GN, short for Guide Number, Is the amount of power the light transmitted by a flash device is. It’s the result from multiplying distance (in meter or feet) and aperture.
The power of the flash is measured with the GN which describes the flash’s capacity in illuminating objects within a certain distance (in meters). Modern flashes supports TLL technology that allows it to set its power according to the distance the object is to the camera, so the risk of it being too bright or too dark can be eliminated. Read the rest of this entry » .
Related Photography Ideas for GN in photography at OneSlidePhotography.com
Digital photography have made it easier for photographers to do their craft. A simple “click” of the shutter button and your photos will instantly appear on the LCD of the camera. Simple, but it brings upon a new dilemma. How do you go about storing these digital files for prolonged safekeeping? The following may answer […]
You who may be a newbie in the world of photography may be wondering: “Why do professional photographers, especially studio and fashion photographers, spend big bucks on expensive full-framed cameras?” Or maybe if there are full-framed DSLR users amongst the readers please feel free to comment below. The following are some of the benefits of […]
What is Back/Front Focus when referring to camera lenses? Back focusing and front focusing refer to the tendency of a lens – or sometimes the camera body – to focus slightly behind (back focus) or slightly in front of (front focus) the intended subject when using autofocus. In some cases, it can be eliminated by […]
An image sensor is a device that converts an optical image to an electric signal. It is used mostly in digital cameras and other imaging devices. Early sensors were video camera tubes but a modern one is typically a charge-coupled device (CCD) or a complementary metal–oxide–semiconductor (CMOS) active pixel sensor. Today, most digital still cameras […]
An age-old question that may make the beginner photographers wonder: “Which should come first, buying a wide-aperture lens or buying a flash for photographing in low lighting?” On one hand, a fast wide-aperture lens may be more important because it can be more often used when photographing in low-lit indoors or to achieve good bokeh […]
Here are a few tips to help you create beach photos that can be enjoyed by you, your friends, and your whole family: – The best time to capture beautiful beach panoramas are during the early morning or early evening because the sun is at a low angle, making textures and shadows look better in […]
The most common events that you would be documenting when you’re into photography would be your family events, Groups and weddings. Creating memorable wedding and family event photos aren’t difficult, as long as it’s planned and organized accordingly. Here are some tips to get you going: