Bushnell's 8x40 Birder binocular gives nature observers everything they need to get started. This porro prism binocular is an exceptionally great value for the money. As a birding combo, it comes with the North American Bird Reference CD-Rom along with a Birding Journal which contains invaluable information for beginners.
This 8x40 binocular is also a valuable tool for a wide range of other applications such as sport events, horse racing, and hiking to name a few. Its wide viewing field offers steadiness and comfort. The binocular is quite robust in construction and is rubber armored to be shock resistant. It features high quality optics to provide bright and crisp images. A large center focus knob is incorporated to provide smooth and accurate focusing.
| Prism Type | Porro |
| Magnification | 8x |
| Objective Lens Diameter | 40 mm |
| Angle of View | 6.3° |
| Field-of-View | 330' @ 1000 yd / 109.56 m @ 1000 m |
| Minimum Focus Distance | 14.0' / 4.27 m |
| Exit Pupil Diameter | 5.0 mm |
| Eye Relief | 12 mm |
| Interpupillary Adjustment | Not Specified By Manufacturer |
| Dioptric Correction | Not Specified By Manufacturer |
| Focus Type | Center |
| Tripod Mount | Not Specified By Manufacturer |
| Dimensions | 7.0 x 2.4 x 6.5" / 17.78 x 6.10 x 16.51 cm |
| Weight | 1.14 lb / 517 g |