- Aspherical Lens Elements
- BAK4 Porro Prisms
- Fully Multicoated Optics
- Angle of View: 6°
- Minimum Focus of 20"
- Center Focusing
- Twist-Up Eyecups
- 1/4"-20 Tripod Socket
- Pentax 8.5x21 U-Series Papilio II Binocular
- Eyepiece Covers
- Neck Strap
- Carrying Case
- Limited Lifetime Warranty