> > From: Cotty <[EMAIL PROTECTED]> > Date: 2005/05/19 Thu PM 02:14:18 GMT > To: "pentax list" <pentax-discuss@pdml.net> > Subject: Re: How to photograph animals in the dark? > > On 19/5/05, mike.wilson, discombobulated, unleashed: > > >Here's a conundrum. I've been doing bat surveys for the last few weeks, > >as it is that time of year. Mostly it is quite easy turn up at dusk or > >dawn (or both, which is quite hard....) wander round with a bat detector > >and note anything flying. If it's a big roost you can often spot it > >quickly, if it's smaller more visits will be needed to pin it down. > >But...... > > > >It turns out that there is a commmon specie of bat around here that is > >comparitively solitary and does not register well on a bat detector. My > >thought is that the easiest way to spot these would be by photography. > >They tend to use barns and these often have largeish openings that the > >bat is most likely to use. The two thoughts I have had are: > > > >1) use a video camera on a tripod and film the opening. That means > >someone will have to sit and watch the ~2 hours of video. > >2) use trap focus to catch individuals. > > > We have a fairly cheap Video 8 digi camcorder that has an infrared light > on it and when set for IR capture, it's quite astonishing what detail can > clearly be seen in the pitch black (visible) light. I am certain it would > record a bat flying through frame at say 20 feet away. > > This is the camcorder: > > <http://tinyurl.com/ac4nn> > > HTH
It does. I've heard of these types of camera before - and the nefarious uses they can be put to 8-) - and I think that, notwithstanding having to sit through the film, it is going to be the easier way to go. m ----------------------------------------- Email sent from www.ntlworld.com virus-checked by McAfee visit www.ntlworld.com/security for more information
