Butler Creek's famous flip-open lens cover design with clear windows for fast target acquisition at close to medium ranges.

Features:

- Lenses crafted of optical-grade polymers for optimum clarity and light transmission are the best of any see-through cover
- Creates a weather-resistant seal
- Ambidextrous open and close
- Silent, spring-loaded operation
- Tested reliable in extreme conditions
- For objective and ocular lenses
- Size: 4