Each of my lenses that has threads for a filter has a filter on it. While some photographers might assert this robs the lens of a small amount of sharpness, I can attest that filters have saved my lenses on a number of occasions.

Each of my lenses that has threads for a filter has a filter on it. While some photographers might assert this robs the lens of a small amount of sharpness, I can attest that filters have saved my lenses on a number of occasions.

Each of my lenses that has threads for a filter has a filter on it. While some photographers might assert this robs the lens of a small amount of sharpness, I can attest that filters have saved my lenses on a number of occasions.