Category archives: rail

Eye Eye Captain…

Been trying to find the perfect lighting rig for the GoPro Hero2 for months and never found anything I was happy with so this was a visit to a short but sweet local culvert to try something else out…

4 x 64 LED lights on a handheld frame running at a supposed 5500K (doesn’t look like 5500K if you ask me) and the GoPro was mounted on the Chesty harness.

This is a lot of light in a small space but the Hero2 still struggles to keep up so its reached the end of the line, he’s going on FleaBay very soon and I’ll drop some shekels on a Hero3 Black Edition 🙂

There’s a handful of stills at the bottom shot on the Canon on the way back through, check the pesky flies that quite artistically fooked the long exposure shots up :-p

Flies ignore long exposures…

Mines #31

Not disclosing actual mine names as I believe these are sensitive locations and need preserving, also there are clear and present dangers to the casual observer, not least is the air quality in some of these mines. Human’s start going very twitchy at oxygen levels of 17% and 15% can kill you. If you wander into a heading with oxygen levels of 13% or less it is quite feasible the effect would be so rapid that you wouldn’t be able to help yourself and then its lights out….permanently. If this happens it would be sad for your family and would totally fuck things up access wise for everybody else.

I’ve been caving since the early 1990’s so being underground is nothing new. Low oxygen levels can kill you if you are not prepared…be warned.

Health & Safety lesson over, the following pictures were me messing around with long exposures and trying to perfect the art of Light Painting. Some obvious issues were encountered and lessons learned, one of which is that Xenon/Halogen light is quite bad for light painting but LED light used carefully is good, the other is that my current camera, a Panasonic Lumix DMC-TZ6 only has limited settings for long exposure, namely 15, 30 or 60 seconds. These pictures are either 15 or 30 seconds, ideally I would like the option of less than 15 seconds but ultimately that means buying a DSLR at some point.

Since this visit I have invested in another torch which should help with light painting, a LED Lenser P7 which has a one handed focusing mechanism so you can switch from spot to flood. Every underground location is different though and in many places the P7 would overcook the photos but in others it would work a treat.

All of these photo’s were lit with a combination of Petzl MYO XP (85 lumens) with diffuser, Underwater Kinetics Mini Q40 (50 lumens) and a Surefire Executive Defender (60 lumens)

Dead end in a heading, unusual in that the rails should have been removed when the mine closed!