Fashionable UCF-Series Binoculars: UCF R
| Models | 8 x 21 UCF R | 10 x 21 UCF R |
|---|---|---|
| Type | Porro prism, center focusing (Linked-dual-axis) | |
| Lens construction | (Objective lens)2 elements in 1 group (Eyepiece lens)3 elements in 2 groups |
|
| Magnification | 8X | 10X |
| Objective lens Diameter | 21mm | 21mm |
| Real field of view | 6.2° | 5.0° |
| Apparent field of view | 50° | 50° |
| Field of view at 1000m | 108m | 87m |
| Field of view at 1000 yard | 324ft | 261 ft |
| Exit pupil | 2.6mm | 2.1mm |
| Eye Relief | 13mm | 9.5mm |
| Relative Brightness | 6.7 | 4.4 |
| Diopter adjustment range | ±4m-1 | |
| Eye Width adjustment range | 58 - 72mm 2.3 - 2.8 inches |
|
| Focusing range | Approximately 2.8m to infinity Approximately 9.2ft to infinity |
|
| Eyepiece ring | Slide type | |
| Body color | Black | |
| Height & Width | 83 x 110mm 3.2 x 4.3 inches |
80 x 110mm 3.1 x 4.3 inches |
| Thickness | 48mm 1.9 inches |
|
| Weight | 210g 7.4 oz. |
|
| Accessories | Eyepiece lens cap, Case, Strap | |
