The P, A, S and M modes differ only in who sets the shutter speed and aperture. Which mode suits which subject, plus exposure compensation and Auto ISO in each.
The same lens frames differently on an APS-C body and a full-frame body. Here is the crop factor math, photo comparisons and a verdict on which format to buy.
What do full frame, APS-C, Four Thirds and 1-inch actually measure? A table of real sensor sizes, a to-scale chart and the crop factor of every common format.
Shutter speed, aperture and ISO decide how bright a photo is and what else it shows: motion, background blur and noise. How the three trade off in stops.
Your camera meter assumes the scene is mid-gray. Which metering mode to use when it is not, how to read the histogram, and the tools that flag blown highlights.
A mirrorless camera drops the reflex mirror and shows the image straight from the sensor. What that changes in practice, and why new DSLR bodies have stopped.
The opening inside the lens controls brightness, background blur and sharpness at once. A full f-stop chart, what f/1.8 or f/16 means and settings by genre.
Sensitivity is the third exposure setting and the simplest: it changes only brightness and noise. An ISO chart, values for each kind of light and Auto ISO.
How long the shutter stays open decides brightness and motion, frozen or blurred. A chart of shutter speeds, handheld limits by focal length and a tripod guide.
Lens filters confuse beginners more than any other accessory. Here are the filters digital cameras no longer need, the four they still need and how to pick one.
Protective and UV filters are frequently recommended with a new camera or lens. When does a digital camera actually need one, and when does it hurt the image?
An ND filter cuts the light entering the lens, so you can use long shutter speeds or a wide aperture in bright sun. ND8 to ND1000, variable NDs, step by step.
The history of photography and the evolution of photographic equipment goes back almost 200 years. During this time, many interesting creative tools were released, some of which can still be used today. I am writing primarily about lenses. It is the lens that forms the image on the sensor of a digital camera. And the …
An SD card holds a lot of data in your camera. To keep your SD card secure and make sure that your camera is ready before your next photography shoot, you might want to format the SD card before each use. This article covers the need to format an SD card and the various ways …