Today Sigma announced a new high quality protective filter made of Ceramic Glass that has the following key features:
- It’s 10 times stronger than conventional filters
- It’s scratch resistant
- It’s water repellant (it also helps to easily remove fingerprints).
- It’s coating’s antistatic function helps prevent static electricity from attracting dust and other particles.
There is yet no info about the pricing and shipment date of the new filter. A full intro video can be seen here: