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
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 […]
Questions concerning Shutter Counts often arise in forum conversations or discussions among beginner photographers. DSLRs, which eliminate the need for film rolls, are often deemed limitless in its usage. Photograph at will, examine results, and if not satisfactory, a simple push of the delete. Without even a thought, the user may have photographed thousands of […]
Even though I almost always shoot in RAW files, especially in client photo shoots, there are times when it’s better to record using the JPEG format. (Read RAW vs JPEG). The advantage of the JPEG format, besides its smaller file size,, are also that they are quite suitable for those new to photography. Why?
There are several differences to consider when deciding whether to purchase the D5100 or D90.
Canon 70D and Nikon D7100 are premium DSLRs and both serves well for both professional photographers and hobbyists alike. Some similarities between the two: -Generally, the buttons and dial on both cameras are quite elaborate. Speed of continuous shots are almost identical. Canon 70D is capable of shooting up to 7 photos per second, while […]
The term, fisheye, first mentioned in 1906 by a physician and inventor called Robert W. Wood based on the point of view of a fish inside the water. The practical use started in 1920 in the field of meteorology to study the formation of cloud which was called “whole-sky” lens. The angle from fisheye lens […]
Focusing accurately is important in getting sharp photos. Photos with an offed focus is difficult or almost beyond repair.Back in the day, there was only manual focus. Manual focus are rather difficult for DSLR cameras because the viewfinder is smaller and less bright. Fortunately, there’s now auto focus in modern DSLR cameras.Even so, we must […]