Articles by Keith Trigwell Archives - PictureCorrect4 articles

Understanding Reciprocity in Photography

Understanding Reciprocity in Photography

Reciprocity is the law of the relationship between shutter and aperture. It stipulates that one stop increase in aperture is equivalent to the shutter duration doubling. Both increase light by one stop. Thus, once you have the correct level of light for a perfect exposure, you can choose to increase aperture by one stop and […]

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DSLR Camera Lenses and Their Abbreviations

DSLR Camera Lenses and Their Abbreviations

For those of you who want to learn what all these DSLR abbreviations are about, I’ve compiled a list of the terms used, what they stand for and of course what they’ll actually do for you. General Abbreviations Before we get into the nitty-gritty of why they are all different, let’s look at the commonalities. […]

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RAW Files Explained in Photography

RAW Files Explained in Photography

Enter RAW files – they might look horrible, but your options are open The way to think about it is that when you release the shutter, the sensor gets some digital information. Think of this info as the RAW file (it isn’t but don’t worry about it). Literally the 1’s and 0’s from the sensor. When your normal camera produces a jpeg it takes this info, does all sorts of clever stuff and produces your gloddy saturated beautiful jpeg and simultaneously throws away what it thinks is doesn’t want. RAW files carry a great deal more information than JPEGs.

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Live Music and Concert Photography Tips

Live Music and Concert Photography Tips

Stage photography is by nature different because you’re capturing a performance where practically anything can happen if you haven’t seen the show before. And the performers are going to be as dynamic as they ever get. Its in a class of documentary photography. What happens may only happen once and it is therefore both difficult and fun. What follows is my take on how I feel about it. I will cover preparation, being ready, passes shooting modes and in particular manual mode.

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