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
Here are some guidelines that can assist you in developing your photography skills. Always Carry Your Camera Everywhere The main reason being that you can miss those great photographic opportunities because you don’t have you camera with you. Make it a habit of carrying your camera with you everywhere you go because you never know […]
Novices in the world of photography are filled with curiosity and wonder or they may be filled with a sense of inferiority from other more experienced photographers. What are some points new photographers should understand? Don’t ignore the camera’s manual. Many people new to photography wants instant gratification to the craft. They demand themselves to […]
It can be quite frustrating when the lighting conditions are insufficient when shooting, which makes it difficult to shutter speeds fast enough to freeze a photo’s object. When encountered with such a predicament, a flash (whether it be the internal camera’s flash or an external flash unit) can be used to remedy the situation. A […]
Many kinds of live show teased people in some occasions, and record it with some hidden cameras. It is interesting watching how people reflex through the surprise. This video shows a unique idea to joke people at a bus stop by capturing the victim then do a snappy photoshop editing. The edited picture then suddenly […]
Snorkeling and deep-sea diving has become more and more popular and most anyone can now participate in this sport, especially for those living besides coastal lines, islands, or those vacationing to places like these. With the rapid advancement of digital camera technology, underwater photography can be a new hobby for those diving enthusiasts. Here are […]
Using reflections in photography can lead to some amazing effects and beautiful images. Using water, windows, mirrors or any sort of reflective surface can change an image into a work of art. Reflection photography is an art because you have to dig deep into your imagination to see the hidden beauty. It is also a […]
For some people, candid photography is a fun activity. The photos resulted usually look more natural and there is a certain amount of satisfaction when you can capture the right momentum or people’s exact and interesting expressions. Maybe you have often tried doing this candid photography, either using you cell phone camera of “serious” camera. […]