Several people I cave with have Fenix lights which seem OK, but I?m concerned about the run times and power drop off. I?ve currently got a mine explorer cap lamp insert which is very bright, (when I can get it to go onto high power - seems to be a battery problem). Rude Nora seems to use the...

I?m seriously looking to purchase the Insta360 action cam. It?s small, waterproof to 5m and modular. It?s possible to swap the lens module from ?normal? to 360 easily. The base that connects all is the battery. I think that 360 video may have had its day, except for specialist places like...

I went underground this weekend to take some pics in Reeds Cavern with a friend. I have a Nikon 1 with underwater housing. I?d set the ISO to 3200 and had a large video floodlight. The pics were quite honestly really disappointing. Then I took out my iPhone 11 that had been in my pocket all the...