Difference between revisions of "Osram HQI-E"

Osram HQI-E (view source)

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 Most manufacturers have been releasing lamps for many decades and constantly improved technology so that lamps had a stabler, predictable lifetime and slightly improved colour stability due to manufacturing progress.
-Compared with Philips MHN-TD lamps, the HQI-TS range is much more diverse, offering a wider selection of wattages as well as more white colour choices. Also, another advantage of Osram products is that service lifetime is improved by around 2000 hours and that daylight colour lamps are very good for accurate daylight colour reproductions, with a light that closely mimics the ideal 5500K colour temperature standard. Osram HQI-TS lamps were not as widely used as MHN-TD lamps but they are a much better purchasing choice.
+Compared with Philips HPI lamps, the HQI-E range is much more diverse, offering a wider selection of wattages as well as more white colour choices. However, service lifetime and white light appearance varies much more than on Philips lamps, being less predictable based on some widely used assumptions in general lighting.
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