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 how to measure flash power at OneSlidePhotography.com
Who doesn’t know instagram these days? This photo-processing app is installed in almost every smart phone all over the world. The way it works is simple. This app adds various filters (most of which are vintage-inspired) on photos taken with the phone’s camera, then it uploads it onto its built-in social website. It’s for certain […]
Shutter Count is the threshold of how long a camera can be used (how many times the shutter can be triggered). Each type of camera usually have different shutter count limits. For instance, a pro-series camera an average of 500K shutter counts. Entry levels has an average of 300K.
Photographing a lightning is a dangerous hobby. What most people do not understand, is that lightnings are unpredictable and they could strike down any time, anywhere. At the same time, taking a picture of a lightning storm can be very rewarding, especially if the lightning pattern is unique or the picture is taken at an […]
For a teenager named Danny Bowman (19 years old), it was neither drugs nor video game that got him addicted but selfie or self-portrait photograph. It got ugly when he failed taking a perfect photo of himself and got frustrated then attempted a suicide. It was all started when Bowman posted his selfie on Facebook […]
Many novice photographers ask, “which lens is best for photographing head shots/portraits, and why?” Actually, suitable or not a lens is depends on the needs of the photographer. What you need to familiarize yourself with is actually the characters of the lens you’re using and how it effects the proportions of the object’s face that […]
Image Stabilization (or Vibration Reduction in Nikon) is a technology found on some DSLR Canon and Nikon lenses. Activate the image stabilization (IS) so that the photographer can produce sharp images in lightless conditions without using a tripod. In another words, you can use adequately slower shutter speed when the camera is on your hands […]
Photography has been rapidly growing. Now, the experience of learning photography has been continually made easier by the technologies of the digital age. The dark room skill, which was once half of the photography experience, has been eliminated by the digital editing process. Now, editing can be done using various editing softwares such as Photoshop, […]