most deep part of the reinforcement department

Camera：Nikon D300 + Gitzo Series2 Reporter Performance Monotripod Convertible, Lens：Tokina AT-X10-17mm F3.5-4.5DX Fisheye
Exif：Aperture priority mode, +0.7EV, ISO= 200, SS= 3sec, f=11, Focus distance= 10mm, No flash
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Camera：Nikon D300 + Gitzo Series2 Reporter Performance Monotripod Convertible, Lens：Tokina AT-X10-17mm F3.5-4.5DX Fisheye
Exif：Aperture priority mode, 0EV, ISO= 200, SS= 15sec, f=9, Focus distance= 10mm, No flash
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Camera：Nikon D300 + Gitzo Series2 Reporter Performance Monotripod Convertible, Lens：Tokina AT-X10-17mm F3.5-4.5DX Fisheye
Exif：Aperture priority mode, 0EV, ISO= 200, SS= 0.8sec, f=4.5, Focus distance= 17mm, No flash
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Camera：Nikon D300 + Gitzo Series2 Reporter Performance Monotripod Convertible, Lens：Tokina AT-X10-17mm F3.5-4.5DX Fisheye
Exif：Aperture priority mode, 0EV, ISO= 200, SS= 5sec, f=9, Focus distance= 17mm, No flash
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Camera：Nikon D300 + Gitzo Series2 Reporter Performance Monotripod Convertible, Lens：Tokina AT-X10-17mm F3.5-4.5DX Fisheye
Exif：Aperture priority mode, 0EV, ISO= 200, SS= 1.6sec, f=9, Focus distance= 17mm, No flash
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Camera：Nikon D300 + Gitzo Series2 Reporter Performance Monotripod Convertible, Lens：Tokina AT-X10-17mm F3.5-4.5DX Fisheye
Exif：Aperture priority mode, 0EV, ISO= 1600, SS= 1/30sec, f=4, Focus distance= 12mm, No flash
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Camera：Nikon D300 + Gitzo Series2 Reporter Performance Monotripod Convertible, Lens：Tokina AT-X10-17mm F3.5-4.5DX Fisheye
Exif：Aperture priority mode, +0.3EV, ISO= 1000, SS= 1/30sec, f=4, Focus distance= 12mm, No flash
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Camera：Nikon D300 + Gitzo Series2 Reporter Performance Monotripod Convertible, Lens：Tokina AT-X12-24mm F4DX
Exif：Aperture priority mode, +0.3EV, ISO= 3200, SS= 1/30sec, f=4, Focus distance= 24mm, No flash
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Camera：Nikon D300 + Gitzo Series2 Reporter Performance Monotripod Convertible, Lens：Tokina AT-X10-17mm F3.5-4.5DX Fisheye
Exif：Aperture priority mode, 0EV, ISO= 200, SS= 2.5sec, f=9, Focus distance= 10mm, No flash