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 what is guide number at OneSlidePhotography.com
Photographer: Quinn Rooney Photographing a motorcycle race isn’t easy and requires a special expertise. Split-second moments and various technical photographing conditions become hindering factors for the photographers. Here are 9 tips to better photograph a motorcycle race event. These tips can also be applied to other sports events that involve high speeds. I hope they’ll […]
The “Rule of Thirds” one of the first things that budding digital photographers learn about in classes on photography and rightly so as it is the basis for well balanced and interesting shots. The rule of thirds is a compositional rule of thumb in visual arts such as painting, photography and design. The rule states […]
Here are 20 quick tips to get you started as a beginner photographer. Maybe you’ve known some of these, but hopefully you’ll learn something new. 1. To practice your panning skills, photograph objects moving at normal speeds (a person riding on a motorcycle, for instance). Use the shutter priority mode and set your shutter speed […]
As a rookie photographer who just learn about photography those codes written on the lens of your camera can be very confusing. There are some explanations on those written codes on canon lens here. EF-S EF here stands for “Electro focus”, while the S stands for “Small Image Circle”. It is called so because this […]
For all those who own a Canon DSLR, there’s a custom firmware called Magic Lantern for selected Canon DSLR types. Started out as having functions tailored for videographers, the newer versions of Magic Lantern also has features useful for photographers. It’s an addon/plugin for your camera’s firmware and is installed in the memory card. It’s […]
This iconic 1957 Richard Avedon photo, “Marilyn Monroe, actress, New York,” is now in the collection of New York’s Museum of Modern Art. Today the museum announced its acquisition of 39 Avedon photographs, more than doubling its collection of the late photographer’s work. “We are very grateful…for the cooperation of The Richard Avedon Foundation, which […]
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 […]