A compact entry-level Porro prism model meant to take a beating, the Pentax 10x21 UCF-R Binocular is composed of a unique dual-axis body molding which gives it its uncommon strength.
|Objective Lens Diameter||21 mm|
|Angle of View||5.0°|
|Minimum Focus Distance||2.8 m|
|Exit Pupil Diameter||2.1 mm|
|Eye Relief||9 mm|
|Interpupillary Adjustment||9 to 11.1 mm|