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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
213 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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1answer
52 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 ...
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2answers
186 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 ...
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2answers
148 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 ...
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1answer
303 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. ...
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2answers
941 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 ...
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1answer
100 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 ...
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2answers
54 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 ...
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2answers
153 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 ...
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1answer
168 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 ...
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1answer
65 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 ...
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3answers
248 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 ...
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1answer
91 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 ...
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1answer
96 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 ...
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2answers
73 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 ...
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2answers
4k 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 ...
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0answers
31 views

How to understand a quote for the correct exposure when shooting ColorChecker?

The problem concerns the examination of the correct exposure photographing a colorchecker... Manual mode, fixed ISO 100 (camera dafault), other values read from the lightmeter ... and now: Can you ...
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3answers
144 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 ...
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3answers
139 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.
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1answer
67 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 ...
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1answer
69 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, ...
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0answers
48 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 ...
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0answers
939 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 ...
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0answers
60 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 ...
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votes
1answer
86 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
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0answers
58 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 ...
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3answers
77 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
135 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 ...
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votes
2answers
106 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?
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1answer
45 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 ?
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0answers
27 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?
-2
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1answer
1k 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.
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1answer
109 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 ...
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1answer
135 views

What are the pros and cons of setting my camera to lock exposure on half press? [duplicate]

The Sony NEX-5R has an "AEL w/ shutter" option that Sets whether or not to fix the exposure when you press the shutter button halfway down (On/Off) (from the manual) What are the pros and ...