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 value at OneSlidePhotography.com
Like in everything else, there are records of firsts in the world of photography. The following are some of the most groundbreaking firsts that we now find photographs of the norm. Check them out! First Fetus Photograph In 1965, Swedish scientist Lennart Nilsson photographed this 20-week old fetuswhile the fetus was alive without any interference. […]
Unless you make a living as a photographer, photography, like other hobbies, may get boring at times. Not to mention if your free time is limited or you’re starting to feel the jaded point where inspiration is null and creativity hits a dead end. But it would be quite a waste if the camera and […]
With the progress of technology of the digital camera comes the increase of megapixels in newer models. Megapixels are the unit used to measure resolution of a digital camera’s sensor. Many beginner photographers who don’t fully comprehend the importance of camera specifications assumes that the larger the megapixel, the better the camera. But that’s not […]
Today, almost all popular brands of camera have launched their products of mirrorless cameras. With more simple body and promising image quality, off course, these cameras draw photographers’ interest to change their DSLR cameras to the mirrorless system. But, each has their own different characters. We hope this information can help you finding good new […]
For all those who own a Canon DSLR, there’s a custom firmware called Magic Lantern for selected Canon DSLR types. Started out as having functions tailored for videographers, the newer versions of Magic Lantern also has features useful for photographers. It’s an addon/plugin for your camera’s firmware and is installed in the memory card. It’s […]
One of the things photographers do during post process is to adjust tones and colors to produce the desired overall tone of the photograph. There are no concrete standards to producing a certain photographic tone. It all boils down to taste and preference of the photographer. One of my and some of my friends’ favorite […]
Now days many digital cameras have a mode on them called ‘bulb’ mode that allows you as the photographer to keep the shutter open as long as you wish. This can be very handy in this type of photography to time your shots with precision. If you use this you’ll want to be using a […]