Key Features Modular design for quick release assembly and disassembly; Incredibly lightweight and low-profile; Offers vignette-free performance across focal lengths ≥16mm; Compatible with Neutral Density Filter Kit (100x100mm / 100x150mm). SmallRig Filter Support 4654 is designed for landscape photography enthusiasts using 100mm filters in conjunction with the Matte Boxes with Adjustable Clamps (ID: 4409/4411/4412). Aligning with the adjustable clamp, the filter Support securely locks with a single press, allowing for easy disassembly by pushing the top slider. With the ability to accommodate up to 2 pieces of 100x100 / 100x150mm filters, the Support's slim design enables vignette-free shooting at focal lengths ≥16mm (for full-frame cameras and lenses), effectively minimizing glare under challenging conditions.Specifications Product Dimensions: 120 x 120 x 16mm Package Dimensions: 184 x 102.5 x 61mm Product Weight: 48g±5g Package Weight: 183g±5g Material(s): Aluminum Alloy, Nylon + Fiberglass, Stainless Steel