• Wider outer optic to help reduce vignetting at wide angles,Made of high quality optical glass by K&F Concept technology
• The K&F Concept Variable Neutral Density filter can take the place of a range of graded ND filters which saves money and time
• This Variable Density filter is an especially useful tool when creating motion blur in moving water such as waterfalls, rivers and crashing waves
• Compatible with the Sony（NEX-5TL NEX-3NL A5000 A6000 NEX-6 ILCE-5000L ILCE-6000L NEX-5RL）E PZ 16-50mm F3.5-5.6 OSS Lens.
• Brand of K&F Concept manufactured by a professional team.