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About the iCS

Explore the latest advancements in layout technology with a side-by-side comparison of Leica's new iCS20 and iCS50. Designed to replace the tried and true 3D DISTO, both models bring new levels of accuracy, efficiency, and user-friendly features.

On this page, find key specifications, performance capabilities, and unique strengths of each model to help you determine the best fit for your projects. Whether you're focused on enhanced positioning, ease of use, or advanced connectivity, this comparison page is your go-to guide for choosing the right tool to elevate your workflow.

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3D Point Accuracy
Highlight differences	iCON iCS20	iCON iCS50
Laser	1.0 mm @ 10 m (0.04 in @ 33 ft) 2.5 mm @ 50 m (0.10 in @ 164 ft) 10.5 mm @ 250 m (0.41 in @ 820 ft)*	1.0 mm @ 10 m (0.04 in @ 33 ft) 2.0 mm @ 50 m (0.08 in @ 164 ft) 8.0 mm @ 250 m (0.31 in @ 820 ft)*
vPen	1.5 mm @ 10 m (0.06 in @ 33 ft)**	1.0 mm @ 10 m (0.04 in @ 33 ft)
vSphere	3.0 mm @ 50 m (0.12 in @ 164 ft)**	1.0 mm @ 10 m (0.04 in @ 33 ft)
vPole tip	3.0 mm @ 50 m (0.12 in @ 164 ft)****	3.0 mm @ 50 m (0.12 in @ 164 ft)****
Angular Measurement
Standard Deviation ISO 17123-3	5" (1.54 mgon)	3" (0.93 mgon)
Working range	horizontal (Hz): 360°, vertical (V): 290°	horizontal (Hz): 360°, vertical (V): 290°
Distance Measurement
Reflectorless range (Kodak White)	0.3 to 50 / 250 m (0.98 - 164 / 820 ft)*	0.3 to 50 / 250 m (0.98 - 164 / 820 ft)*
Reflectorless Range (Kodak Gray)	0.3 to 50 / 120 m (0.98 - 164 / 394 ft)*	0.3 to 50 / 120 m (0.98 - 164 / 394 ft)*
Standard prism (GPR1) Range	3.0 to 50 / 250 m (9.84 - 164 / 820 ft)*	3.0 to 50 / 250 m (9.84 - 164 / 820 ft)*
Reflective tape (GZM31) Range	1.0 to 50 / 150 m (3.28 - 164 / 492 ft)*	1.0 to 50 / 150 m (3.28 - 164 / 492 ft)*
vTarget (CVT3, CVT6) Range	1.2 to 40 m (3.94 - 131 ft)***	1.2 to 40 m (3.94 - 131 ft)***
vPen Range	0.7 to 10 m (2.30 - 33 ft)**	0.7 to 10 m (2.30 - 33 ft)**
vSphere Range	1.5 to 50 m (4.92 - 164 ft)**	1.5 to 50 m (4.92 - 164 ft)**
Non-Prism / Any surface Accuracy	1.0 mm @ 10 m (0.04 in @ 33 ft) 1.5 mm @ 50 m (0.06 in @ 164 ft) 6.0 mm @ 250 m (0.24 in @ 820 ft)*	<1.0 mm @ 10 m (<0.04 in @ 33 ft) 1.5 mm @ 50 m (0.06 in @ 164 ft) 6.0 mm @ 250 m (0.24 in @ 820 ft)*
Standard prism (GPR1) Accuracy	1.5 mm @ 50 m (0.06 in @ 164 ft) 3.5 mm @ 250 m (0.14 in @ 820 ft)*	1.5 mm @ 50 m (0.06 in @ 164 ft) 3.5 mm @ 250 m (0.14 in @ 820 ft)*
Reflective tape (GZM31) Accuracy	1.5 mm @ 50 m (0.06 in @ 164 ft) 2.5 mm @ 150 m (0.08 in @ 492 ft)*	1.5 mm @ 50 m (0.06 in @ 164 ft) 2.5 mm @ 150 m (0.08 in @ 492 ft)*
Laser dot size	17.2 x 27.3 mm @ 50 m (0.68 in x 1.41 in @ 164 ft)	17.2 x 27.3 mm @ 50 m (0.68 in x 1.41 in @ 164 ft)
Automatic Aiming
Standard prism (GPR1)	3.0 to 250 m (9.84 to 820 ft)*	3.0 to 250 m (9.84 to 820 ft)*
vTarget	1.2 to 40 m (3.94 to 131 ft)***	1.2 to 40 m (3.94 to 131 ft)***
Camera
Overview camera (diagonal) FOV	27.6° (4.91 m @ 10 m / 16 ft @ 33 ft) / 12.33 MP	27.6° (4.91 m @ 10 m / 16 ft @ 33 ft) / 12.33 MP
On-Axis camera (diagonal) FOV	7.5° (1.31 m @ 10 m / 4.29 ft @ 33 ft) / 12.33 MP	7.5° (1.31 m @ 10 m / 4.29 ft @ 33 ft) / 12.33 MP
Fish-eye camera (circular) FOV	~200° (circular) / 13.31 MP	~200° (circular) / 13.31 MP
Zoom	16x	16x
General
Motorization	Motorized (robotic upgrade possible)	Robotic
Direct drives	180°/s	180°/s
Tilt compensation range	±3°	±3°
Interfaces	USB-C (2.0), WLAN	USB-C (2.0), WLAN
Weight	3.37 kg \| 7.43 lb	3.37 kg \| 7.43 lb
Dust / Water / Humidity Rating	IP54	IP54
Operating temperature	-20°C to +50°C \| -4°F to +122°F	-20°C to +50°C \| -4°F to +122°F
Charging temperature	0°C to +60°C \| 32°F to +140°F	0°C to +60°C \| 32°F to +140°F
Storage temperature	-25°C to +70°C \| -13°F to +158°F	-25°C to +70°C \| -13°F to +158°F
Power Management
Battery	Rechargeable Li-Ion	Rechargeable Li-Ion
Operating Time	> 8h	> 8h
Charging Time	70% in 1h, 100% in 2h	70% in 1h, 100% in 2h

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About the iCS