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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
289 views

Is the dynamic range affected by exposure time?

For a given scene, if I take 2 similar shots: short exposure time (maybe using higher aperture, higher ISO...) long exposure time (lower aperture or ISO) The goal is to have the shots with the ...
3
votes
2answers
560 views

Can a new focusing screen affect exposure metering?

After i replaced original focusing screen with a split one, it seems that every picture i take is overexposed now. Can it affect on exposure? Or i damaged something while replacing it? I own Nikon ...
3
votes
2answers
485 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, ...
3
votes
1answer
466 views

Why is my Metz 58 AF-2 using long shutter values when my Canon 60D is in Av mode?

About one year ago I bought a Metz 58 AF-2 for my Canon 60D. Because of a lack of free time to experiment with automatic functions, I have used it only in manual mode with other manual flashes, ...
3
votes
4answers
2k views

D800 Previews Much Brighter in Camera, Very Dark When Rendered

I've been shooting with the D800 for about 6 months now, and I've noticed that the in-camera previews appear much brighter and more properly exposed. But when I load the RAW images into either ...
3
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2answers
279 views

How to calculate stops for a Watt based strobe?

I've a problem figuring out how to calculate stops for Interfit EXD 400. In the product manual it says that the strobe has 5 stop range in 1/10 stop increments, but the numbers displayed on the strobe ...
3
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2answers
211 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
3answers
686 views

Double exposures straight to a memory card?

I'm looking to work out why some photos I have taken with my phone have strange images of a girl in them, when she clearly shouldnt be there. Can a photo taken with a normal camera phone double expose ...
3
votes
1answer
780 views

Creating Proper Exposure with a Pentax PZ10

Not long ago, my Pentax K1000 was damaged and I upgraded to the Pentax PZ10 (both film cameras). I feel lost with trying to get the right exposure on the PZ10; with the K1000 I used a third-party ...
3
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2answers
789 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 ...
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3answers
97 views

Photographing luminous clothing

I was wondering how you take a photograph of luminous clothing. No reflective strips on it or anything. Just can't seem to get the colour real. It comes out washed out looking and not bright like it ...
3
votes
1answer
2k 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 ...
3
votes
1answer
125 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 ...
3
votes
1answer
142 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
3
votes
1answer
527 views

Can a consumer-grade camera take good aurora pictures?

It's generally hard to take clear pictures of auroras because they are fairly dim and move around. To get enough light for a good picture, you need a long exposure. But then your picture will be ...
3
votes
1answer
571 views

How does the sensitivity of camera sensor behaves with the infrared filters?

I am puzzled about the behavior of camera sensor to the infrared spectrum. I have heard that the you must remove the internal infrared filter to capture infrared pictures. So, I removed it and used ...
3
votes
1answer
636 views

Ways in order to achieve dramatic lighting styles?

My question is more specific to the situation I am going to be shooting [with the subject being a person laying down in a hospital bed] The photo will be taken from the ceiling above the bed and ...
3
votes
1answer
1k views

Equalize exposure levels of a set of images in a stitched panorama

I've taken a set of pictures for a panorama. Unfortunately, I've forgotten to set the flash to manual exposure, hence I ended up with uneven exposure levels in the images. When I stitch them ...
3
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1answer
90 views

what is the response curve?

I was reading in a book about the dynamic range and several times I find the expression "responsive curve" or "image's responsive curve"? What does the responsive curve represent? What is the ...
3
votes
1answer
104 views

Why do some polarizers transmit more light then others?

How do filters such as the Singh-Ray LB Polarizer transmit more light then other circular polarizers? I am particularly interested in this technology because they claim to only add 1-1/3 stop to the ...
3
votes
2answers
767 views

What advice would you give for taking photos on a boat cruise at night?

Tomorrow I will be going on a boat cruise in the evening in London. I will no doubt be looking for photo opportunities on the boat, both of people, as well as the landmarks/surroundings. I'm pretty ...
2
votes
4answers
486 views

How does this TLR camera expose properly?

I found a DIY TLR camera kit that lets you build the camera from parts, then use it to take photos. What I don't understand, is that the specs list: 1/150s shutter speed; f/11 aperture From that ...
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votes
5answers
638 views

why would you have a light meter chose your aperture for you?

The title of my question may seem misleading; I dont intend to ask how a proper exposure is calculated. I know the exposure triangle of iso, aperture and shutter speed. But in several articles ...
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4answers
519 views

Consistent image exposure using Canon AV (aperture priority) setting for artwork

Sorry this isn't a clearcut question. I've been setting up to shoot artwork. I'm using the AV setting on my cannon which allows me to set a higher aperture (5.6) and set the ISO (100). The problem ...
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votes
4answers
2k views

How do I prevent the background from going dark when using the flash with a subject?

This is with Flash, short shutter exposure time, and zoomed in This is without Flash but with long shutter exposure time when using the Flash the background tends to get dark and the subject ...
2
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2answers
689 views

Why does EV increase as ISO increases?

From what I understand, the lower the EV value, the more exposed (bright) the image is. EV decreases as aperture decreases. More light gets in with lower apertures. EV decreases as shutter speed ...
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4answers
844 views

What ISO do I shoot Ilford Delta 3200 in?

I need to make pictures in crummy lighting conditions (inside a convention center) without much ability for external light apart from my camera flash. I ordered some Ilford Delta 3200 Black & ...
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4answers
339 views

Why does my camera's meter suggest the same exposure time for lenses with different apertures?

On the same camera body (Canon 1Ds MkII) at the same ISO setting (400) and with no filters attached, two different lenses give the same exposure time (0.4s) at very different apertures. The lenses and ...
2
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4answers
151 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 ...
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2answers
417 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 ...
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4answers
719 views

What is “Dragging the Shutter”?

Ive heard this term of "dragging the shutter" and was wondering what it means and why would i use it Can anyone answer this?
2
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2answers
244 views

how do I long expose in harsh light for a lake view?

I have this problem of long exposure in harsh light. This in a lake side where I wanted to get that silky movement of water with a stone in foreground. However, since the daylight was harsh my images ...
2
votes
3answers
228 views

If TTL only preflashes once, how does it get correct exposure immediately after?

If I understood TTL correctly, say you are in M mode with a camera and you have intentionally underexposed. The flash in TTL mode theoretically would try to add enough light to correctly expose the ...
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2answers
1k views

How to do a long exposure with a Nikon D60

I've searched google high and low for this and all I get are results trying to sell me camera equipment. I have a Nikon D60 without the ML-L3 remote control, well I have one but the battery has run ...
2
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2answers
179 views

What zone does lith film cutoff occur in?

With lith film, exposure accuracy is said to be of great concern - basically, it's a matter of black and white. But when metering, what zone does the cutoff between black and white happen in - is it ...
2
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3answers
136 views

Does a good light meter eliminate the need for exposure compensation?

I am new to photography but have a fairly good understanding of exposure. I know the camera's light meters are easily fooled and hence the need for exposure compensation where a photographer have ...
2
votes
3answers
312 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 ...
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4answers
856 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 ...
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votes
3answers
1k views

What metering mode should one use with autoexposure (AE) lock on the Nikon D700?

I will be visiting Morocco in week's time. I usually use matrix metering when taking photographs. However I have read that using the autoexposure (AE) Lock on the Nikon D700 one should use center- ...
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2answers
374 views

Can the camera select wrong exposure just because of color?

I took two pictures of two different flowers with portrait setting. One came perfectly exposed with dark background, the other seems over exposed with brighter background. I tried it again and the ...
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2answers
84 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 ...
2
votes
2answers
141 views

Does it make sense to “Expose to the Right” except at base ISO?

I have read in a number of places that exposing to the right (ETTR) only makes sense at your camera's base ISO, with the justification being that if you are boosting the gain in camera (by raising the ...
2
votes
2answers
974 views

Stopping down in manual mode with automatic ISO?

I am using a Canon 5D MKIII. I take a lot of low-light fotos and want to achieve low DOF while keeping the photos sharp with fast-moving subjects (musicians), using a 5mm 1.4 lens. So far, I always ...
2
votes
1answer
1k views

What is the shutter speed, aperture, and focal length of the Kodak Funsaver disposable camera?

I'm looking at the Kodak FUNSAVER disposable camera. Does anyone know what the shutter speed, aperture, and focal length of this camera are? Are they fixed, or do they adjust automatically?
2
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2answers
858 views

How to picture thunder when storm is coming [duplicate]

Possible Duplicate: What technique and camera settings should I use to capture lightning strikes? My home town is very lack of thunders, but when time comes, I should be prepared to shoot. ...
2
votes
2answers
1k views

How Avoid Vignetting using a variable ND filter

My camera is Nikon D700 Lens 28-300mm Lens 24-70mm I have a Variable ND filter 77mm size How do I avoid vignetting around the edges of the filter? thank you.
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2answers
866 views

Modify exposure of a specific part of an image using rawtherapee or gimp (ufraw)

Is there a way to modify the exposure on a specific part of an image using rawtherapee, Gimp's ufraw, or any other free/open source tool?
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2answers
137 views

Relevance of absolute light power in studio object photography?

While setting up a photo studio for product photography, I often read advice that suggests that one needs extremely strong light sources (1–10 kw total) if shooting without flashlights. I fully ...
2
votes
2answers
165 views

Why is my camera metering indoor scenes as darker than I expect it would?

I am shooting in natural light, with my subject facing a full floor-to-ceiling south facing window. You would think my meter would allow ISO between 200-400 in bright light, but I was lucky to get it ...
2
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2answers
157 views

Photographing suits and other dark woolens?

I shoot photos for a personal men's fashion blog. Which means frequently photographing dark navy and grey suits with white shirts. I'm having trouble exposing the photo so that the details of the ...