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Three energy saving light bulbs | by Anton Fomkin
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Three energy saving light bulbs

Elektrostandard compact fluorescent lightbulbs (CFL) with different color temperature - 2700, 4200, 6500K (from left to right). Glossy black plastic, two soft boxes and... soldering-iron;-)

Here are the same light bulbs in the catalogue elektrostandard.ru/lamps/energy-saving/3u-20-24-vt.html

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Taken on December 8, 2010