vizor hr pro spare lenses

Close both temples.

Tilt both lens lock-systems forward to release filter.

Release the filter from the upper recess over the nose section.

Then take the filter out of the recess in the area of ​​the nose.

The temples must be closed. The lens-lock system must be pushed towards the temple.

First insert the filter in the upper recess.

Then push the filter into the nose area recess.

Push both lens lock-systems down again to secure the filter in place.