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Teila K. Day | all galleries >> Ladies >> brown hair >> indian summer > technical note: "raining in a change"
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technical note:  raining in a change

technical note: "raining in a change"

("reigning in a change")

Many wonder about the practical use of high iso capability, since most are not photographing subjects at dawn, dusk, or at night. It is however typical to be required to compromise between high iso and shutter speed when shooting in low-ambient light conditions that are typical of a stormy afternoon, or on streets heavy with large shadows cast by tall buildings, when using a telephoto lens 200mm and greater... Those are but two areas where the practicality of high iso, is quickly realized.

Using a tripod I would have dropped the iso a stop, and settled for shutter speed a bit slower, but when attempting to get a grab shot, hand held at 300mm, without stabilisation (IS or VR) 3200 iso proved a viable option here... even at 3:00 in the afternoon.

It is real world outdoor shooting especially in the early morning or late afternoon, that makes the 200mm f/2 (canon or nikon) the best outdoor glamour-only lens in my mind; the 300mm f/2.8 a very close 2nd.

I'm really looking forward to the day when 6400iso is good enough to be used commercially in virtually any ambient lighting situation, regardless of the background.

1/400s f/4.0 at 300.0mm iso3200

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Marilyn21-Sep-2010 18:42
Oops and the model too, very well done!
Marilyn21-Sep-2010 18:42
Funny I wasn't thinking ISO when I looked at this image (though I will keep it in mind as I am still learning ISO from shutter speed to large aperture from ass to a hole in the ground). I love seeing updates with this particular model. I wish there was a word for what I see in her. Well done Telia. Big V
Colin Clarke28-Aug-2010 10:58
Great explanation, Teila. Who'd a thought it ... we're hoping for usable 6400 and you know that 12800 is just around the corner .... Seems only yesterday when Kodachrome 25 was for scenics and we reached for the Ektachromes at 160 and 200 (maybe pushed a stop) for the action...