It was overcast outside so we thought we'd give it a go, hoping that the duller sky would drop the dynamic range of the scene somewhat, and it did, but not by a great deal. It was still impossible to accurately capture in a single frame, so I decided to do a panorama, adjusting exposures to suit the conditions as I panned. While still not exactly what I wanted, it's definitely better than I'd previously managed. Another attempt will be made at a later date, as I have had new ideas about going about it.
This cave (which extends another 20m or so to the left of the frame, is the home of glow worms and small bats. The glow worms can only be seen at night, and it's due to their presence that flash photography is forbidden in this cave. The bats are visible in the daytime (just). To give you an idea how dark that end of the cave is, I attempted to shoot the bats - iso 6400, f/2.8 only got me a shutter speed of 1/13th second!
View all photos taken: Saturday, 20th February 2010, This photo: 12:31pm