Questions tagged [exposure]

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 exposure.

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Why does my developed 35mm film have stripes of light on the photos?

I'm a relatively new user of film, getting back into it after a few years. I've had the first B&W 35mm film developed and there are vertical stripes of light on lots of the photos - often in the ...
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How to keep background color consistent when shooting different colored objects? [duplicate]

I am attempting to take quality product photos for my eBay business, and can't seem to get my background color and exposure to stay consistent across all different colors of items. At first I was ...
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FZ300 Can I change the viewfinder and screen exposure?

I have a Panasonic DMC-FZ300, I set the camera in bracketing mode, then I reduced the exposure in such a way that the third picture is the one with the correct exposure. Trouble is that the viewfinder ...
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How bright should a 18% gray card be in my image when exposed correctly?

Let's say I have a 18% gray card in my scene and I want to set the exposure manually. When I take a picture of the gray card what should the RGB values be when exposed correctly? What is important is ...
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Darktable: How do I adjust the exposure on one half of an image?

I have some film scans from a half-frame camera, so each scan contains two pictures (side-by-side). Some of the scans are consistently overexposed, but by different amounts. For example: I'd like to ...
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Why are my photos coming out white?

My Canon EOS 500D camera shows white photos after capturing photos. I'm not referring to the balance of the photos. The photos that I try to capture comes out white. What is the cause?
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Film exposure accident.. Help!

Yesterday I was shooting in the sea and dropped my light meter in the ocean which unfortunately immediately broke! This led me to shoot two rolls of Portra 400 using my Pentax 67 TTL on board meter. ...
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Why has my processed film come out in cold colours/blue?

I've been using my Olympus OM20 for about 2 years now, and today I got 3 processed rolls (Ultramax 400) back, and the photos have come out in very cold colours, almost blue. So far, all photos in 2 ...
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Why are War Photographers able to take pictures that seemingly violate the exposure rule?

A lot of historical war photographs I've seen are capable of recording the subject in sharp detail despite the subject being in blazingly fast motion, at the same time having little to no depth of ...
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Retouch photo with brightness or exposure?

Two controls in software editors are Brightness and Exposure. Both seem to do the same thing: increase the lighting in the image if they're too dark. Why would a outdoor photographer use either or ...
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How to tell if an edited photo has too much exposure?

Small sensor cameras produce photos that are dark. To fix this many increase exposure in their software editor. However, this fix can be quickly abused to the point of over-exposure, especially if the ...
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How to fix underexposed flash-lit portrait in darktable (and perhaps also in gimp), leaving background dark?

Shot a portrait with flash + umbrella (indoors at night, some artifial ambient light) - but it's underexposed. In my first go at darktable I managed to properly expose the whole photo within 2 seconds ...
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Can you change displayed exposure when bracketing with D7500

I am using bracketing on both a D850 and D7500, and the issue I want to "fix" is the same for both cameras (and probably across all Nikon (D)SLRs) When setting up a set of bracketing, you ...
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Can the Canon R6 self-timer influence exposure level in these two images?

Below are two night sky images taken with what appear to me to be identical camera settings: f/4.0, 8s shutter speed, ISO 800, focal length 93mm. The only difference I can spot in the EXIF information ...
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Photo of sprites in a clear dark sky, is this possible?

On Earth Science StackExchange (ES-SE) we recently discussed this question: Photo of sprites in a clear dark sky, how is this possible? A photograph of Red Sprites was captured by David Finlay (see ...
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How to fix exposure in a batch of images?

I took a timelapse last night, using flash. It's around 300 frames and it was taken in manual, 1/60th, ISO400, f/2.8. But all the images have slight exposure differences due to my strobes. I ...
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What is the relation between aperture number and exposure, keeping all other parameters fixed?

My language is German, so forgive my lack in English words, especially with regard to photography. I tried to understand at a very basic level the relation between aperture number and exposure and ...
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Does Manual iso = low noise?

I was taking some test shots today indoors (decent amount of light) set the iso manually to 800 looked through the viewfinder and I was at 1/20 (I was using Av mode) bumped the iso to like 1000 and my ...
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AE-Lock and Re-compose

I'm confused on how AE-lock works. I was advised and also tried this. Walk into a room point at what I want to capture, lock the exposure with AE-lock. Re-compose and take the shot. In theory the shot ...
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What determines exposure? [duplicate]

I’m trying to figure out what determines exposure is it Aperture and shutter speed? Or a different combo. The reason I’m asking this is because iso just brightens the photo or magnifies the exposure ...
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Using Auto ISO when shooting

I was told it’s not good to use auto ISO. I responded that I will try to set my ISO manually in P,A,S,M Mode’s but I think I got issues. I keep seeing it in auto ISO, it’s getting me the shot even ...
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Sharp photos with kit lens [duplicate]

Hello I have a 80D with a kit lens 18-135 IS f/3.5-5.6 I take photos of my kids indoors and it seems that I’m almost always shooting at iso 32000 and up and it seems like everything is grainy (noise) ...
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How to meter for no lens on camera?

Assume for a moment that I wanted to take photographs with my SRL with no lens attached. Suppose that I wanted to get extremely blurry, mostly solid color photographs. How would I set the camera's ...
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Is deep depth of field AND bright exposure possible?

I know that a larger aperture corresponds to a brighter exposure and shallower depth of field for a given focal length. Is it optically possible for a custom-built camera to form an image with both a ...
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11 answers
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In situations where you aren't compelled to pick high ISO (low light/needing a high shutter speed), is there ever a reason to NOT prefer low ISO?

Given the same amount of exposure, sometimes you may prefer smaller or bigger aperture because you may want high or low depth of field. Similarly, sometimes you may prefer slow or fast shutter speed, ...
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Why can I recover more highlight detail from a predecessor model?

I took the same image with a Nikon D800 and a D850. The D850 is the successor of the successor (the D810) of the D800. Here are both images in Lightroom (they have different white balances): As you ...
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Why did some of my indoor event shots come out under- and overexposed?

just wondering if I can get a bit of help, please. I'm probably doing something really stupid and haven't realized. I usually shoot newborn/baby photos in a studio with flash, I have all my settings ...
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Pics of my greeting cards in a photo booth, but they are always light on top and dark on the bottom

I take pics of my greeting cards in a nice photo booth, but they are always light on top and dark on the bottom. Using my cell phone camera and a light gray background.
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How do phone cameras capture better overall exposures than my camera?

I've noticed that when shooting some environmental/city/sea/etc. scenes phone cameras expose both the background sky as well as the subject (person/building/street) pretty well. On the other hand if I ...
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Some photos are darker than other consecutive photos

I have a 6 years old Nikon D750 and Sigma 105mm 2.8 lens. Recently when I take several photos of an object with exactly the same settings the first photo (and sometimes one or two more) is darker that ...
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Why are my recent film photo’s coming back grainy/blurry?

On my last three rolls of film I’ve had developed the pictures have been excessively grainy. This is apparent on looking, but once zoomed in (even a tiny bit) all definition/detail is lost and the ...
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4 votes
2 answers
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Hardware / post for crisp sunrise

I have been trying to take photos of the sunrise. In my arsenal I have ND8-ND100 filters and each time I tried a different iteration. My thinking was that with an ND filter I would be able to get well ...
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2 votes
1 answer
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Is my image exposure off due to shutter problems?

I've recently noticed an issue with my dslr regarding exposures. Most of my time is spent using shutter speeds under 1/100s for landscape photography but the other day I was trying to under expose a ...
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4 votes
2 answers
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RAW Photo of the Moon - How to take pictures of objects in front of a (bright) moon?

I have an object in front of the moon and I wanted to take a RAW (NRW) photo including the moon and the object in front, thinking that I can fix the illumination/overexposure later in Lightroom. But I ...
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Automatically Match Exposure for non-RAW files

Hello i'd like to automatically match exposure of PNG, where there's no extra data except for the pixels, how can I automatically match their exposure? Thanks
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Metering red lights in film photography

I’m a film user and I measured this using a sekonic L508 meter. The light is led continuous light reflected to the ceiling. Why is the face detail blown when I used the light meter? Does red light ...
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Errant lights in long exposure at night

I've been trying to get some images of the milky way. I was is central Sardegna near some neolithic ruins as a backdrop. A few images had this odd squiggles of light. Not every frame has it. It's ...
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3 votes
2 answers
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Scene exposure where there's black-blacks, white-whites and a mid grey subject?

The scene contains high key highlights (a X/10 on Ansell's System PLUS Black (0 on Ansell's). Your subject - a mountain - is a mid range (5 - Ansell again). To get the best exposure in the photograph ...
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1 vote
1 answer
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D7500 exposure changes when in "M" mode and zooming video

Using a 16-85 3.5-5.6 lens. Taking a head and shoulders video at 1/60 and f5.6 in mode "M". This is the exposure I want to lock in. When I zoom out and include some darker areas in the ...
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4 votes
4 answers
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Light source giving wrong color

I have been trying most of the settings in my Nikon D3500 to take indoor pictures of my home in dusk situation, or at least what you think is dusk situation, it is hard to explain. I have a very ...
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How to Read RawDigger Histogram with EV

I newly have just started to use RawDigger for inspecting raw image quality. However, still I am not too familiar with all its properties/concepts, and I am specifically confused with how to read ...
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3 answers
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For the same FOV and f-stop, will total luminous flux increase linearly with sensor area?

Suppose I have two different cameras, one with a sensor whose area is twice the other's. Further assume the sensors have the same aspect ratio. Suppose I put 35 mm-equivalent lenses on both, thus ...
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Why is S-Log2 exposed for correctly at 32% for middle gray

I though that when metering, cameras set the exposure so the average brightness in the scene is 18% gray or RGB(127,127,127). Then I read this article and am confused on this chart http://www.xdcam-...
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4 votes
2 answers
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How to set optimal exposure times before creating HDR image?

I am going to take five photos and combine those into an HDR-image. How do I calculate/chose the optimal exposure times to create the best HDR-image? And how to chose number of images to use? I have ...
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2 votes
1 answer
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Why did my 35mm scans come out with this white grain?

So I recently found my Grandfather's old Pentax ME, I just finished my first roll and noticed that the scans came out very white/grainy. I am wondering if this could be an exposure issue, it was new ...
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Dark images problem (low exposure) with canon 650d

I have a canon 650d, recently the camera is taking dark photos (low exposure) I always use good settings/standard, but somehow it started giving dark images in the picture below I was under a strong ...
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Increase shadows and contrast but keep developing time standard with TMAX 400 Film

I would like to increase contrast make it stronger / darker with TAX 400 Film but keep developing time standard. Do I have to push this film or underexpose it? If underexpose then by how much? I would ...
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Which settings are needed in this situation in order to have equivalent exposure?

Two Wedding Videographers will cover a wedding ceremony. Both use a Canon Eos 80D DSLR camera with different lenses. The first videographer used a Canon EF 50mm F / 1.8 lens with aperture settings (...
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Why are Canon 700D photos under exposed when compared with the preview?

I'm using a Canon EOS 700D with a 50mm 1.8 prime lens. I normally preview the photo through the LCD screen before I click the photo. I recently noticed that my photos are under exposed when compared ...
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Holga 120 WPC exposure times

I'm struggling to reconcile the recommended exposure times of a Holga 120 Wide Pinhole Camera as suggested by Holga, vs the values I am getting via an app like Pinhole Assist (or even when computing ...
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