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t caves through the Cave Research Foundation, please visit: http://www.cave-research.org 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/grottos/new_grotto_page-v2.shtml 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