KAHLES | HELIA 42 RF - 8x42
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KAHLES | HELIA 42 RF - 8x42
The lightweight and ergonomic HELIA 42 RF perfectly combines brilliant optics with reliable targeting up to 1,500 m on common hunting targets (deer, tree). It stands out for intuitive simple handling and useful hunting features like patented EAC (Enhanced Angle Compensation) and scan mode.
▪ Easy and reliable targeting up to 1,500 m on common hunting targets
▪ Intuitive simple menu navigation
▪ Patented EAC-function (Enhanced Angle Compensation) for angle correction
▪ Long-range (LR) function for ranging easy to detect targets up to 4,500 m
▪ Premium-quality OLED display with five manual brightness settings and display in meter or yards
▪ Scan Mode, temperature and air pressure display
▪ Extra long battery lifetime ~ 4,000 measurements
▪ Intuitive simple menu navigation
▪ Patented EAC-function (Enhanced Angle Compensation) for angle correction
▪ Long-range (LR) function for ranging easy to detect targets up to 4,500 m
▪ Premium-quality OLED display with five manual brightness settings and display in meter or yards
▪ Scan Mode, temperature and air pressure display
▪ Extra long battery lifetime ~ 4,000 measurements
| HELIA 42 RF | 8x42 | 10x42 |
| Magnification | 8 | 10 |
| Objective lens diameter (mm) | 42 | 42 |
| Eye relief (mm) | 18 | 16 |
| Exit pupil diameter (mm) | 5,3 | 4,2 |
| Pupil distance (mm) | 58 - 73 | 58 - 73 |
| Twilight factor (ISO 14132-1) | 18,3 | 20,5 |
| Field of view (m/1.000m) | 122 | 107 |
| Field of view (°) | 7 | 6,1 |
| Field of view apparent (°) | 56 | 61 |
| Near focus (m) | 5 | 5 |
| Diopter compensation (dpt) | ± 4 | ± 4 |
| Measure range - standard (m) | 5 - 1.500 | 5 - 1.500 |
| Measure range - LR (m) easy to measure targets | up to 4.500 | up to 4.500 |
| Range-finding accuracy (m) | +/- 1 up to 100 | +/- 1 up to 100 |
| +/- 2 up to 1.000 | +/- 2 up to 1.000 | |
| +/- 0,5% over 1.000 | +/- 0,5% over 1.000 | |
| Display type | OLED | OLED |
| Brightness levels | 5 | 5 |
| Measurement duration | 1 s | 1 s |
| Display Auto-off | 5 s | 5 s |
| Adjustment position twist-in eye cups | 4 | 4 |
| Waterproof (nitrogen filling) | √ | √ |
| Height x Width x Depth approximately (mm) | 145 x 132 x 73 | 145 x 132 x 73 |
| Weight (g) | 900 | 900 |
| m/yds display | √ | √ |
| Laser category | 1M | 1M |
| Single measurement | √ | √ |
| Scan measurement | √ | √ |
| Angle correction | EAC-Function | EAC-Function |
| LR measurement | √ | √ |
| Temperature measurement | √ | √ |
| Air pressure measurement | √ | √ |
| Battery type | CR2 Lithium (3V DC) | CR2 Lithium (3V DC) |
| Battery lifetime | ~ 4.000 range cycles | ~ 4.000 range cycles |
| Guarantee | 10 years | 10 years |
| Guarantee electronics | 2 years | 2 years |
| Operating temperature mechanical (°C) | -10 / +55 | -10 / +55 |
| Operating temperature electronical (°C) | -10 / +55 | -10 / +55 |
| Accessories (inclusive) | Ocular and objective cover, | Ocular and objective cover, |
| Carrying strap w/ quick release fastener | Carrying strap w/ quick release fastener |
Assume the distance from the target is 400 m
Assume an angle of 40°
Rifleman's rule result: 306 m
EAC function result: 321 m
As the example shows, the distance determined by the EAC function differs from that of the rifleman's rule by 15 m, a distance which, depending on calibre, projectile, barrel length, etc. can already have a significant impact on the accuracy of a shot.
For more information, please visit the home page for this product.