Filters and Filter Holder for Tamron 15-30mm f/2.8 Di VC USD G2 - NiSi UK - NiSi Optics, NiSi Filters
M15 Filter Holder System for Tamron SP 15-30mm f/2.8 Di VC USD / G2 Lens & Pentax-D FA 15-30mm F2.8 ED SDM WR Lens - Walmart.com
Review: Tamron SP 15-30MM F/2.8 Di VC USD
Amazon.com: Haida M15 Filter Holder System for Tamron SP 15-30mm f/2.8 Di VC USD / G2 Lens & Pentax-D FA 15-30mm F2.8 ED SDM WR Lens : Electronics
NiSi 150mm Q Filter Holder For Tamron 15-30mm | NiSi Optics USA
WonderPana Filter Holder for Tamron 15-30mm SP F/2.8 Di VC USD (G1 & G – Fotodiox, Inc. USA
Haida M15 Filter Holder Kit for Select Tamron and Pentax HD4459
WonderPana Filter Holder for Tamron 15-30mm SP F/2.8 Di VC USD (G1 & G – Fotodiox, Inc. USA
Amazon.com : Hakuba Haida Rectangular Filter System for M15 Series, Adapter Ring for Tamron SP 15-30mm f/2.8 Di VC USD Lens, Tamron SP 15-30mm f/2.8 Di VC USD G2 Lens, Pentax-D FA