Which object can you see through clearly: Transparent. Which objects blocks all the light: opaque. Mike wants to put a window over his bathtub. Which type of material should he pick to allow light and privacy: translucent. Which object moves light to a central point: convex lens. Shining a light on a prism will______: compose many different colors. This object will magnify things close up: convex lens. This object will help you see things far away: concave lens. This object dips in like a bowl: concave lens. This object is thick in the middle: convex