The Butler Creek Flip-Open Eyepiece Scope Cover in Size 01 is a slip-on protective cap designed for 1.34″ / 34.1 mm oculars. It uses a fast flip-open mechanism and friction mounts to protect lenses from dust and moisture while remaining ready for immediate use. The cap is ambidextrous and built from durable polymer suitable for everyday field use.
Key Specifications
- The eyepiece fits a tube diameter of 1.34″ / 34.10 mm.
- The material is plastic for lightweight durability.
- The finish/color is black.
- The product is listed as Size 01 (eyepiece/ocular fit).
- The cover uses a fast, flip-open design for quick deployment.
- The hinge mechanism is described as silent spring operation.
- The mount is a custom-fit friction style that secures to the scope tube.
- An air-tight semi-O-ring is used to keep out dust and moisture.
- The product is noted as truly ambidextrous for right- or left-hand use.
- The listed overall dimensions are 1.60 x 2.85 x 4.90.
Compact and reliable, this eyepiece cover protects optical gear without adding bulk and opens with a single thumb motion for fast access. Its slip-on, friction-fit design and sealed O-ring construction make it a practical choice for optics carried in the field, on the range, or in transit.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.




