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by Aditya

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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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3
votes
2answers
192 views

Is this xray fogging on my film? Or something else entirely? (with examples)

Please hear me out before telling me to buy a lead container <_> I've thouroughly read Kodaks page on the matter. But I'm still in doubt here. I travel from time to time and take loads of film ...
3
votes
1answer
1k views

How to set continuous shooting on Canon 60D while using Canon remote RC-6?

I am interested in photographing some star trails and have read many articles that say that I should use continuous shooting mode instead of Bulb mode. I tried this last night with my RC-6 Canon ...
4
votes
3answers
233 views

When should I use exposure compensation?

When should I use exposure compensation, rather than ISO, shutter speed or aperture?
2
votes
3answers
248 views

How do I know how much light will be needed for a given film speed, shutter speed, and aperture?

For a given film type, shutter speed and aperture, how do I calculate the light needed to get a good exposure? For example, if I use a f/8 aperture, an exposure time of 100 ms and a ISO 800-film ...
4
votes
2answers
252 views

Why not expose for a cloudy day as a cloudy day?

We all know how cameras try to meter the scene as if it is 18% gray. That's why we should dial in +1 or even more when shooting on a snowy day and -2 for a night scene. What about a cloudy or ...
2
votes
4answers
150 views

Is this statement By Jim Zuckerman incorrect?

"For the exposure of the foreground, though, the lighting came from the flash only. Therefore, changing the shutter speed didn’t affect the exposure of the subject, since the speed of light is faster ...
1
vote
2answers
162 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 ...
0
votes
3answers
216 views

How to photograph a person that sits inside a car in daylight?

I am new to photography and use a Nikon D5100 and a 55-300mm lens. I have tried different modes, but mostly shoot in Manual mode. I was trying to photograph a person inside a car in daylight but ...
4
votes
4answers
185 views

Good way to overcome backlit subject from distance with no assistance?

I was taking pictures of my kids outdoors and they were often backlit as they ran around. Since I wanted to isolate them from the background, I was shooting from distance (close to 200mm focal length ...
-2
votes
1answer
83 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 ...
3
votes
4answers
542 views

P-Mode on Nikon D5100: What are some use cases?

I am using D5100 for around 6 months. I have basic ins-n-out understandings of the camera including A/M/S-mode. In, most scenario, i understand what to use. Else, figure it by trial-n-error. But, in ...
18
votes
5answers
829 views

Why do two lenses with the same F-number give different amount of light?

Why do the following two lenses provide different amount of light? In both images we have fixed focusing distance, distance to the object, ISO, shutter speed and F-number.
7
votes
2answers
855 views

What's the use of a very fast shutter speed, faster than 1/4000?

I am planning to buy a new DSLR and am comparing two models. One of them has a fastest shutter speed of ¹⁄₄₀₀₀th of a second while other has a limit of ¹⁄₈₀₀₀th. I know that a fast shutter speed will ...
0
votes
1answer
223 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. ...
1
vote
1answer
99 views

Long Exposure Photo vs. Video [duplicate]

If I want to make some cool photos with long exposure times but not having a good camera that allows me to define the time, can I get the same result recording a video and make the superposition of ...
10
votes
5answers
366 views

For night photography with lots of unexposed areas, should I go with high iso and low exposure, or low iso and high exposure?

I have been doing so much research on iso, and for awhile I've been going with the theory that low iso= less noise, so I've been shooting at iso 100 and then adjusting my flashlights and increasing ...
3
votes
2answers
515 views

How to relate LED Lumens to Lux at a given distance?

I'm trying to design an LED light, but I'm not sure how many LED's I need for a given light level. Specifically, the Luxeon LXR7-RW57 1000 lumen white LED (data sheet) Q: How many lux should I see ...
0
votes
2answers
170 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 ...
6
votes
2answers
183 views

How to avoid blown colours in one channel?

I've recently bought a Canon 700D and am still very new to it, although I have a good reasonably good understanding of photography basics (aperture, shutter speed, ISO, DOF, focal length etc.) I ...
0
votes
4answers
584 views

Should I choose shutter speed or aperture first? [duplicate]

I am learning about photography and in process of that reading few books and online resources to get some basics. Currently i am reading "Understanding Exposure" by Bryan Peterson.While going through ...
1
vote
3answers
111 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 ...
2
votes
2answers
83 views

When should I use different methods of increasing exposure?

I am trying to understand something that is really confusing me. If I want to make a captured image brighter I can do this in many ways. I can Leave the shutter open for longer Make the aperture ...
1
vote
2answers
137 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 ...
1
vote
2answers
211 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 ...
3
votes
1answer
112 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 ...
1
vote
2answers
552 views

Multi-exposure on the Nikon D700

I would like to know how to use the multi-exposure on my Nikon D700. I tried a couple of times but the outcome was dismal. The object/ people in the photos were all over the place and not as a one ...
1
vote
1answer
359 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 ...
5
votes
3answers
603 views

How do I correctly expose a 3200 ISO film roll on a camera that allows 1600 ISO?

I just bought a 3200 ISO film roll (ILFORD DELTA 3200), and my camera (Chinon Cm-5) allows to set films up to 1600 ISO. What can I do to expose correctly? I thought of metering at 1600 and when it's ...
0
votes
2answers
415 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 ...
3
votes
1answer
137 views

What is Effective Aperture?

What is Effective Aperture? And how it can affect my exposure? Also how does it relate to magnification? A question that talks about effective aperture but without details
1
vote
1answer
120 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 ...
1
vote
2answers
181 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? ...
3
votes
2answers
223 views

How to get settings of Canon camera in auto mode?

I want to learn photographing in manual mode. As the one of the way I wanna shoot in auto mode and then try to repeat it in manual mode. My question is how to know which settings of ISO, shutter speed ...
2
votes
1answer
188 views

Why do all of these film photos look off color?

My friend is interested in starting up photography and asked to borrow one of my film cameras (my Minolta X-570) as a start. She just developed her first roll, and while a few photos look okay/correct ...
1
vote
1answer
70 views

Is Nikon ADL helping to increase the vividness of reflection in this picture?

This photo is one of the first I took with an N5100. I was surprised by the level of detail in the reflection; it was much less bright in person, at least as far as I recalled. The camera was set to ...
1
vote
3answers
307 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 ...
0
votes
0answers
659 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 ...
2
votes
2answers
347 views

How does 18% exposure algorithm work?

They all say and teach the rule that camera exposes to 18% grey. Then they go and show an example of shooting a white board or black board and they both show as a grey board in the camera. Great, but ...
0
votes
2answers
289 views

Is it possible to take HDR-photos straight out of camera?

HDR is normally described as a post processing technique. I usually can't find time to do post-processing - thus I have turned out to favor SOOC-pictures ;-) My question is: Is it possible to create ...
0
votes
3answers
117 views

Weird color when dark area is brightened up?

Sometimes I have shots that are not well exposed (I shoot in RAW) and it's really dark. I would selectively brighten up the shadow area. Usually it's fine if the area is not too dark. But if it's ...
-1
votes
1answer
44 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
vote
5answers
387 views

Why do RAW files only show you 8 bit of the 14bit recorded?

Following up from a previous related raw file latitude question. Why do RAW files record in 14 bit but only show 8 bit of data? The remaining data is hidden away to the right or left of the histogram. ...
1
vote
2answers
564 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 ...
5
votes
2answers
102 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. ...
5
votes
2answers
305 views

Develop Canon Raw images on Mac OSX via command line into mutliple tiffs for pseudo-HDR

What is the best way to convert on the command line a Canon raw file (CR2) into 2 or 3 differently exposed tiffs for HDR/tonmapping? I would like to use Apple's sips, but couldn't find anything to ...
6
votes
3answers
532 views

Why is my camera so forgiving for overblown exposure?

I've found that my camera (Sony A99) is very forgiving in terms of overexposure when shooting in RAW. By that I mean, I can overexposure by a stop or so and when I get home for the post processing I ...
8
votes
1answer
472 views

How to deal with large exposure shifts during time lapse?

First - I've 30 yrs shooting experience. Not a novice. But, total Newbie to Time-lapse. Just did my first couple of tests yesterday. My wife was shopping - had to occupy myself.... I kept them short ...
1
vote
1answer
524 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 ...
4
votes
2answers
141 views

Does a flash's TTL automatically adjust as I change its location?

I just bought a radio trigger for my flash. I was just wondering if I understood TTL correctly, as I move the flash around and changes the distance does TTL automatically try to compensate (assuming ...
2
votes
4answers
662 views

What is the best order to set exposure parameters (ISO, aperture, shutter)? [duplicate]

Let's say that you're in a very controlled environment, there is no hurry to get the shot, and you're shooting manual. In order to correctly expose the photo, what order should you alter the ISO (if ...