Napioa - Wind Origins

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Exposure is the total amount of light allowed to fall on a sensor or film during the taking of a photograph. This is determined by the exposure time (shutter speed) and amount of light admitted (lens aperture). Today, sensor/film sensitivity (ISO speed) is often also considered to be part of ...

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2answers
1k views

How do I tell if an image is exposed correctly when I can't trust the LCD? [duplicate]

I used exposure compensation when I take my shots and adjust it whenever it needs adjustments. Most of the time I shoot using Manual mode. My problem is, when I'm out on a sunny day I can't judge ...
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1answer
149 views

Do sensors absorb different spectrum of light at different rate, making longer exposures better for blue skies?

I've found one suggestion about taking photo of sky: The sky becomes white in ur photos unlike others who retain blue color?? - Stop down the aperture to f8 or more, decrease ISO to 100 and ...
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4answers
670 views

Why does this happen: objects which are surrounded by brighter objects appear darker?

Objects surrounded by a brighter area appear darker, and if the brightness of the area increases further, then the objects appear even darker? An ex: Sun spots appear black. I observed the following ...
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4answers
126 views

Can exposure parameters be kept high even at high ISO sensitivity, to keep image quality up?

Following is from Film speed Film speed is the measure of a photographic film's sensitivity to light, determined by sensitometry and measured on various numerical scales, the most recent being the ...
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2answers
105 views

How can I shoot in a semi-dark room without very long shutter speeds?

I took a photo in a darkish room. It was in the middle of a cloudy day, but curtains were over the windows, so inside the room it was dark, yet you could see everything. I set aperture priority ...
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1answer
119 views

Can I use auto exposure with studio lights?

I was recently given a pair of older studio lights complete with softboxes and a basic hot-shoe trigger. I have zero experience with studio lights I admit. I intend to use it with my Canon EOS 550D. ...
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2answers
1k views

700D how to blink on over-exposure?

How can I blink pixels that are over-exposured, on my brand new Canon 700D? I just can't find the setting for this.
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1answer
226 views

Light meter calculations on micro four thirds [duplicate]

I am planning to start using a light meter for portrait photography with an Olympus OMD EM5, off camera flash and an old Canon 135mm f2 manual lens. However having read about it, I think that I will ...
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3answers
793 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 ...
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2answers
7k views

What causes outdoor photos to turn out bright white when taken with a digital camera?

I set my Canon Powershot A460 to automatic mode and took photographs outdoors. When I see the to-be-photographed area on the LCD, it appears normal; but when I take a picture, the photo turns out ...
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2answers
94 views

How do I get correct exposure for long shutter times in bulb mode?

How do I take a very long exposure shot from EOS M? I see when i reduce the shutter speed to bulb setting, i see the picture is completely over exposed.
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3answers
970 views

How to shoot/capture the droplets of water being sprayed through a spray bottle

I am trying to capture the droplets of water while being sprayed on a subject through a spray bottle. What I mean here is - when I am spraying the water on my subject, I want to capture the droplets ...
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3answers
505 views

What techniques are there to get focus and/or lock exposure other than center, half-press, and recompose?

The way I shoot is this: turn the camera so that the subject is in the middle of the viewfinder, where my center point is, press the shutter half way, the camera now focuses the lens on the subject ...
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3answers
71 views

When to use exposure delay?

I recently found an option "Exposure delay" to minimize vibration. But is it necessary to use when you have VR on the lens? And does it do anything "extra/meaningful" by using both the VR and Exposure ...
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3answers
94 views

Is it possible to improve the quality of images I grab at 90fps?

I am using "Raspicam" (https://www.raspberrypi.org/documentation/hardware/camera.md) for a robotics project, where I need to get as many images as possible in 1 seconds. Camera works perfectly fine ...
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2answers
159 views

What could cause very underexposed photos in daylight?

I just recently started toying with the manual mode on my Canon 70D. Everything was working fine for a few shots, then all of a sudden my newer shots all appear darker under the same settings. The ...
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4answers
137 views

Why do lightbulbs look too bright in my photos?

Lightbulbs used to appear fine in my photos- you can still see the outline of the bulbs and the brightness of the bulbs is just fine. Now, they appear too bright as if they exploded. What seems to be ...
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2answers
179 views

Does exposure compensation affect shutter speed in aperture value mode?

When I am shooting in AV/aperture value mode, and I switch to +1 EC, will it affect my shutter speed?
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3answers
153 views

Do any phone cameras allow decent exposure of the night sky?

I've heard that phone cameras can't take good pictures of the night sky because the hardware doesn't allow the changing of exposure times. Are there any phones that do allow good exposure for decent ...
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2answers
529 views

Why will low-end Nikons not meter with old lenses?

To quote the source, the following sites claim that the Nikons: D90, D5200, D3200 and so on will not meter with AI lenses. http://www.aiconversions.com/compatibilitytable.htm ...
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2answers
562 views

What is the advantage of rolling shutters, if any? [duplicate]

I have read a lot about global and rolling shutters, and it seems from what I have read that the global shutter is better than the rolling shutters when it comes to moving objects. On the other side ...
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3answers
119 views

How does time of exposure relate to aperture? [duplicate]

I was trying to derive the relation between the aperture and time of exposure. I'm taking two apertures f/2 and f/4. From the formula A α 1/√t I got, f/2 α 1/√t1 -> A and f/4 α ...
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3answers
805 views

How to shoot a shot with the moon and city skyline?

What is the best way to capture the moon with a city background? The moon is so bright that if I do long exposure to capture the city, the moon will be completely blown out into a white star. Is HDR ...
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1answer
983 views

Why would I use FEB (Flash Exposure Bracketing)?

In what situation would using FEB (Flash Exposure Bracketing) be a good idea? Exposure bracketing can be blended together with HDR, but why would I use FEB?
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2answers
878 views

What is the quantitative relation between f/# of the lens (aperture), exposure, and ISO?

Let's say we shoot with a DSLR camera and we have two interchangeable lenses. Lens #1 has aperture f/X, X between 1 and 2 (see below). Lens #2 is f/4.5. Same focal length and other characteristics as ...
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1answer
44 views

How do I develop a 400 ASA B&W film that was exposed at 200 ASA?

I've accidentally exposed two 400 ASA B&W films at 200 ASA. One I developed like a 400 and the negative has come out very under exposed. Any advice on how I can salvage the other one? Thanks
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2answers
76 views

In my Canon t5, how much can I bring up the ISO without getting unacceptable noise? [closed]

Would you feel comfortable at 3200? Or maybe at 1600?
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3answers
329 views

What is exposing for the background?

In every video I watched when they want to shoot the guy who has a blue sky or open background behind him, they say "expose for the background" but I don't understand what do they mean? I am using ...
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1answer
3k views

Can I take multiple exposure shots with my Canon 600D?

Can I take multiple exposure shots with my 600D? If not, how I can achieve the same effect?
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2answers
325 views

how to determine how much power to use in manual mode for external flash? [duplicate]

i recently added an sb700 to my d3200 and am unsure how to determine proper amount of power to use in photos. in another thread here on stack exchange, it was suggested that the ttl metering makes a ...
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2answers
640 views

Will multiple exposures or one long exposure give better outcome for silky water?

I have a Nikon D700 which can take up to 10 multiple exposure in camera. I have a Samyang manual 14 mm lens ( brand new lens) with no filter thread for ND filters. I am visiting Iceland next month ...
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2answers
1k views

Can't see exposure indicator in viewfinder on Nikon D7000

I can't see that - <---|---> + indicator in my viewfinder (I can see it only in manual mode and it used to be everywhere). I went through the whole menu and didn't find anything that may be ...
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5answers
408 views

What exactly does TTL flash sets its power to?

I understand that TTL flash means the flash will preflash and try to calculate the right exposure for that particular scene. That part makes sense, but what exactly is the "right exposure"? Does it ...
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1answer
487 views

Does Canon PowerShot G15 have manual F-number adjustment

As the question says, I have not been able to find out whether Canon PowerShot G15 has a manual F-number adjustment. I went through some reviews and specs but I haven't seen this there. I'm asking ...
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2answers
254 views

What settings do I need for shooting a candid against the sky?

I have Canon 1000D. Most of the times I use canon 50MM F1.8. I use evaluative metering and single point (center) auto focus. What setting do I need to change to have metering of sky (say red of ...
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1answer
82 views

If i use ISO 1600 to photograph stars will image stacking help reduce noise but also add more detail?

I would like to take better photos of the stars, especially the milky way, but my highest ISO setting is 1600. I have now learnt that image stacking can help reduce noise when taken with the same ...
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1answer
91 views

When stacking images to remove noise in astrophotography, should the exposure be the same in each?

I am trying to get to grips with astrophotography and have read about image stacking to help reduce noise. I am a little confused about whether the images to be stacked are all taken at the same ...
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1answer
78 views

Can't duplicate Auto results in M, Tv, and Av Canon 70D

I've been a an amateur photographer for several years. I understand the technical side and enjoy explaining it to others. But...with my 70d, which I've owned for over a year, when I take an indoor ...
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1answer
77 views

Long Exposure at night [duplicate]

Im amateur photographer, just got my first DSLR camera (Nikon D3300), I was wondering how to shoot car trail light at night. Thanks!
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1answer
79 views

Why are details lost when dynamic range is high?

I have read in many blogs and forums that when we have a larger dynamic range, we may lose details. Of course, I have experienced completely white areas in taking photos with bright sky. As far as I ...
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3answers
218 views

How do I go about fixing this old photograph?

I was wondering how you would go about fixing this photograph? How would you describe what was wrong with it, over/under exposed? It's an old scanned image, i have a few in the same condition and i ...
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1answer
245 views

Convert Exposure Time in seconds to a fraction

I'm writing my own software to manage my photo storage. Within the EXIF data the camera stores it's exposure time in seconds. So 1/60 is expressed as 0.0166666666666667. Sites like Flickr are ...
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4answers
200 views

How can I get the exposure correct in this picture?

I am new to photography; I have a Canon 600D. The shot below was taken using the 600D and EF-S 18-55 kit lens. I wanted to get the exposure so that the leaves on the big tree came out right, ...
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2answers
180 views

My D3100 takes longer exposure shots instead of using the flash

Both the camera and the Flash are in AUTO, so in low light it should make the flash pop up, but it does not. Instead it just seems to take a shot with longer exposure, making the photo appear with ...
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1answer
649 views

Is auto-iso affected by exposure compensation in manual (M) mode on nikon d7000?

When we set the camera to M mode the exposure compensation (e.g. +2EV) does not change the aperture and shutter because we are in fully manual mode. If we set auto iso the iso however changes ...
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2answers
367 views

Nikon d3200 plus old Philips flash

A friend is shooting some photos at an indoors night event and he only counts on a Nikon d3200 plus a super old flash Philips P36 TSL. What would be the recommended shooting mode and shutter speed? ...
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4answers
2k views

Overexposed images when using ring flash

I am somewhat of a newbee to photography, but I have a Sigma EM-140 Ring Flash with a 18-250mm Sigma lens. In short, when I use the camera with the ring flash I can't get it to take photos that ...
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1answer
2k 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 ...
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1answer
417 views

Skin tones become yellower/ oranger when flash is on

When I take pictures of people, the yellow and red tones seem to be enhanced and the result is a more jaundiced complexion in best case scenario and orange and a bit shiny if their skin is a bit oily. ...
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2answers
268 views

Why isn't live view on my D3200 matching the exposure I've set manually?

I have a Nikon D3200 and it was working perfectly in manual mode. I used the live view mode and it previously showed the scene in the way that picture was supposed to be taken. I accidentally reset ...