On Nov 13, 5:04 pm, firstname.lastname@example.org wrote:
Best illumination for a stained glass window is northern
exposure, on a cloudy day; you want a diffused light background.
Unless you don't want to admire the window from INSIDE the
church, it has to be nonblocking from the interior.
Two solutions suggest themselves.
(1) Unpleated sheer curtains with electric control,
that draw back in the day but close and glow under diffuse backlight
(a bank of fluorescents, if the colors can be made to work, or halogen
if not) during the evenings.
(2) if the line-of-sight from the ground is through the window to a
apply suitable reflective paint (like used for painting surfaces for
projection screens) to the ceiling and illuminate the ceiling from
near the window inside the church, aimed at that ceiling surface.
One can hybridize the two, using a motorized reflective-screen.
A third possibility is ... amusing, but maybe not practical. If you
commission a Fresnel lens and sandwich it against the stained glass,
it would be possible to use the single-point-source illuminator inside
and still get whole-pane brightness in some suitable viewing zone
outside (near the virtual focus of that source). I actually used this
trick once, to make a microwave oven display more visible at an odd
On Nov 13, 7:04 pm, email@example.com wrote:
Any good outdoor sign company could put you on the right track in no
time. They have all the expertise to do it effectively and and rea
$onably. They may even suggest some of the nifty LED rope lighting
that is in the masrket, by GE IIRC. Good luck.
Tue, Nov 13, 2007, 5:04pm (EST-3) firstname.lastname@example.org doth sayeth:
<snip> I know that churches in Europe illuminate their stained glass
windows and that it looks really nice. What is it that they are doing
right and that I do not know how to do?
That's easy. Thay have a dozen or so monks holding candles behind
The whole of life is a learning process.
- John Keel
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