You know those numbers on the side of that lens you just bought for your digital SLR? 70-200mm … 50mm … etc? Those numbers are a lot less absolute then they used to be? The reason? Not all image sensors on digital SLRs are built the same, ...

Light is the language of photography. To express yourself well and communicate you need to be able to speak with light. Light determines what you see (and what you don’t see); the mood of an image; colour and tone. Light can be loud and br ...

One thing that seems to baffle a lot of new photographers is understanding the term “stop” as it pertains to a measurement of light. We see this word used over and over with regards to shutter speed, aperture, film speed, filters, lighting, a ...

The purpose of HDR photography is to create an image of a scene that has a greater range of light values than can be normally be captured by a single film or digital image.  Depending on how it is used, HDR imaging software can allow the phot ...

What I’m aiming for is the article I wish I’d found when I first got my camera, to help explain the relationship between three critically important parameters: the ISO speed, aperture (or f-stop number), and shutter speed. To lead with, th ...

"Understanding camera lenses can help add more creative control to digital photography. Choosing the right lens for the task can become a complex trade-off between cost, size, weight, lens speed and image quality. " "This tutorial aims to ...

"Every photographer wants both maximum resolution and maximum depth of field. But unfortunately these two demands can be mutually exclusive. As you stop down the aperture on a lens the light passing through tends to diffract, reducin ...

One day I was at my local photography store I saw one of these  light tents. It consisted of a collapsible white fabric box with a hole in the front and 3 lights - used for photographing small objects in photographic studios. Materials ...

Capturing movement in images is something that many photographers only think to do when they are photographing sports or other fast moving subjects. While there is an obvious opportunity in sports photography to emphasize the movement of p ...

"Light Trails continue to be popular subject matter for many photographers and they can actually be a great training ground for those wanting to get their cameras out of manual mode and to experiment with shooting in low light at longer expos ...

Inside each lens is a diaphragm that can open and close, the size of the opening at any given setting is what we refer to as the aperture setting. On our cameras we refer to specific size settings as f-stops such as f/2.8, f/5.6, f/11, etc. W ...

"The RAW file format is digital photography's equivalent of a negative in film photography: it contains untouched, "raw" pixel information straight from the digital camera's sensor. The RAW file format has yet to undergo demosaicing, and so it ...

Contrary to the urban myths that propagate like viruses on computer discussion boards, no digital camera with interchangeable lenses has a exposed imaging sensor. All either have a glass anti-aliasing filter or an optical glass cover. With th ...

Toshiba Corporation (TOKYO: 6502) today announced the launch of a new CMOS image sensor that will bring 14.6 million pixels to digital still cameras and to mobile phones supporting video imaging. The sensor, the latest addition to Toshiba’s “ ...

Night photography has the ability to take a scene and cast it in an unusual light-- much like the golden hour surrounding sunrise and sunset can add an element of mood and uniqueness to a sunlit scene. Just as how sports and landscape photog ...