Nidelva river through Trondheim Norway

Nidelva river through Trondheim Norway
by Saaru Lindestokke                

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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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3answers
97 views

Why does my camera give a very different reading from my lightmeter?

I'm new to digital photography. I start shooting in aperture priority mode, unless some situation require some shutter speed attention. Both ISO and SS is calculated by camera. I am looking at some ...
0
votes
2answers
101 views

I must teach someone how a dSLR works at work. Where can I find an animation for this? [closed]

I must teach someone how a dSLR works at work. So YouTube, Vimeo and, generally, videos are banned. My 'apprentice' is smart, however I feel that he needs an animation with a 'transparent' (CGI) dSLR ...
0
votes
1answer
350 views

How to make Liveview mode in Canon 450D stop simulating exposure?

On the Canon EOS 450D (Rebel XSi) camera, Liveview mode always shows the true exposure of the image. If exposure is set too dark (fast shutter and closed aperture), Liveview shows a darker image. If ...
0
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2answers
491 views

Is it possible to take a five minute exposure with a Canon Powershot SX 160 IS?

I have a Canon Power Shot SX 160 IS. Is it possible to take a five minute exposure with this type of camera?
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votes
1answer
79 views

Add Exposure Time multiple times from the same image [duplicate]

According to this question, it's possible to add the add the exposure time of multiple images. so i can take 20 pictures with a exposure time 1 second and get the same result as a image with 20 ...
0
votes
2answers
435 views

How does a camera in an automatic mode choose what exposure, aperture and ISO to use? [duplicate]

For example: Does the camera detect if the scene contains fast-moving objects and if so use a shorter shutter speed? Does it detect if the entire scene is beyond the hyperfocal distance, and there's ...
0
votes
2answers
232 views

High-speed camera for Photographing Fast objects such as balls? Important features?

I am interested to shoot fast balls such as golf balls and tennis balls to see their features such as speed, spinning and start angle. I am an amateur and only familiar with photographing though my ...
0
votes
1answer
403 views

How can we calculate differences in exposure times with ND filters?

This should be rather easy for these of you who own and use 0.45 ND or 0.75 ND filters so here we go. Just for fun I'm writing Android app that calculates exposure time when certain filter is applied. ...
0
votes
2answers
2k views

Nikon Live-View shutter speed preview - a non-feature in the future? [closed]

I have a D3200. It offers a great feature: simulated preview of the three shutter parameters in Live-View (shutter speed, ISO, aperture). That means, when I change any of these parameters, Live-View ...
0
votes
1answer
125 views

Guide number and exposure [duplicate]

I am having a bit of a difficulty calculating this. Guide#= 32 feet at ISO 100 X sync speed= 1/250 Min ISO= 100 Max ISO= 800 What exposure values to expose to capture subject that's far away? What ...
0
votes
3answers
5k views

Why is exposure meter reading not changing in Manual mode?

I own a Nikon D90. I am new to exposure setting. In Manual mode, I could see the exposure meter changing towards right of zero and towards left of zero informing about under exposure and over ...
0
votes
1answer
61 views

How can I maximizing dynamic range without postprocessing?

How can I maximize the amount of detail captured in both dark and light objects in the same photo? I don't have the option of post-processing, so "traditional" HDR is not possible. If I reduce ...
0
votes
1answer
115 views

Does Av mode apply any in-camera software push-pull (Canon 6D)?

I test-shot frames in Manual VS Av mode with identical aperture/shutter speed/ISO, settings and lighting, and I noticed that some frames in Av are sometimes over or underexposed compared to those in ...
0
votes
3answers
158 views

How to create an image with star trails in the background and clear, bright foreground objects?

Take a look at the following image by Franky Chou: I'm trying to understand how it was even possible. I mean, it's clear how you do a stars' trail shot, but with a long exposure, I feel like the ...
0
votes
1answer
91 views

Even exposure for portrait photos [duplicate]

I'm using a Canon Powershot sx510hs which is an advanced point and shoot camera with 30x optical zoom. It has only one focus point at the center. Whenever I am trying to take portraits, having sky as ...
0
votes
1answer
85 views

Graininess and lack of detail [duplicate]

Hello fellow lens loving junkies! I have been struggling to get very sharp, non-grainy images. I have a Canon Rebel Eos T3i. Even images at 100 ISO are not as sharp as I would like. Not sure if it is ...
0
votes
1answer
95 views

How can I calculate settings for manual flash to reduce trial and error? [duplicate]

I have two Yongnuo 560-III flashes that I have been using for a while, In order to get good results I am having to do a lot of trial and error. Adjusting power, zoom, moving them around etc. Is there ...
0
votes
2answers
71 views

Lightroom/ACR Histogram Shape

If I open a raw file in ACR or Lightroom and move the exposure slider, why does the shape of the histogram change? If all I'm doing is changing the exposure, I would expect the shape itself to remain ...
0
votes
2answers
394 views

How to calculate camera settings for a family group portrait with a film camera and flash?

I'm shooting film 200 ASA.,, Three rows of family members in front of a large white lit xmas tree, with flash. Distance from first row approx.15ft. Where should the focus on the group be? What would ...
0
votes
1answer
329 views

Nikon Lens - Stopping down causes over exposure in Aperture Priority mode

I just got a used Nikon 300mm f/4 AF (the older, non-AF-S version), and unmounted, when set to f/4, the aperture blades are still slightly visible (you can push the aperture lever on the lens a bit to ...
0
votes
1answer
93 views

What's the best workflow for shooting stationary objects in a makeshift studio?

I have bought the following kit to shoot my portfolio which consists of mostly books and posters: Super White Background + 2 strobes 100 watts each with softboxes ...
0
votes
3answers
657 views

Dynamic range of Sony RX-100

attached you will find two photos I have taken, exposure manually. I have taken these with a Sony RX-100 and as you can see the sky is overexposed while the landscape is exposed "alright". I was ...
0
votes
1answer
120 views

How to take high key portraits [closed]

What is the best method for achieving high-key portraits. I see them all the time of e.g. baby close-ups etc. but don't have a great deal of knowledge of how to create them. They are almost always ...
0
votes
1answer
179 views

Why has my camera stopped taking pictures in low light?

I have had a Canon T1i for about 4 years now and I've noticed that it won't take pictures in low light even when I'm in manual mode. I've taken some pictures using time exposure in "bulb" and even ...
0
votes
2answers
228 views

What can I do to improve exposure on my Canon 30D? [duplicate]

All my pictures taken indoors show very low-light. I guess it should be giving more brightness when I chose f/5.6 aperture, 1/25 sec, ISO 200. And I doubt I might be doing something wrong or if its ...
0
votes
0answers
21 views

Efficiency of DSLR's CMOS at constant ISO [duplicate]

Does the efficiency of CMOS change if one keeps the ISO constant but changes the exposure time?
0
votes
0answers
89 views

Normalize the brightness of images with different exposure times using EXIF data

I shot a bunch of images in a hurry today, having forgotten to switch the camera to M mode. So my photos ended up having different exposure times, and now I must normalize them to make them look as if ...
0
votes
0answers
27 views

Taking photo with big contrasts and over-exposing? [duplicate]

I took this photo: The problem is that the center of the image is overexposed. Now, I was using f/5.6 as it works nice, focus is at the bench area, ISO is 200 because it was very bright, but cloudy ...
0
votes
1answer
73 views

How to shoot the sequence of adjusted exposures wanted for a ColorChecker?

I'm trying to shoot a sequence of photos needed for calibration. As instructed, I'm in manual mode, with fixed ISO 100 (camera dafault), and other values read from the lightmeter ... and now: Can you ...
0
votes
3answers
203 views

Grey cards and there understandings [duplicate]

Few months ago i Ordered for a Grey Card,they came in 3 numbers one card is Fully dark grey,second one is Light Grey,one is Like dull white,i read about Grey Cards and there uses for white Balance, to ...
0
votes
3answers
184 views

Exposure shooting youth sports during a sunny day [closed]

I would like to know how to prevent my photos from being dark during sunny day during a youth game. I am ising a nikon d90 shooting raw...and suggested settings would be appreciated.
0
votes
1answer
94 views

about luminance and illuminance: what is the difference? [duplicate]

First of all, let me say that english is not my first language, so please excuse any mistakes that you could meet from here on out. I read several articles and explanations about luminance and ...
0
votes
1answer
73 views

Photography in sunlight [duplicate]

I have read in most of the sites sayin take pics in sunlight which will enhance the look, my quest is , on evening time in outdoor while posing for a picture i shrinked my eyes due to direct sunlight, ...
0
votes
0answers
50 views

What are good settings to use for exposure bracketing? [duplicate]

I take exposure-bracketed photos on the Sony NEX-5R and exposure fuse them in Photomatix. I've found that I've had to use exposure bracketing for low-light photos, to capture the shadows without ...
0
votes
0answers
1k views

Recommendations for use of exposure modes with Nikon D7100 DSLR

I'm looking for advice on handling tricky exposure situations, such as backlit portraits, in terms of picking between: 1. Manual exposure 2. Shutter/Aperture/Auto exposure, and using the AE/AF lock ...
0
votes
0answers
62 views

Why does my flash have lower power in automatic than in manual? [duplicate]

I have a Sony HVL-43AM flash. I've found that when I'm in automatic mode, when I dial the flash exposure compensation to -2EV I was able to get a much weaker flash than if I went manual with the flash ...
0
votes
1answer
92 views

How is the exposure of this histogram? [duplicate]

Is exposure correct for this luminance histogram? What does this say about the dynamic range of the scene? The link is here below. It's the graph with dots. http://tinypic.com/r/b85mkj/6
0
votes
0answers
60 views

Different sources of noise and ways to avoid/correct those [duplicate]

Possible Duplicate: What types of noise can be present in digital photographs? I've few questions related to noise found in digital images. There are topics on this forum on underexposure ...
0
votes
4answers
96 views

Dark image under shade and sunlight

I am beginner and trying to learn photography. I am having a hard time clicking pictures outside. Some time they come out really well when I am in full sun and light is falling on my subject but in ...
-1
votes
2answers
889 views

Why are my images always underexposed in Tv/M mode?

With the 18-55 mm kit lens on my Canon 1100D in Tv or M mode, when the shutter speed is more than 1/200th it always always produces dark images. The max f-stop this lens can go to is f/3.5. SMALL ...
-1
votes
3answers
98 views

What are the parameters for evaluating photos [duplicate]

I understand that different people enjoy same photo at different levels. However in general what are the most important parameters that we use to evaluate a photo’s quality? Some of them that I can ...
-1
votes
1answer
148 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 ...
-1
votes
2answers
115 views

Exposure with AI SERVO

I am interested in how works AI SERVO in terms of metering. As it tracks objects, when is the exposure set and how can I set it manually? Is it set automatically when the shutter button is pressed?
-1
votes
1answer
47 views

Illumination question [duplicate]

I meter a surface at ASA 100 and get F4 at 1/15 second. What is the illumination coming off that surface in Cd/square foot ?
-1
votes
0answers
32 views

What is Exposure value [duplicate]

can you guys help me with understanding the basics about what is Exposure value and how to use that for better photography?
-1
votes
4answers
1k views

Why is my D3300 taking dull, over exposed pics?

Hi everyone, I am a doctor who has been recently introduced to the wonderful art of photography. My first camera was a Sony Nex 5r with 16-50 kit lens and I had a gala time with it. I ...
-2
votes
1answer
2k views

How does aperture affect exposure? [duplicate]

I've heard that aperture can change the exposure, but I would like to know if this is true, and how it does it. P.S. I hope this question isn't dumb like my last two.
-2
votes
1answer
183 views

What TECHNICAL aspects of STUDIO photography do I need to know as a professional? [closed]

Even if it's basic I want to know! So for example, what technical things do I need to know about the camera, what technical things do I need to know about lighting and exposure? Anything you think I ...
-2
votes
3answers
88 views

Nikon D3S - Controlling CMOS image acquisition time [closed]

Is there a way to achieve the following sequence? open the shutter, wait until it is fully settled in open position, clear the CMOS sensor (remove accumulated charge), start collecting photons, ...
-2
votes
3answers
92 views

Is there a safe way to avoid both blur and underexposure when shooting “street”? [closed]

When we are shooting in the street, what are the preferable camera settings? Of course it depends on light, but is there any safe way to get right image avoiding blur, dark images, etc.?