EXUS UV CUT L390 filter cuts UV rays at the wavelength of 390nm and under to reproduce a clear image of distant views, and protects your lens from dust and scratches.
The glass is resistant to adhesion of fine dirt and dust, and when fine dirt and dust does adhere, they can be easily blown off, allowing stress-free shooting.
High water repellency keeps water droplets off and allows easy maintenance.
Permanent Marker, like fingerprints, adheres to surface of the conventional filter, But it is repelled by the EXUS filter.
Light-blocking Ridges are equipped to the frame itself,to minimize diffused reflections.
Minimizes the surface reflection to get the original performance of the lens.
Thickness of Filter Glass
Thickness of Frame