Description
Fiberglass matt white viewing surface Ideal for overhead projectors and high light output projection devices Gain of 1.0 and a viewing cone of 180 Pentagonal steel case and endcapsOperates instantly at the touch of a button and stops automatically in the up and down positions Non-tensioned trap door and 2 masking above viewing area Fiberglass matte white viewing surface Ideal for overhead projectors and high light output projection devicesGain of 1.0 and a viewing cone of 180 Pentagonal steel case and endcapsOperates instantly at the touch of a button and stops automatically in the up and down posistionsNon-tensioned trap door and 2 masking above viewing area
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