Designed with NiSi Athena full-frame prime lenses featuring a drop-in filter slot Darkens the overall image by 2 stops Enables slower shutter speed utilization Facilitates wider aperture settings Delivers full-spectrum neutrality for authentic, true-to-life outcomes Enhanced with NiSi Optical Nano Coating technology Crafted from high-quality optical glass Encased in a lightweight yet robust aluminum frame Comes with a convenient carry case for easy transportation