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by Bart Arondson

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Tagged Questions

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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0
votes
1answer
96 views

Glass photograph

I have a photograph of I think my great grandmother over150 years old it is on glass not stuck on. She is sitting down and looks to have a false arm but I think it will be with her sitting in one ...
0
votes
2answers
57 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 ...
2
votes
2answers
126 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 ...
1
vote
3answers
120 views

Do any phone cameras allow decent exposure of the night sky?

I've heard that phone cameras can't take good pictures of the night sky because the hardware doesn't allow the changing of exposure times. Are there any phones that do allow good exposure for decent ...
0
votes
2answers
117 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 ...
4
votes
1answer
5k views

How do I use the manual exposure setting in the new Google Camera app?

In April 2014, Google revamped its Android camera app. In the settings menu under "Advanced", there is just one option: Manual exposure. It defaults to off, but after turning in it on, I can't find ...
3
votes
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 ...
5
votes
2answers
216 views

How to create awesome nature time lapses

Please have a look at these amazing time-lapse videos: https://www.youtube.com/watch?v=uFNWEKHHBFQ https://www.youtube.com/watch?v=mcixldqDIEQ I just don't get how they do it. I am a fairly ...
0
votes
3answers
105 views

Canon Film SLR 28-80 mm lens with sunfilter; what should be my aperture settings and distance

With the Canon Film SLR 28-80 mm lens with sunfilter (I think it has zero impact on focal length) what should be my aperture settings, if I have to take pictures of people in crowd and restaurant to ...
4
votes
2answers
2k views

How to set shutter time on an Android phone?

I am trying to make a LED Pen as shown here. For this I require a camera that allows exposure time of ~20s. I don't own a SLR/DSLR/Digital camera. I have a 5MP camera on my phone. I wanted to ask if ...
-1
votes
2answers
101 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?
0
votes
1answer
61 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 ...
2
votes
3answers
134 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 ...
9
votes
3answers
527 views

Why are exposure settings different while using different lenses under the same lighting conditions?

I was shooting a scene, using a Canon 28mm 1.8, and after a few seconds I switched to a Canon 100mm 2.8, and the in-camera meter was suggesting different exposures! Why does this happen? Is this ...
0
votes
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, ...
4
votes
2answers
138 views

How can I fix this brighter part in the middle of people forehead?

I'm trying to fix this brighter part of a person forehead because of the over exposure. How can I fix this part to match the other color on the forehead in the picture?
2
votes
2answers
152 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
votes
2answers
153 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 ...
9
votes
2answers
208 views

How could some old film cameras without electronics set exposure?

I once had a film compact camera, but I was too young to understand anything else than "click". I'm much more familiar with digital photography, and setting exposure has always been a possibility in ...
3
votes
2answers
338 views

Should I shoot in RAW format to get lighter and sharper images?

Most of the time I have problem with the lightning of my images even after post processing with Adobe Photoshop. I searched the net and I found that people use the RAW format instead of jpg. Do I need ...
4
votes
2answers
381 views

How to fix the exposure of a snow scene which came out gray?

I’ve got a video and a photo shot in the same day and same place. But my camera (GoPro Hero 3, 720p) doesn’t allow to customise settings and video is very poor quality. I tried to fix this using ...
0
votes
2answers
304 views

Why is my Canon 7D light sensor under-sensitive?

It seems the light meter indicator in the viewfinder on my Canon 7D underestimates how bright the picture will be. This makes for overexposed photos whenever I use anything other than full manual ...
-1
votes
0answers
26 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?
0
votes
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 ...
3
votes
1answer
97 views

What settings, especially shutter speed, should I use for stage performances?

In particular, lower light. I will be shooting plays and other stage performances. Low light. Really not good light at all until their lights are upgraded. I know I can't expect miracles, but how ...
2
votes
1answer
152 views

What flash guide number do I need to underexpose a “sunny” background?

I'm familiar with the maths behind flash usage (guide numbers, etc.). Here's a more practical question that doesn't yet seem to have an answer on photo.se: Consider a subject, outdoors, on a regular ...
3
votes
2answers
262 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 ...
0
votes
2answers
105 views

How do i select right exposure? [duplicate]

I have canon EOS 600D and also I have following lenses: 18-55mm 55-250mm 40mm f/2.8 How do I select correct exposure. what is the sequence of priory. currently I first changing the iso, ...
2
votes
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 ...
3
votes
2answers
206 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
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 ...
4
votes
3answers
295 views

When should I use exposure compensation?

When should I use exposure compensation, rather than ISO, shutter speed or aperture?
2
votes
3answers
295 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
299 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
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 ...
1
vote
2answers
195 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
264 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
214 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
95 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
713 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
902 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.
8
votes
2answers
2k 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
252 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
111 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
383 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
730 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 ...
1
vote
2answers
208 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 ...
7
votes
2answers
236 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
742 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
112 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 ...