I do still have the Zeiss RF binos. I have never had issues ranging out to 1000 yards + on animals. The specs are as follows:
Specifications
Specifications
Item Condition | New |
Weight: | 35oz |
Dimensions: | 6.6"H x 5.3"W |
Eye Relief: | 15.5mm |
Field of View: | 330ft @ 1,000 yards |
Exit Pupil: | 4.5mm |
Interpupillary Distance | 54-76mm |
Twilight Factor: | 21.2 |
Range: | 10-1,300 yards, +/- 1yd @ 600yds |
Close Focus Range: | 18ft |
Objective Diameter | 45mm |
Laser | Class 1 904nm 0.5 sec Measuring Time |
Angle Compensation | No |
Measuring Time | .5 seconds max |
Measurement Units | Yards/Meters |
Beam Divergence | 1.6 x 0.5 mrad |
Battery Type | (1) 3V CR-2, >10,000 measurements at 20° C |