[sudo-discuss] lighting options

[Adam Munich]

I vote for soft white lighting; the room looked so much nicer when CCL was
using such light for their photo shoot.
On Mar 5, 2015 5:39 PM, "Patrik D'haeseleer" <patrikd at gmail.com> wrote:

> On Thu, Mar 5, 2015 at 11:31 AM, Jake <jake at spaz.org> wrote:
>
>> http://www.amazon.com/Triangle-Bulbs-White-Waterproof-Flexible/dp/
>> B005EHHLD8/
>>
>> 300 white LEDs on 5meters of tape for $8.40, free shipping over $35
>>
>> seller has warm, cold, waterproof, etc..
>>
>
> Nice deal. Most of the LED strips are more decorative than designed for
> high powered room illumination though. For example, the one you posted
> there is only 4.8 W/m, while the ones I found were around 20 W/m. You could
> of course just zigzag them back and forth a couple time to get the same
> light output.
>
> The amazon listing claims they're 900 Lumen for 4.8W/m, but that does not
> compute. While some manufacturers are claiming up to 300-400 Lumen/Watt,
> that's only achievable in very short pulses. In light fixtures under real
> world conditions, you expect around 40-80 Lm/W, so I suspect that 900 Lumen
> is for the entire 5m strip, not just for a 1m section.
>
> Since the 8ft fluorescents are 5000 Lumen each, that means we'd need about
> five of these 5m LED strips per fixture to achieve the same light output,
> looping them back and forth about 10 times across the 8ft fixture.
>
> Patrik
>
>
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