Good Morning!

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A young Hyena (Crocuta crocuta) pops its head above the parapet. There is no telling the difference between male and female in this species, which is perhaps famous for its ‘hermaphroditism’. This, some believe, is an outcome of female dominance and aggressiveness in the competition to secure food for their young. It is said that females actually outpace males in testosterone production and grow larger and are more aggressive than males. The male looking external genitalia of females is unique in this species.
Population Trend : Decreasing; Threat: Least ConcernSource IUCN
(Canon EOS 5D Mk III/ EF100-400mm IS II USM; 1/3000 sec; f/5.6; ISO 3200; 400mm)

Picture ©2016 Andrew Field – Simply Wild Photography

Digital Photography Terms
F-stop, is a lens aperture setting measure which all variable aperture lens are calibrated. The measure provides an indication to the users of the amount of light being transmitted through the lens. Each stop change either halves of doubles the amount of light on the film or sensor. The f-stop setting also determines the depth of field on the subjected in the image.

“When I first started learning how to take photographs, you had to spend the first six months figuring out what an f-stop was. Now you just go and take pictures. Nobody thinks about technical issues anymore because cameras or camera phones take care of that automatically. ”

– Martin Parr

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Taguta

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Taguta, a term in Shona for ‘we are satisfied’, in other words, eaten ones fill. This blood stained, dirty little cub seems to have done more than having his fill. He could hardly move with his bursting tummy and was panting furiously with discomfort, but well knowing that the next meal might well be a few days off! This cub got lucky. Following a kill, the dominant lion of the pride is usually at the top of the pecking order, being irascible and piggish at the feed, followed by the lionesses and then the cubs of the pride. For cubs, the next meal is never guaranteed.
(Canon EOS 5D Mk III/ EF100-400mm IS II USM; 1/180 sec; f/10; ISO 1000; 560mm)

Picture ©2016 Andrew Field – Simply Wild Photography

A-Z of Photography

Aperture is one of the fundamentals of photography and is the lens opening usually controlled by a metal leaf diaphragm that may vary the amount of light which falls on film or sensor. Aperture is calibrated in f/stops, the larger the number the smaller the aperture. Cameras allow images to be taken in aperture priority mode, which fixes the aperture, allowing the camera to set the correct shutter speed for the amount of light admitted. Aperture is critical to depth of field.

“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

Waterbuck Flight

waterbuck-flight_2016_10_15_3101Being among the rich wildlife of Mana Pools is ever rewarding. Just something simple, like Waterbuck (Kobus EllipsiprymnusShona: dhumukwa; Ndebele: isidumuka) in flight, with their shaggy coats, often presents an opportunity. These three Waterbuck seem to have been spooked by something, which was never identified. They are not very fast on the hoof, in fact some describe them as donkey like. They are no match for the more common predators of Mana Pools, such as Wild Dog and Lions.
(Canon EOS 5D Mk III/ EF100-400mm IS II USM; 1/1500 sec; f/5.6; ISO 320; 340mm)

Picture ©2016 Andrew Field – Simply Wild Photography

A-Z of Photography

Depth of Field is the zone of acceptable sharpness in an image controlled by the aperture of the camera and being dependent upon focal length and focusing distance. The tighter the lens aperture the longer the depth of field in an image. Aperture is measured in f/stops and the lower the f/stop the less the depth of field.

“What uses having a great depth of field, if there is not an adequate depth of feeling? ”

– W. Eugene Smith

Alerted Lioness

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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

Pied Kingfisher’s Breakfast

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Opportunity knocked when this little Pied Kingfisher (Ceryle rudis) dropped in just meters from the photographer to consume his catch. This bird is the male of the species, with its double breast band. The Pied Kingfisher is very broadly distributed in Southern Africa and a common resident of freshwater pans and wetlands.
(Canon EOS 5D Mk III/ EF100-400mm IS II USM; 1/1500 sec; f/5.6; ISO 3200; 400mm)

Picture ©2016 Andrew Field – Simply Wild Photography

A-Z of Photography
Lens Speed comprises the f-stop of the largest aperture at which the lens will function, hence a fast lens is one which will operate at a very low f-stop transmitting more light to the sensor or film plane. A 400mm lens which may function at an aperture setting of f/3.5 is a fast lens. Zoom lenses generally operate within a range of a few stops, the longer the focal length the tighter the aperture. A canon EF100-400 zoom lens operates between f/4.5 and f/5.6

“Human gesture and expression are the essence of photography. It’s not about lights or fast lenses and fast film. It’s the ability to capture a moment in time. To capture the spirit of someone in that magic box is wonderful. It’s what I fell in love with as a kid.”

– John Shearer