Transmission photosensor, L up to 10000 mm.
Transmission photosensor, L up to 4500 mm.
Photosensor for reflection, L = 3-20 mm.
Photosensor for reflection, L = 10-500 mm.
Transmission photosensor, L up to 12000 mm.
Reflective photosensor, L = 200-800 mm.
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