部機就實夠光.. ..問題係你個環境夠唔夠黑... ..???買得就唔慳住用啦.. .. ..幾千個鐘都有排睇啦.. ..{:6_122:} 唔係想慳,只是低D流明可以高D對比呀嗎,セ唔係咩???? This is not true.
You can increase the contrast ratio by placing it farther away from the screen (i.e. longer throw distance); but not (in most cases probably) reducing the lamp power.
Moreover, you need to be aware that, in some projectors (e.g. my AE4000), putting the lamp in eco-mode will seriously affect the color saturation and vividness of colors.A bad idea.
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