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Arfa Daily Arfa Daily is offline
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Default Strange problem with low energy light bulb


"Franc Zabkar" wrote in message
...
On Tue, 26 Jun 2007 23:42:41 GMT, "Arfa Daily"
put finger to keyboard and composed:

Just another little spanner in the works. When the governments try to
actually introduce the ban on incandescents, will it just be on
'conventional' spheres, or will they try to do it for halogen and spot
decorative lamps as well? I would think that there is a huge useage of
these
lamps now, since all the big DIY warehouses started selling both fancy
light
fittings with multiple halogens in them, and cheap ceiling downlighter
kits,
with 3 or 5 halogens in them. I have two light fittings in my lounge with
five 20 watt halogens in each, plus two 60 watt spots. Over my stairs, I
have five ceiling downlighters, and then another five along the upstairs
corridor. There are another three in the main bedroom, and four in the
shower room. If these lamps get banned as well, then I'm either going to
have a lot of useless holes in the ceiling, or going to have to replace
them
with poor colourmatch LED fixtures ...

Arfa


The July 2007 issue of Silicon Chip magazine has an article entitled
"A LED to replace 50W halogens?"

It talks about Osram's soon to be released "Ostar Lighting LED" which
is rated for 1000 lumens. A 50W halogen produces 900lm.

http://www.reuk.co.uk/Osram-Ostar-Lighting-LED.htm

- Franc Zabkar
--
Please remove one 'i' from my address when replying by email.


Interesting Franc. Stuff like this keps dropping through my door too. I saw
one the other day, where the LED chips are arranged around a sort of 'tree'
to try to make it semi omni-directional, like an incandescent. However, good
as that new LED halogen look-alike that you have pointed us to look at is,
in terms of light output, I think that the real downside is contained in the
first line where it tells us that it produces " ...... of cold white light."
There is a shop in my village that has similar LED halogen replacements in
their window display, and I have a friend who has fitted LED downlighters to
his computer shop. Both look absolutely awful in terms of colour rendition
and how they make other things look - particularly people ! I think that
although this might ultimately be the better way to go over CFL's, the LED
manufacturers are still going to have to do a lot of work to improve the
colour rendition characteristics to make them acceptable by the general
public. I wonder if there will be exemptions, like for photography lamps, or
studio or theatre lighting lamps ?

Arfa