Breakthrough Photography 77mm X4 Dark 3-Stop Circular Polarizer Filter

The Breakthrough Photography 77mm X4 Dark 3-Stop Circular Polarizer Filter is an incredibly sharp, color neutral CPL with a high light transmission. The X4 Dark 3-Stop CPL features ultra-clear Schoot Superwhite B27 optical crown glass made with the highest purity raw materials and our cutting edge MRC16 and nanotec nano coatings. At the core of the X4 is our all-new, internally designed CPL film made in the USA. 

Features:

• Schoot Superwhite B270 optical glass (Made in Germany)
• Internally designed CPL film (Made in the USA)
• Nanotec Nano Coating technology
• Color coded frame
• Polarizer guide symbols
• Precision machined brass traction frame
• Weather sealed
• 25 Year Ironclad Guarantee
  

In the box:
1x Breakthrough Photography 77mm X4 Dark 3-Stop Circular Polarizer Filter