- First S-series models to feature ED (Extra-low dispersion) glass elements, assuring a clear, high-contrast view of the image field and effective compensate of chromatic aberration
- Large objective lenses incorporated in the design allow for contract-rich, bright viewing under all light conditions.
- 42-millimeter-diameter objective lenses to assure outstanding viewing performance, effortless observation of the subject and great operability
- Application of a full multi-coating process and a special coating process designed to optimize light transmittance, assuring a clear view of the subject with minimal glare and ghost images.
- Waterproof construction equivalent to JIS Class 6 standards for dependable use in adverse weather conditions.
- Available in SD 7x42 ED & SD 10x42 ED
SD ED Series