
Kowan 58mm protective filter, developed to protect the lens surface of the objective and telescope from dirt, dust and scratches. The filter is impact resistant and scratch resistant, making it an ideal filter for regular use. Since the filter is completely colorless, it does not affect color reproduction at all.
Featuring Kowa's unique KR coating, which reduces dust, moisture and dirt build-up on the surface. The filter fits directly onto the telescope body and also allows the use of an integrated lens hood.
Compatibility:
Kowa TSN-55A telescope