A (zoom lens) may pertain-to the world.Logical formLearned from11 sentences. A lens may retract into a body.Logical formLearned from11 sentences. A lens can be finished.Logical formLearned from11 sentences. A design can be for a lens.Logical formLearned from11 sentences. An image may pertain-to a lens.Logical formLearned from11 sentences. A lens may pertain-to a type.Logical formLearned from11 sentences. A lens can be in shape.Logical formLearned from11 sentences. (Lens elements) may pertain-to a male.Logical formLearned from11 sentences. A lens may pertain-to a conflict.Logical formLearned from11 sentences. A lens can be opaque.Logical formLearned from11 sentences. A lens of an eye can be cloudy.Logical formLearned from10 sentences. A structure may pertain-to a lens.Logical formLearned from10 sentences. A wide-angle lens may undergo a use.Logical formLearned from10 sentences. A ring may pertain-to a lens.Logical formLearned from10 sentences. A (meniscus lens) can be simple.Logical formLearned from10 sentences.