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 calculating GN at OneSlidePhotography.com
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Hiroshi Ueda, this Japanese man is often mentioned as the first ever founder of SELFIE stick. However, the following old picture will show you that it is in fact not a new invention because it has been used since 90 years ago, long before digital camera or other Smartphone cameras were even found. A picture […]
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Maybe when you’re planning on applying for a job or received an offer for a certain project, you’ll be asked to send in your personal portfolio of your recent works. And maybe you’re confused as to what would go in such a compilation. Well, to make it a little bit clearer, a portfolio is basically […]
Laziness is the main enemy in performing maintenance of your photographic equipment, when in actuality this process isn’t so time-consuming and has many long-term benefits when done regularly. Maintenance of your gear is essential in order to maintain our investment as a photographer for a long time to come. Here are some tips for caring […]