSLR

I'm using Nikon D750. Is there a time limit as to how long we can have bulb mode on?
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2answers
76 views

Portable and sturdy tripod [closed]

I do mostly long exposure architectural photography. I've always used the Manfrotto Befree tripod, which is great because it can fit a messenger bag and I can carry it everywhere. I am ...
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2answers
93 views

Does the Metabones adapter have light leaks during long exposures?

I'm interested in tilt-shift lenses for use with a Sony a7RIII in long exposure mode. I typically do 5/6 minute long exposure and I'm worried about light leaks while using Metabones adapter. I'd ...
2
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4answers
103 views

Very long exposure with Ilford film

I typically do 5 or 6 minute long exposure with digital. With film, technical specs usually go up to 2 minutes. Is the formula available for computing longer exposure?
5
votes
2answers
296 views

Why is there a “ring” mark in night photos?

Recently started astrophotography with a used Tokina 11-20mm f/2.8 lens purchased from the original owner. The lens is scratch free, clean, and well kept. All focus options work perfectly in manual ...
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2answers
54 views

RAW (.dng) on my Phone (OnePlus 5) vs on Picasa 3 (Noisy)

I recently took a long exposure shot of the sky at night on my OnePlus 5. The RAW image when viewed on phone turned out to be great, pitch black sky and white-red-blue stars! Pretty excited, I decided ...
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3answers
2k views

Why did my ND filter produce washed out exposures?

So I bought a set of (pretty cheap) ND filters a couple of years ago and took them on holiday to Canada with me last year. I managed to get a couple of OK shots but most of them looked something like ...
3
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1answer
54 views

Adapter for Zeiss 80mm planar (with Hassalblad 500)

I'd like to do IR photography as well as long exposure with my Hassie. I just both the Lee filter adapter and the Hoya 72mm IR. However, they do not fit the Zeiss lens. Do I need a different thread?
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1answer
93 views

Cheaper alternative to OEM hoods for long exposure filters

I've got several Lee filters with holder by the manufacturer. I'm looking for a hood, but the one sold by Lee is very expensive. Did anybody find a cheaper alternative?
3
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1answer
123 views

Strange light leak in long exposure

I'm not sure why, but I'm getting, at times, images like the one below, while doing long exposure with the 15 big stopper. I had this problem today for the first time, and not with all pictures. ...
6
votes
2answers
248 views

How many stops should I compensate for with SFX200 and Hoya R72 Filter?

I recently bought both the SFX200 infrared film as well as the Hoya R72 IR filter. I searched online and I'm a bit confused about exposure compensation. With the combination above, how many ...
3
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1answer
137 views

What is a tracked and un-tracked image? I can't find anything about it.

I've been trying to figure out from seeing an Instagram photo where the guy made a long exposure shot combining the stars and the crashing waves into one and I can't understand how he did it. He said ...
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1answer
146 views

Long exposure and IR with Hasselblad 500cm

I have two basic questions about the Hasselblad 500cm since I could not find an answer elsewhere. Which remote cable release (possibly brand/model number) can hold the shutter down, for very long ...
11
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1answer
2k views

Can I stack ND Filter and Polarizer together?

I've seen some images of long exposure photography with a polarizing filter. I was wondering if I could use an ND and a polarizer together. Will the polarizer have the same effect? Will the image ...
5
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1answer
107 views

Object in night sky long exposure

I took this long exposure of the night sky with my phone, the exposure lasted for 5 minutes. After seeing it, I saw this weird streak going across the photo. I compared it to other long exposures on ...
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3answers
184 views

Reasonable setup for ultra long exposure for this kind of photo using Nikon D750

I'm using Nikon D750, and intend to take a ultra long exposure picture such as this (by Michael Kenna). What's is the reasonable shutter speed and aperture for that? If I use shutter speed 2 hr what ...
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2answers
87 views
3
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1answer
86 views

How does shutter work on Canon EOS 5 film camera? Will long exposure drain the battery?

I've read somewhere that mirror is held up by some electromagnetic mechanism, and hence will drain the battery quickly when using long exposure. Is that true? It was also suggested to press shutter ...
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2answers
279 views

Why is my 2 second long exposure shot overexposed?

I have the Olympus PEN Lite E-PL5 and I’m kind of getting frustrated because whenever I try to do a long exposure shot it’s always blown out. I put the ISO to 200 because that’s the lowest I can go, ...
24
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7answers
8k views

What are the reasons for not taking super long exposures (hours) in astrophotography?

I am doing some research to get into astrophotography. Most of tutorials recommend taking multiple exposures and then stacking them. That makes me wonder: provided that the camera is on a tracking ...
2
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1answer
109 views

Why I'm not getting the 'trails' of the shutter drag photos?

I recently tried to do some shutter drag photography. I'm limited to the first curtain sync only, and it's not possible to use an external flash since it's a compact camera, or to trigger a flash ...
1
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3answers
516 views

How to remove hot pixels with a dark frame?

I took some photos at night and I didn't have long exposure noise reduction on. My photo has quite a few hot pixels, here's a 100% crop of a part of the sky: Since long exposure noise reduction is ...
3
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0answers
47 views

Strange fringe pattern on long exposure photo [duplicate]

While compositing a series of long exposure images, I noticed this strange fringe-like pattern getting brighter at each layer blended in "lighten" mode. It features a circle and a cross in the middle ...
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2answers
198 views

Agfa Vista 400 reciprocity failure

I would like to take long exposures with the Agfa vista 400, but I do not know how to calculate for the additional exposure time needed to compensate for reciprocity failure. I have also looked up the ...
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1answer
75 views

At which shutter speeds does the Long Exposure Noise Reduction make sense to use?

There is Long Exposure Noise Reduction function on Canon cameras that supposedly reduces the noise during long exposures. However it's not clear to me at which exposure lengths is the function most ...
4
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1answer
79 views

How can I interrupt a long exposure on a Canon camera?

Let's say I've started a 30-second exposure and I would like to interrupt it. What is the recommended way of doing so? Opening the battery compartment or the memory card compartment does work, but I'm ...
2
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1answer
169 views

How does in camera dark frame noise reduction work?

There are several questions and a tag relating to what it is but I can't find much relating to how it is actually done in camera anywhere. The internet reveals many "how to" pages for doing the ...
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3answers
213 views

What should I look for in a camera for shooting in bulb mode for astrophotography?

I am interested in astrophography and I would like to learn and experiment with long exposure. I have been looking around for some dslr cameras but I can't find much information about bulb mode for ...
3
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2answers
108 views

Why does my intervalometer fire only once and then display 99:59:59?

I have a JCC Intervalometer with a problem! Bulb setting set to 2 minutes, interval 1 sec., number of shots 15. Actually, the numbers do not matter. When the unit gets through the first exposure time,...
2
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2answers
273 views

use of nd filter in long exposure(in hours) film photography

do i really need a 10 stop nd filter if I want to do long exposure film photography like for 1 to 4 hour in the pitch dark how can one decide if he needs a nd filter or not in various situations ...
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0answers
31 views

Intervalometer taking shorter exposures than time set

I was testing my intervalometer out recently and noticed that it always shoots a shorter exposure time than I manually set on it (apart from 1s). Here is what I found: Set time / Resulting exposure ...
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0answers
730 views

Why does my Sony a6000 take so long to process long exposure shots? [duplicate]

I take a lot of long time exposures in my Sony a6000. I've noticed that the camera takes about the same time to process an image as to acquire it, so a 5 minute exposure will take an additional 5 ...
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2answers
162 views

When stacking filters, how much larger than the lens thread diameter should they be to avoid vignetting?

I want to do long exposure photography but I am not willing to shell the dollars for a good 100mm filter kit. I am now considering a cheaper solution using circular filters. I want to be able to ...
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0answers
60 views

Why don't DSLRs support exposure times beyond 30 seconds, unless Bulb mode is used? [duplicate]

I've recently purchased a Canon 200D and was surprised to find out it's limited to 30 second exposures unless Bulb mode is used. At first I've thought it's a restriction on my low end DSLR but ...
4
votes
3answers
195 views

If I have two ND filters both strong enough to get smooth blur in the way I want, is there a reason to pick one over the other?

If I have two neutral density filters (e.g. 5 & 10 stop) and the effect I'm after can be achieved with either (blurring of water/clouds) with differing exposure times using either, is there any ...
3
votes
3answers
163 views

Real world differences in pinhole sized apertures

I'm interested in experimenting with a pinhole camera and am considering the Ilford Obscura or Titan. The focal lengths are slightly different and not of concern for me. What I'm really interested ...
2
votes
2answers
133 views

Strange light when shooting long exposure [duplicate]

I've been experimenting with some photography for a few months now and I noticed that this happens on pictures with lower shutter speeds: What is this, why does it happen and what can I do to prevent ...
1
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7answers
409 views

Is my tamron lens VC (image stabilisation) working properly

I am an amateur photography and although i have taken long exposure photos before, this is the first time for a while and with my new camera Canon EOS1300D. I am surprised at the blurry result. The ...
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3answers
141 views

Milky Way Photo

I am planing to shoot a photo of milky way at the end of September. Location is set - a place with least Light Pollution I have also checked moon status(moon rise and set) All of it is fine except ...