| CPC F21V 31/005 (2013.01) [G02B 7/021 (2013.01); G02B 27/0006 (2013.01)] | 18 Claims |

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1. A multi-lens device, comprising: a volumetrically flexible compartment fluidly coupled to a gap between a first lens and a second lens of a lens assembly, and a desiccant arranged between the flexible compartment and the gap, wherein the gap and the flexible compartment are hermetically sealed from outside of the lens assembly.
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