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USDA Forest Service
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2015. MCH flakes. MCH is an anti-aggregation pheromone used to protect trees from attack by the Douglas-fir beetle. Wenatchee, Washington.



Taken on: May 11, 2015
Camera: Apple iPhone 5s, f/2.2, 1/30 sec, 4.2mm, ISO 125 (more info) (hide info)
Camera: Apple iPhone 5s
Aperture: f/2.2
Exposure Time: 0.033 sec (1/30)
Focal Length: 4.2mm
ISO: 125
Exposure Bias: 0 EV
Flash: Auto, Did not fire
Exposure Program: Program AE
Exposure Mode: Auto
Metering Mode: Multi-segment
White Balance: Auto
Color Space: sRGB
Software: 8.3
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