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
The 18 megapixel Canon EOS 600D (called the Digital Rebel T3i in North America) is a new DSLR camera that sits above last year’s 550D / T2i at the top of Canon’s entry-level EOS line-up. The 600D / T3i offers a 1,040,000-dot vari-angle LCD screen, a 63-zone metering sensor – identical to the one used […]
The following is a very special café which is really like no other. This unique cafe is located six miles to the east of South Korea in Yangpyeon district. Customers may drive on their own cars in order to reach the location or take a train from Seoul. Though the distance is quite far, yet […]
A digital CD slideshow is a great way to preserve and showcase your favorite photos. There are many free software downloads available to photographers who want to create slide shows from their digital camera photos. Listed below are a few of the most popular with a short review of what makes them useful. All software […]
When a curious soul decides to study photojournalism, he or she will enter into an area where there exist a heavy tradition to pass news to others and to the public. As is executed by artistic photographers, a photojournalist must have an artistic touch to produce an impactful image. Photojournalism is essentially a form of […]
Just last year, Oxford Dictionary dubbed the word “selfie” as the 2013 Word of the Year. A selfie, as many of you probably know, is a photograph taken of him/herself and usually taken using a smartphone camera of a webcam and then uploaded onto social media. Selfies are a fairly new trend, but did you […]
Nowadays, it seems, a pre-wedding photo session has become a ritual that completes a wedding ceremony event package, and lack there of will seem imperfect. The use of these pre-wedding photos varies. They are usually incorporated in the design invitations, displayed at the reception, and may sometimes be put as a slideshow exhibition during the […]
Many modern cameras feature the RAW file format. This feature may be one of the pivotal reasons why you’ve bought that specific camera, or you may be one of those who never use this feature. For professionals, photographing using RAW is a must. But for beginners, is this feature really that important? The short answer […]