| 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 areaSpecial handling fees apply |
