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Taken 2-Feb-15
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Photo Info

Dimensions2250 x 3000
Original file size3.35 MB
Image typeJPEG
Color spacesRGB
Date taken2-Feb-15 16:13
Date modified2-Feb-15 16:25
Shooting Conditions

Camera makeCanon
Camera modelCanon PowerShot S95
Focal length12.85 mm
Max lens aperturef/3.5
Exposure1/80 at f/3.5
FlashNot fired, compulsory mode
Exposure bias0 EV
Exposure modeAuto
ISO speedISO 400
Metering modePattern
Digital zoom1x

Mike Merrick, supervisor at the sleep care center at Johnson Memorial Hospital, demonstrates the mask of a continuous positive airway pressure machine in one of the center's rooms. The machine forces air into patients' noses and mouths, to ensure that their airways stay open during sleep. It is one tool used to treat sleep apnea.