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by Rodrigo

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The word photography means "drawing with light". Controlling or selecting the light a camera records is essential to all aspects of photographic composition.

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8
votes
2answers
1k views

Why are sensors less sensitive to blue light?

This is a followup question to Why is the blue channel the noisiest?. The simple answer to that question is that sensors are less sensitive to blue, and therefore require more amplification, which ...
15
votes
2answers
7k views

What is the difference between luminance and illuminance?

The more I read about this, the more confused I become. Illuminance, as I understand it, measured in lux, is the perceived brightness of light on a surface. It's what you'd measure with an incident ...
13
votes
4answers
1k views

How to achieve pictures filled with light like these?

I would like to know how to achieve the effect of highly exposed pictures filled with light like the ones presented below: unknown source From http://dziecisawazne.pl/iza-faber/ Is this ...
15
votes
2answers
406 views

What makes some natural landscapes saturated?

I know how to saturate in post-processing. But there are times of the day and the year when natural outdoor light is extremely saturated. Towards sunset in spring in southern England, for example. ...
7
votes
1answer
313 views

What should I consider when designing my physical environment for photo editing?

I am in the process of building a controlled environment in which to edit photos. Other questions have addressed the gamut, the monitor and color calibration, but for the most accurate display of ...
40
votes
6answers
14k views

Why do light sources appear as stars sometimes?

See for example this photo: From my experience, the longer the exposure the stronger can this effect be observed. Is this correct? Are there any other factors that influence the creation of these ...
8
votes
1answer
441 views

How do I compare these two lighting systems?

I'm looking into getting a light system. I have been reviewing the light packages on the Elinchrom website, and mostly looking at the D-Lite 4 vs the Quadra Ranger. Besides the price, I would like ...
8
votes
10answers
9k views

How do you avoid a dim portrait with a bright background and no external flash?

I took a picture once in a beautiful location with an awesome background, and a cool location to get the shot. The problem is, the location of the subject had substantially less light then the ...
10
votes
2answers
489 views

How can I intentionally include lens flare in my photographs?

I usually try to avoid lens flare, usually by avoiding shooting directly into bright lights (or using other techniques to minimize it). However, sometimes I find a situation where lens flare actually ...
19
votes
6answers
2k views

How can one deal with midday light in street photography?

Firstly, of course, photography is all about light, but for doco/street style photography (which is what I like), it's really about being in the right place at the right time. However, I've been ...
7
votes
3answers
456 views

How do I adjust colour casts between photos taken at different times?

I have several photos of similar subjects on the same background. As they were taken outside at different times, the lighting conditions are different, and so the colours in the photos aren't ...
10
votes
3answers
835 views

Does the zoom head position of a flash matter when shooting through an umbrella?

It seems like a hotshoe flash's zoom head position might factor in to the lighting pattern when shooting through an umbrella. In the wide beam position, I expect more even light that one is ...
12
votes
3answers
2k views

How can correctly measure light using a built-in camera meter?

Many times I shot photos, but the photo is some times too bright or too dark and the colors are incorrect. Some times the white on the photo is not the white that I have on background but gray and I ...