Optoma UHD42
UHD, 3400 lm, 1.21 - 1.59:1
Questions about Optoma UHD42
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No, a DLP with lamp
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Is more than Full HD, is Ultra HD. Absolutely suitable for presentations
I can't tell you what that might be, but it doesn't seem to be normal: It doesn't take longer than 30 seconds for me
According to the data sheet : Lamp (Info) : - Light source Lamp - Lamp watts 240 - Lamp life (hrs) 4000 (Bright), 15000 (Dynamic), 10000 (Eco) It can work between 4000 hours to 15000 hours it's depend on the mode you use.