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 » .
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In computing, JPEG is a commonly used method of lossy compression for digital photography (image).It is the most common image file type captured by digital cameras, from standard point-and-shoot to DSLRs, and it provides easy compatibility with desktop software and Internet upload sites. The term “JPEG” is an acronym for the Joint Photographic Experts Group […]
Recently, someone commented on the photography blog about how a friend chose a used Canon 1D Mark IIn (2005) over a Canon 7D (2009). Their friend’s reason behind this decision is quite simple; because the Canon 1D Mark IIn is classified as a professional camera. So, what really differentiate a pro camera from a non-pro? […]
Many beginner photographers think that a good photo can only be obtained by using a sharp lens that produces sharpness right to the edge of the frame. There’s truth in that, but it’s not always so. A sharp image without a sharp message doesn’t amount to much of a photograph. What would make a better […]
There’s something called the EDFAT method in photojournalism to help create a good photo essay. Through this method, the photographer will proceed to find the right photo frame that’s creative and can collect a complete data to be displayed in the photo essay. This method was introduced by the “Walter Cronkite School of Journalism and […]
Scenario: The light metering of your analogue camera is defective, but the camera itself still works well. What should you do to ensure you still get the results you want? There is a savior of a guide for such a predicament: the “sunny sixteen.” This guide states: when shooting in an outdoor setting, with the […]
The following are some common mistakes made by beginner and amateur photographers. The people at Panasonic found these via a survey they conducted, numbered in order of its frequency. 1. Most common mistake made by digital camera users, of up to 35.2% of the people surveyed, is the loss of battery power. Digital cameras, obviously, […]
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 […]