PLR Optics 40.5MM Snap Mount Lens Cap For The Nikon 1 J1, J2, J3, J4, V1, V2, V3, AW1, S2, S1 Digital SLR Cameras Which Have Any Of These (10-30mm, 30-110mm, 10mm) Nikon 1 Lenses Made of Durable Plasric Composite Provides Secure Protection For Your Lenses & Filters Compatible With All Lenses Which Accept Threaded Lenses * Filter thread of Lens Must Be The Same MM As The Snap Mount