24 Feb
2010
24 Feb
'10
10:52 p.m.
On 24/02/2010 20:40, Tony Duell wrote:
Yes, that's what I was thinking of using them for. A ring of white LEDs
around the lens may be useable as a cheap alternative to a ringdlash
(which I don't own, and can't justify buying).
You can actually buy ringlights made in that manner, and they work
pretty well. There are usually some cheap ones on a famous "auction"
site and more expensive ones available from photographic suppliers.
I've seen DIY versions on sites such as
http://www.diyphotography.net/search/node/ringlight
White LEDs are also popular with some microscopists, and I have a rather
Heath Robinson device I use in that way. I keep meaning to rebuild it
properly rather than using crocodile clip to hold parts in place, but it
gives good controllable light. At least one of the microscopy sites has
some reviews suggesting makes/types that have a good spectrum:
http://www.micrographia.com/index.htm
http://www.micrographia.com/articlz/artmicgr/lmpideal/lmpi0500.htm
--
Pete Peter Turnbull
Network Manager
University of York
Has anyone ever tried them for flim photograhpy?
I saw white LEDs used as lighting for macro photography. Though with