The 15-40x50 Colorado Spotting Scope from Barska is a lightweight zoom spotting scope useful for bird watching and spotting at the target range. Multicoated glass and a BK-7 Porro prism transmit bright contrast-rich images throughout the entire zoom range. An included mini tripod is foldable and convenient for terrain navigation and nature observation on-the-go.
| Magnification | 15.0 - 40.0x |
| Objective Lens Diameter | 50 mm |
| Angle of View | 1.5 - 3° |
| Field of View | 45 - 150 ft (13.7 - 45.7 m) at 1000 yd |
| Minimum Focus Distance | 8 ft (2.4 m) |
| Exit Pupil Diameter | 1.25 - 3.57 mm |
| Eye Relief | 10 - 13 mm |
| Weatherproofing | N/A |
| Dimensions | 9.5 x 2.6 x 3.5" (24 x 6.6 x 9 cm) |
| Weight | 15.8 oz (448 g) |