All Entries in the "Performance Metrics" Category
How Histograms Help Read Exposures
There’s a section on the menus of digital cameras for histograms and these are basically small graphs. However, many casual photographers aren’t really sure what they’re used for or how to read them. Basically, a histogram can be very useful tool for photographers as they produce a quick summary of an image’s tonal range. The [...]
Knowing When Not to Use the Camera’s Flash
Knowing when not to use your camera’s flash device in photography is just as important as knowing when to use it. This is because the flash unit has a limited range and if you’re taking a photo of anything that’s out of this range they won’t turn out like you hope. Basically, a typical flash [...]
The Advantages of Auto ISO
One of the biggest advantages of digital photography is that you can quickly change the ISO setting in a digital camera. When using a film camera, the film comes in a designated ISO such as 100 or 200, and that means all of the photos on the roll must be shot at that setting, unless [...]
The Inverse Square Law and the Digital Photography
Photography is an art. This fact is undeniable. Nonetheless the artists might be faced with the situation when they have to learn a little something about sciences like physics. There are numerous laws of physics that are used in photography, and one of them is the inverse square law. The name of the law doesn’t [...]
How Many Megapixels Are Enough?
A lot of digital camera manufacturers boast about the model’s megapixel capabilities. But when it comes to digital photography more megapixels doesn’t always equal better quality photos. Actually, it’s somewhat a myth. You don’t necessarily need a camera with a huge amount of megapixels to capture good images. Most point-and-shoot digital cameras these days range [...]
Experimenting at 1/20th of a Second
There are so many options in photography that it’s hard to experiment with everything that’s possible. However, slowing your shutter speed down to 1/20th of a second will allow you to be creative and get some excellent shots with some interesting effects. For instance, you can cause intentional blur in images such as waterfalls and [...]
Back-Button Focusing Can Be Useful
Even though a camera has an autofocus, it still needs some direction from the photographer to make sure it’s focusing on the right part of the image. The autofocus might be correct for one shot and then the next photo it might lock onto something in the background. You could always eliminate this problem by [...]
Moving Subjects Can Be Caught by Pre-Focusing
It’s often hard enough taking sports photos, but when the subjects keep moving around, it makes it even more difficult. Focusing on a baseball player at bat isn’t too bad, but once he starts running you may have problems. The focusing distance in sports usually changes all the time because players are constantly in action [...]
Manipulating Light into a Photography Asset
The three rules govern the appearance and manifestation of light used for photography purpose. These rules are the base knowledge for the photographers ultimately influencing the rules of creating landscape photography. 1. The light quality Brighter the light, the softer will it appear inside a photograph. In order to change the quality of light the [...]
Why a Higher Optical Zoom Is Better than a Digital Zoom?
A lot of stores are selling cameras on the basis that they have large digital zoom capabilities. However, you shouldn’t really care what the digital zoom is; you should be focusing on the optical zoom if you’re serious about photography. The digital zoom actually uses guesswork or interpolation when it zooms in on your image. [...]
