VOCAS MB-430: 2 stage 4x5.65 inch mattebox,compendium with 2 filter fr

Two stage 4"x5.65" mattebox,compendium with two filter frames.

MB-430 features: 

• Two 4"x4" and 4"x5.65" combo filter frames, one rotatable
• A fixed 4"x5.65" filter compartment in the hood (3rd filter)
• Integrated side flag hinges in the hood
• Internal eyebrows
• Swing away option for 15mm and 19mm rails
• Fits directly on lens diameters up to 138mm
• Many step down adapter rings available including a new flexible adapter ring