Pentax UD 9 X 21mm Black Compact Roof Prism Binoculars Navy Medium. With it's already incredibly compact design these Binoculars from Pentax are no doubt the most portable models Pentax has ever made. Fully multi-coated optics on the Pentax Compact Binocular allow it to outperform its competitors in such a brilliantly way. To meet the needs of today's modern outdoors enthusiast Pentax UD 9x21 Nature Binoculars have a minimum focusing distance of three meters for a sharp view of close-range subjects. For a great way to fulfill your binocular needs look no further than the Pentax UD 9 x 21mm Black Compact Roof Prism Binoculars. Specifications for Pentax UD 9 X 21mm Black Compact Roof Prism Binoculars: Manufacturer: Pentax Magnification: 9 x Objective Lens Diameter: 21 mm Eye Relief: 9.9 mm Exit Pupil: 2.3 mm Field of View Linear: 105 m at 1000 m Field of View Angle: 6 degrees Weight: 6.9 oz Magnification Type: Fixed Features of Pentax UD 9 X 21mm Black Compact Roof Prism Binoculars A minimum focusing distance of approximately three meters for a sharp view of close-range subjects Nonslip diopter rings for easy error-free diopter adjustment Use optional TP-3 tripod adapter to use binoculars with a tripod Package Contents: Pentax UD 9 X 21mm Black Compact Roof Prism Binoculars Pentax 61812: UD 9 X 21mm Black Compact Roof Prism Binoculars Navy Medium