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 calculate guide number at OneSlidePhotography.com
Nowadays, a camera phone is something of a daily staple in our lives. The quality of images these camera phones can also be compared to dedicated compact pocket cameras. But not many knows of the history of how the camera phone came to be. Officially, the first camera phone recorded was a prototype developed in […]
Nowadays, digital imaging becomes more common since the heaps of photo processing software thrived, which adequate to support the photographers manipulating their capture easily. However, these sophisticated things have been debating through photographers due to the process result was considerably different from the original, which us known that this could lead fall under public deception.
People believe that great photographs are images that can move and touch people’s heart and emotion when they see it. The following is a compilation of the world most powerful photograph which can probably amaze you.
Steven J. Sasson was born on July 4, 1950 in Brooklyn, New York, USA. He’s an American electrical engineer and inventor of the digital camera. The invention process began in 1975. Steven Sasson received a grueling assignment from his Boss, Gareth A Lloyd, at the Eastment Kodak company. Sasson was to conduct a research answering […]
This is a great chubby lens. The 105mm f/1.8 has a 9-bladed diaphragm, has a built-in telescoping hood, and takes 62mm filters. It has five elements in five groups. Close focus is 3 feet or 1m. It is 3.1″ (78mm) around by 3.5″ (88mm) long and weighs 20 oz (580g). The beauty of a great […]
Over the last couple of years the term strobist has become increasingly popular in the world of amateur photography. A strobist is a photographer who uses off-camera flash (OCF) to take pictures. Instead of the usual pop-up flash or speedlight attached on top of the camera, strobists use OCF to achieve more pleasing and more […]
The following are important factors in assessing the optical quality of a lens: -A good lens has the same sharpness in the center as it does at the edges (bad-quality lenses have a corner softness). -Good lenses can also capture with sharpness at any focal length and at any aperture setting (except when it exceed […]