The Rangemaster CRF 2400-R is the best entry-level model for those who value reliable results on rough terrain.
Flexible, easy to handle, and with basic ballistics functionality.
The Rangemaster CRF 2400-R precisely measures both linear distance and horizontal distance.
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Items in stock typically ships within 2 days, items not in stock may take approx 14 days for shipping
When your target is uphill or downhill from your position, it’s essential to ensure that distance measurements are corrected accurately. With remarkable accuracy and versatility, the equivalent horizontal range (EHR) can be calculated from 10 to 1,200 yds/1,100 m, making the Rangemaster CRF 2400-R ideal for bow hunting, as well. A single press of a button displays the distance to the target and the equivalent horizontal range; the unit of measurement can be changed as easily.
Additional features include a wide field of view, allowing rapid detection of the target even at long range, and an innovative LED display with automatic brightness control. This display is particularly helpful in difficult lighting conditions, as it provides clear information without obscuring the target.
| Delivery scope | Carrying cord, battery, cordura case |
| Magnification | 7 x |
| Front lens diameter | 24 mm |
| Exit pupil | 3.4 mm |
| Twilight factor | 13 |
| Field of view at 1,000 yds / 1,000 m | 347 ft / 115 m |
| Eye-relief | 15 mm |
| Objective angle of view | 6.5° |
| Diopter compensation | ± 3.5 diopters |
| Distance measurement: | |
| Range | 10 yds to 2,400 yds / 10 m to 2,200 m |
| Equivalent horizontal range (EHR) | up to 874 yds / 800 m |
| Measuring accuracy | to 400 yds / 366 m approx. ± 1 yd/m to 800 yds / 732 m approx. ± 2 yds/m over 800 yds / 732 m approx. ± 0,5 % |
| Temperature (function) | –4 up to 131 °F / –20 up to +55 °C |
| Read-outs | precise LED display with decimals, easily legible in any light |
| Eyepieces for eyeglass wearers | yes |
| Eyecups | turn down rubber eyecups |
| Prism system | Roof prism with phase correction coating P40 |
| Coating | AquaDura® lens coating |
| Laser | Eye-safe invisible laser according to EN and FDA class1 |
| Laser beam divergence | approx. 0.5 x 2.5 mrad |
| Measuring time | maximum approx. 0.3 s |
| Measuring mode | Scanning mode, single measurement |
| microSD slot | yes |
| Battery | 1 x 3 V/Lithium-type C2R |
| Battery lifetime | approx. 3,000 measurements at 20 °C / 68 °F |
| Watertightness | Watertight to a depth of 3.2 ft / 1 m |
| Housing | Carbon fibre-reinforced plastic material |
| Dimensions (W x H x D) | 4.5 x 2.25 x 1.25 in / 113 x 75 x 34 mm |
| Weight | approx. 6.5 oz / 185 g incl. battery |
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