Alerted Lioness


This lioness (Panthera leo) was probably on a hunting mission with one other lioness when encountered by the photographer; and if looks could kill. They were watching over an open vlei from the shade of a tree, supposedly awaiting unsuspecting prey to cross their ambush area. A fit lion can gather speed up to 60-70 kilometres per hour in the chase, but can only maintain this for about 100m. With common antelope, like Impala, being able to achieve 80-90 kph during flight, the lion really needs an element of surprise and for its prey to encroach within 30m. Humans have no chance. The world’s fastest, Usain Bolt, reaches a mere 45 kph over 100m!
(Canon EOS 5D Mk III/ EF100-400mm IS II USM; 1/250 sec; f/11; ISO 320; 400mm)

Picture ©2016 Andrew Field – Simply Wild Photography

A-Z of Photography

F/Stop is the setting which regulates the aperture of a camera, modifying the amount of light falling on the sensor, and the depth of field (area of focus) in an image. The f-number series is a geometric series based on a multiplication of the factor 1.4. Each f/stop change results in a doubling or halving of the light transmitted through the lens.

“After forty years of ingesting every aspect of photographic science and composition, I still find the camera to be an endlessly intriguing partner that challenges my imagination and knowledge. All that with only three variables of shutter speed, aperture and focal length.”

– Ralph Auletta

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