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Questions tagged [brightness]

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2
votes
1answer
73 views

What could be the reason for suddenly changing brightness in raw image?

A series of night shots show this abrupt change of brightness: It starts at approximately 60% horizontal and extends to the right corner. I didn't notice this effect before, the temperature was ...
1
vote
1answer
94 views

How to calculate difference in exposure between two given frames?

This question regards exposure. I have a project I am working on where I need to be able to calculate the exact number of stops between two given exposures, with the end goal being to match the ...
1
vote
6answers
525 views

Canon EOS 4000D with Apeman SL 450C Speed Light - Photographs Dark

I have just bought a new Canon EOS 4000D with an Apeman SL 450C speed light. When I take a photograph with the speed light switched off the photographs are a decent brightness. When I switch the speed ...
2
votes
4answers
294 views

Given aperture and focal length, what is the minimum distance for maximum resolution? [closed]

I'm going to describe a physics experiment involving imaging a proton beam using a CCD camera by reflecting it on a aluminium oxide surface, and we need some help about how close the camera should be ...
1
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2answers
169 views

Indoor office pictures Canon 100D

I took a number of pictures inside my office (without flash and with tripod) and depending on my position in respect to the large windows, picture luminosity varies a lot. Before publishing them, ...
3
votes
2answers
79 views

Exposure preferences

Whenever I shoot with my Nikon D5300 in manual mode I set settings so that photos have bit more pop to them - brighter than what the camera exposure meter says the correct exposure is. For instance, ...
-1
votes
1answer
119 views

Programmatically assessing image quality [closed]

I am using a third party service which processes images and returns some metadata: The data (and ranges) looks like this sharpness 0-1 brightness 0-1 contrast: 0-1 dominant color: hex array of '...
3
votes
6answers
342 views

Why do my stock photos always come out gray?

Trying to take stock photos on a white background and all the photos look gray rather than the crisp white like they are in person, and even with trying different settings they are still coming out ...
34
votes
5answers
7k views

Why do stars appear as circles, not points?

Excluding the Sun, stars are so far away that their angular diameter is effectively zero. However, when you take pictures of them, brighter stars appear as circles, not points. Why? In theory, any ...
1
vote
3answers
157 views

Can a larger format lens provide more light to a crop sensor for a given f-stop?

Having recently spent some time fighting for light with a high-speed camera having a CS mount and a sensor area under .1 inches2, I was wondering if the f rules apply to cropped sensors? For example: ...
1
vote
1answer
477 views

Consistent Backgrounds using Darktable

I regularly take photos on a fixed background under natural light. I use a grey-card for white balance which works well enough. I take a test shot with the card, white balance it and save that as a ...
5
votes
3answers
202 views

Is it normal for shutter speed to vary between shots on low exposure time?

I was doing a timelapse recording of sunrise with my Canon 1100D. I set manual mode of exposure (M on the disk), exposure time to 1/4000 s (smallest), aperture to f/3.5 (maximally open), ISO to 100 (...
1
vote
1answer
490 views

Difference between in-camera exposure control and brightness

I'm a photography newbie, and would like to know what is the basic difference between exposure control and brightness (e.g. under Picture Control on a Nikon), but specifically when changing it in-...
2
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2answers
212 views

Why do out of focus elements in a photograph increase in apparent brightness?

What is the physics that explains the phenomenon observed when out of focus areas increase in apparent brightness?
6
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9answers
2k views

How can I maintain brightness in a landscape without overexposing the sky?

I'm an amateur photographer learning to take good shots. I need some advise for shooting landscapes in bright daylight. Here's a picture that I've taken from my camera: I took this picture from my ...
25
votes
7answers
5k views

Why are these film photos brighter than digital photos taken at the same time with the same settings?

I took two photos - first one with Canon 5D Mark III and the second one with analog Canon EOS 500N. I used the same lens and settings (ISO/shutter/aperture) for both of them. The company that ...
4
votes
1answer
2k views

What is “brightness value” in Lightroom?

Lightroom shows me a "brightness value" for each of my photos: I notice that it's negative for night photography and positive for daytime photos, but I don't know how it's computed. Is it the average ...
0
votes
3answers
189 views

ANDCamera problem: brightness malfunctioning [duplicate]

I am a newbie photographer and had a question that has been plaguing me for some time now. My NIKON D3100 camera's brightness meter (the lines that change on manual mode when one adjusts shutter ...
2
votes
4answers
5k views

Why do some pictures look darker online than on my computer?

I'm shooting raw and I'm on ubuntu. This happens mostly with pictures that have a lot of black or that are very dark. On my screen the picture looks fine (as intended) but when I upload it to 500px or ...
1
vote
4answers
774 views

How to normalize brightness of individual images (post-processing) for a stop motion movie?

When creating a stop motion movie we need take a lot of pictures to build the movie. But after we took the pictures, we have a problem: the brightness and contrast varies between pictures. What kind ...
10
votes
3answers
2k views

Why do my photos “glow”?

I have a Canon 60D and recently bought a Canon zoom lens EF 24-70mm 2,8L USM. Bright colours seem to "glow" or are blurry when I take photos. It does not seem to be blurred because of movement or ...
11
votes
5answers
4k views

How can I fix the overly-bright background in my landscape photo?

I am pretty much a complete newbie to post-processing, since I don't normally post-process my pictures: if I don't like a picture as it is, I consider it a bad picture and discard it. There is, ...
1
vote
2answers
102 views

Can HDR technique be used to take picture of a subject with bright background?

From what I read, when taking picture of a subject with a very bright background, we can set the metering to read the bright background (which will make faster shutter speed) and to avoid having dark ...
0
votes
3answers
518 views

Brighten a subject without Flash [duplicate]

I'm new to photography and often face problems with subject with a bright background. For example: A worker on a 2nd floor building with bright sky as background and picture captured from ground ...
2
votes
2answers
441 views

Canon 600D Images [duplicate]

I've been playing with my new 600D and one thing is really starting to annoy me. When I view an image on the canon's screen, the image is clear and bright. The same is true also if I'm controlling the ...
1
vote
1answer
543 views

Need brighter flash. Shooting with Polaroid 600SE.

I need advice on acquiring a brighter flash, or a flash with brightness that I can control. I have been used to 35mm for years, shooting on 400 - 800ASA with apertures as large as 1.8. This has ...
1
vote
3answers
2k views

How is brightness measured?

I understand that for example light blue is brighter than dark blue. But I don't understand really what brigthness in essence is. Wikipedia states that "brightness is the perception elicited by the ...
6
votes
2answers
727 views

How do I take a photo like this (very bright)?

I've always wondered how these pictures are taken. They have a very "bright" feel to them. And it feels that they are "bathed" in golden sun light. I understand that I have to take this during the ...
0
votes
2answers
147 views

why is a compact sensor brighter than a APS-C size sensor

So I may be missing something but I cannot think what it can be. I have a Sony compact hx9v and an NEX-6. the 16mm on the NEX is very similar to the compact at its widest, so I thought I would ...
3
votes
1answer
318 views

What are the effects of turning negative images to positives?

I was using my DSLR (D5200) to digitize some old negatives. Many articles stackoverflow helped with ideas. SO I have a backlit surface on which I place the negative & then take a closeup shot of ...
5
votes
2answers
125 views

How large an exposure difference before it's noticable?

I'm being forced to work with a shutter that jitters (e.g., a 1/60 shutter could be anywhere between 1/59 and 1/61). I can't change the hardware, so please don't suggest that. I would if I could. ...
2
votes
4answers
1k views

How to take a bulb mode shot of a road in day light? [duplicate]

I need to take the photo of the trailing vehicles on road at day time. I tried a shot in bulb mode at 100 ISO and f/22 of a road in daytime. But that photo is too bight(link below). How can i get the ...
2
votes
5answers
473 views

Does an aperture value exist, where a lens creates a brighter image than the real view?

So (without limitations of the viewfinder for example) looking through the viewfinder creates a brighter image than normal view would be. The lens would then work like a funnel(collects light from ...
6
votes
9answers
18k views

Why are photos on my Nikon D3200 brighter on the LCD screen than on my computer?

When I snap a picture on my camera, in RAW+JPEG FINE mode, the camera shows me a bright photo, but when I watch it on my computer it becomes darker (less bright than on camera). It's not a software ...
-1
votes
1answer
183 views

how to neutralise exposure in Manual mode [duplicate]

Possible Duplicate: How do I know I have the correct exposure when shooting in manual mode? I have a canon 550d, initially the settings were fine in Manual mode, but know I see following issue in ...
3
votes
1answer
271 views

What does it mean to brighten an image?

Courtesy of my optometrist, I now have images of my retinas. However, the images are a bit dark. I have RGB values for each pixel. In this setting, is brightening the image equivalent to increasing ...
2
votes
2answers
2k views

Can I calibrate the D7000 LCD brightness to better match my monitor?

There has been an issue I have been having some time now with my D7000. I shoot images with it, with any lens. When I review it in the camera's LCD, it's just right. However, when I view it in my mac ...
2
votes
1answer
4k views

What are proper settings to capture sun rise time-lapse?

I am a newbie to SLR world. The infinite settings are now a curse than a boon to me. I would like to shoot sun rise in time lapse mode. The problem is, the photographs taken before sun rise are clear, ...
3
votes
3answers
18k views

Over-exposured shots on a sunny day with Auto Settings?

I am actually very worried now and I urgently need your help!! I have had a Nikon D90 for 2 and a half years now and I have been very pleased with my purchase. Due to many many jobs and chores lately ...
16
votes
5answers
7k views

What is the major factor that makes colors in photos very vivid?

Once you have a good enough camera, what are the other major factors that makes some of the photo very vivid? For example, looking at the following picture, the colors are vivid. If I take the same ...
5
votes
1answer
1k views

How do I equalize the background brighness level for multiple photos?

Imagine that there are 50-60 photos from a photosession. Their background color is white, and nearly every photo's background tone and brightness differs from each other. I want to equalize and get ...
3
votes
2answers
773 views

Why does the exposure vary in these Nikon flash photos?

The following 4 photos were all taken with a Nikon D300 at 1/250s, f/5.3, ISO-400, in shutter priority mode, with the on-camera pop-up flash. The only difference between them is the exposure bias, ...
2
votes
3answers
230 views

Why are colors brighter and more red on Sony HX100v?

I have purchased a Sony HX100v. Can any one give me a review about its photography results? Till I am not more explore it. One thing I noticed about it was the color. Colors are brighter than actual ...
3
votes
3answers
602 views

How can I get nice, vivid colors in food photography without blown-out brightness from the flash?

Whenever I click pictures of people and food using flash, the whole picture becomes bright. When I click without flash, the camera takes in the light from the surroundings and gives me a monotonous ...
13
votes
3answers
4k views

How to photograph a snowy landscape?

I am about visit Nepal for 8 weeks, planning to trek the Annapurna circuit, Everest Base Camp and Imja Tse. Most of the landscape is extremely bright and snowy. Credit: Gianni Scopinaro How do I ...
1
vote
0answers
201 views

How to achieve even brightness in landscape photography? [duplicate]

Possible Duplicates: How can I get the right exposure when parts of the scene are in the shade and others are in the sun? How to cope with high contrast? Today I went for a walk with my ...
2
votes
2answers
17k 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 ...
6
votes
3answers
7k views

How does adjusting the brightness on my LCD screen affect the photo?

On my DSLR, there is a setting to adjust the LCD screen's brightness level. If I were to turn this setting up (make the LCD brighter), does this affect the quality of the picture? I would assume that ...
17
votes
4answers
270 views

Should I adjust a print knowing that it will be hung in a fairly dark place?

I am about to have a digital image printed to be mounted and framed and hung in a fairly dark hallway that has very little natural light and only one light bulb. Should I prepare the print in ...
15
votes
4answers
6k views

Fixing the brightness level in a panoramic photo

I've created a panormamic photograph from 4 separate shots using AutoStitch. The panorama came out fine, except that the left side of the image is brighter than the right side: What's the best way to ...