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
| 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 (°) |
7,0 |
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,
Carrying strap with quick release fastener |
Ocular and objective cover,
Carrying strap with quick release fastener |
