- Effective Diameter of Objective Lens: 66mm
- Minimum Focusing Distance: 6m
- Main Body Length: 311mm
- Main Body Weight: 1,040g
- Warranty: Lifetime of the product
Product Highlights These high-performance models have been created by taking the superior qualities of the TSN-820M Series and putting them into a smaller, more compact scope. These sophisticated scopes satisfy the needs of users in all fields, from beginning bird watchers to scientific researchers. Features Highest Level of Optical Performance The 66mm diameter objective lens has more than 120% light gathering power of the 60mm objective lens. All optics are fully multi-coated for brighter, clearer and sharper viewing. Prominar ED models are also available for even better optical performance with optimum color definition. Compact and Light Weight Main body length of about 30cm and weight of only 1 kg. Available in Angled or Straight viewing types with the Kowa easy-to-use functions. Fully Water-Proof Body An all weather scope completely sealed making it fully water-proof. Nitrogen gas purged to prevent the lens from fogging. "Not intended for underwater use".