Projection Ratio: 4:3. Manual screen Projection Area 1x Projection Screen. Type: Pull Down Projector Screen. The screen with standard black backing to eliminate light penetration. BT, DG, EH, FK, G, KA (1-26, 29, 30), KY, ML, PA (1-19), DD, PH, AB, IV, KW (1-14), PH (19-40, 49, 50).
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