A dust sensor is an optical electronic system to detect fine particles such as dust. In principle, an optical dust sensor detects the dust particle concentration the in air by using an optical sensing ...
Apologies in advance for the length of this post.<BR><BR>I've got a three month old Canon 30D D-SLR, along with a 17-55 lens (amongst others). Having used various Sony P&Ss before getting the Canon, I ...
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