I have been to the fantastic Jenolan Caves in NSW several times in the last few months. I've been photographing the caves and they are quite challenging to image. If you use flash it will wash out the delicate hues easily. Much like photographing coral. They need natural light.
Of course in a cave lighting is artificial and relatively dim. It puts a lot of pressure on the camera's low light imaging performance and autofocus in low light performance.
I used a Fuji XE1 for these and found the Fuji does very well.
http://www.pbase.com/gregbradley/image/148815711 45 image mosaic of the Gem of the West regular size,
http://www.pbase.com/gregbradley/ima...15711/original large size Gem of the West.
http://www.pbase.com/gregbradley/image/148815749/large regular size 45 image mosaic of large Column.
http://www.pbase.com/gregbradley/ima...15749/original 45 image mosaic of large Column large size,
http://www.pbase.com/gregbradley/image/148815713 underground Jenolan River 15 image mosaic.
http://upload.pbase.com/gregbradley/...48815864/large ribbon shawl and various formations.
http://upload.pbase.com/image/148816001 underground Jenolan River.
Greg