Used only for testing. The condition is very good. This is a set including the filter holder and a dedicated adapter for the lens. Everything in the photos is included. KANI 100mm Wide Angle Square Filter HT100 III Filter Holder Set for SONY FE 12-24mm F4 G & FUJIFILM Fujinon Lens XF 8-16mm F2.8, with dedicated square filter, holds up to 2 filters, and includes a storage case. *Please review the following notes before purchasing. Set includes the HT100 III filter holder and a dedicated adapter for the lens. Enables various filter work with SONY FE 12-24mm F4 / FUJIFILM XF 8-16mm F2.8. Product Name: HT100 III Filter Holder for SONY FE 12-24mm F4 & FUJIFILM XF 8-16mm F2.8 (Model Number: K21202) External Dimensions (W x H x D): 130 x 115 x 30mm (Frame: 5mm) *Excluding protrusions / Body Weight: Approximately 150g (including adapter ring) With 2 slots, no vignetting from SONY: 16mm～/FUJI: 11mm～ in the vertical and horizontal positions. Number of holder slots at shipment: 2 (can be changed to 3 slots with included parts) Compatible square filters: KANI 100mm wide angle square filters (2mm thick) *Other company's filters may not be compatible. Thank you for viewing.