Hidden Cave Survey

Описание: Permits are required from the USFS to visit Hidden Cave.
https://www.fs.usda.gov/main/lincoln/...

For more detailed information on caving techniques, caving gear, and cave projects, visit my website at: https://www.derekbristol.com

Caves are delicate and potentially dangerous places. For more information on wild caving, vertical caving techniques, and cave survey, visit the National Speleological Society website:
https://caves.org

To find a local grotto (caving club) visit:
https://caves.org/committee/i-o/grott...

White Nose Syndrome (WNS) is a disease that is devastating to bats. To learn more about what you can do to help, along with information on how to properly decontaminate caving gear, visit:
https://caves.org/WNS/index.shtml

Cave Videography Gear I Use: (Note that these are affiliate links)
Full-frame Low-Light Camera - https://amzn.to/2TkIUxT
In-Cave Fast Prime Lens (a7iii) - https://amzn.to/2TnkB27
General Purpose Zoom Lens (a7iii) - https://amzn.to/2Trc2Uf
Wide Angle Zoom Lens (a7iii) - https://amzn.to/2Duwuhl
Gimbal - https://amzn.to/2TKccpT
ND Filter - https://amzn.to/2PAvBuJ
Soft-Case for Caving (a7iii) - https://amzn.to/2QanKDA
Tripod - https://amzn.to/2PVGrvv
Camera Bag - https://amzn.to/2RZekYT
Helmet-Mounted Action Camera: https://amzn.to/2qTa0yT
Drone - https://amzn.to/2PRs7nU
APS-C Run and Gun Camera - https://amzn.to/2DKTMQU
In-Cave Prime Lens (a6500) - https://amzn.to/2DuyLZK
General Purpose Zoom Lens (a6500) - https://amzn.to/2Q5Mgpw
Wide Angle Zoom Lens (a6500) - https://amzn.to/2Tnl98b
Soft-Case for Caving (a6500) - https://amzn.to/2OPF6Be
Hard-Case for Wet Caving (a6500) - https://amzn.to/2DxFOki