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有珠山の火山灰
2000年
壮瞥町で採集
マグマ起源の粒が少なく、表面の岩石がふきとばされてできた粒の方が多いらしい。
File: 2000usu.jpg
File size: 3,133KB
Camera Model: E990
Firmware: E990v1.1
Date/Time: 2005:02:02 14:54:05
Shutter speed: 1/88 sec
Aperture: 3.7
Exposure mode: Program
Exposure compensation: -2
Flash: Off
Metering mode: Multi-segment
ISO: 100
Focal length: 16.8mm
AF mode: AF-C
Image size: 2048 x 1536
Rotation: none
Image quality: FINE
White balance: AUTO
Sharpness: AUTO