On 1/4/2015 10:37 PM, Jeff Liebermann wrote:
On Sat, 03 Jan 2015 14:21:23 -0500, Phil Hobbs
wrote:
I have a bunch of Luxo desk lamps that have a 100 W incandescent
surrounded by a 22W circular fluorescent. They're by far the easiest
thing on the eyes that I've ever used.
Cheers
Phil Hobbs
100 watt incandescent bulb on a desk lamp? Doesn't that get rather
warm and possibly hot enough to shorten the life of the bulb?
Not in the 20 or so years I've been using them. Of course, they were
made onshore, which helps.
I also use two lights, but differently. One is an area flood light,
usually on the ceiling. The other is a desk lamp with a flood light
to light up whatever I'm working on. If the work is large, two flood
lights.
This is what I've been using for close work:
http://www.11junk.com/jeffl/pics/drivel/slides/luxo-flood.html
(Oops. I just noticed it's a Ledu, not a Luxo.)
Brr. Ledu is a crappy knockoff of Luxo. I got one by mistake, and it
rapidly went into the trash. Trust me, the $200 a real Luxo costs is a
bargain in the long run.
"Equivalent watts" is a crock. A real 100W bulb puts out about 1690
lumens, so my desk lamps are probably well north of 2500.
Highly recommended, if you have a couple of hundred 100W incandescents
stashed in a cupboard like mine.
Cheers
Phil Hobbs
--
Dr Philip C D Hobbs
Principal Consultant
ElectroOptical Innovations LLC
Optics, Electro-optics, Photonics, Analog Electronics
160 North State Road #203
Briarcliff Manor NY 10510
hobbs at electrooptical dot net
http://electrooptical.net