• Aluminum-Alloy Construction
  • Holder for Filters 150mm-Wide,2mm-Thick
  • Slots for 2 Rectangular Filters
  • Rotates 360 degrees
  • No Vignetting
  • Rapid Installation and Quick Release
  • Allows the use of 2 square filters with an integrated rotating PRO CPL
  • For Tamron 15-30mm F2.8