bottom of the ocean tunnel

Camera：Nikon D300, Lens：Tokina AT-X12-24mm F4DX
Exif：Aperture priority mode, +0.7EV, ISO= 2500, SS= 1/30sec, f=4, Focus distance= 13mm, No flash
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Camera：Nikon D300, Lens：Tokina AT-X12-24mm F4DX
Exif：Aperture priority mode, 0EV, ISO= 3200, SS= 1/15sec, f=4, Focus distance= 12mm, No flash
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Camera：Nikon D300, Lens：Tokina AT-X12-24mm F4DX
Exif：Aperture priority mode, 0EV, ISO= 900, SS= 1/30sec, f=4, Focus distance= 12mm, No flash
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Camera：Nikon D300, Lens：Tokina AT-X12-24mm F4DX
Exif：Aperture priority mode, 0EV, ISO= 3200, SS= 1/13sec, f=4, Focus distance= 12mm, No flash
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Camera：Nikon D300, Lens：Tokina AT-X12-24mm F4DX
Exif：Aperture priority mode, 0EV, ISO= 640, SS= 1/30sec, f=4, Focus distance= 12mm, No flash
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Camera：Nikon D300, Lens：Tokina AT-X12-24mm F4DX
Exif：Aperture priority mode, 0EV, ISO= 3200, SS= 1/30sec, f=4, Focus distance= 12mm, No flash