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 flash formula at OneSlidePhotography.com
Photo by : Ciel Photography on Flickr As what was done by the two pioneers of this field of photography, lomography has developed into a photographic technique that ignores the existing rules. When executing conventional photography techniques, a lot of rules must be adhered to (e.g. shutter speed, ISO, and aperture) to create a good […]
One of the hardest things to get right in a photograph is the lighting. Too much light, too little light, or a combination of the two can ruin an otherwise perfect photo. But, luckily this problem can be solved if you understand the types of lighting, how they affect your camera and what you can […]
There are often times circumstances where interesting objects have to be photographed in low light conditions and a flash device is undesired (if possible). Yet, a sharp resulting photograph is still the goal. Objects such as a clear nighttime view of a city, evening music concerts, or a party’s atmosphere is a shame to pass […]
Specially for high-speed photographers and photography enthusiasts! Essentially, this device will trigger the camera once an impact occurs (which will generate a sound) on the object that’s to be photographed. The sound is then received by the device and will the trigger the activation of the camera. Before turning on the camera device, there are […]
Photography is originated from Greek language, “photos” which literally means light and “graphein” which means drawing. In other words, it means drawing with light. Lighting is the most important part of photography and there will be times when you will need additional light sources. For example, pop-up flash (or flash featured in every camera), it […]
There are many ways to maximize the travel photographs from the cameras we own, even if we only own a simple pocket camera. There are probably many of you who have learned and applied these tips that I’m about to give, but I’m sure there are also plenty of you who still shoot at whims […]