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.
 
PRODUCT HIGHLIGHTS
 
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
 
TECHNICAL DATA
 
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