Robotic Total Station
Spectra Geospatial Focus 50
The Spectra Geospatial® FOCUS® 50 is a robotic total station you can customize to fit your needs. Available in three models, with your choice of accuracy, the FOCUS 50 features the smoothness of MagDrive™, the stability of SurePoint™, and it is compatible with the latest Spectra Geospatial Origin software. The incredibly versatile instrument can be used with the Ranger 5, the Ranger 7, or a tablet. Easy-to-use, affordable and tough, the FOCUS 50 delivers high performance and versatility to tackle a variety of challenging and everyday surveying tasks.
Spectra Geospatial Focus 50
Simply More Powerful.
Spectra Geospatial Focus 50 Features
Quick and precise measurements
Achieve rapid and accurate measurements, ensuring your surveying tasks are completed with unmatched efficiency.
Silent MagDrive technology
Silent and precise, our MagDrive technology controls total station angles electromagnetically, ensuring accurate measurements and intuitive manual aiming with endless fine adjustment.
Tracklight on all models
Illuminate your work area with the Tracklight feature, ensuring visibility in all conditions for seamless surveying.
PIN code security feature
Safeguard your data with the PIN code security feature, providing an additional layer of protection for your valuable information.
FOCUS 50 and Origin software
Seamlessly learn and navigate with the FOCUS 50 and Origin software, designed together for an intuitive and user-friendly experience.
Spectra Geospatial Focus 50
Technical Specifications
Edm Specifications
Light source
Pulsed laserdiode 905 nm
Beam divergence
Horizontal: 4 cm/100 m
Vertical: 8 cm/100 m
Angle measurement
Sensor type
Absolute encoder with diametrical reading
Accuracy
1”, 2”, 3”, or 5”
Angle Display (least count)
0.1”
Automatic level compensator
Type: Centered dual-axis
Accuracy: 0.5” (0.15 mgon)
Range: ± 5.4’ (±100 mgon)
System Specifications
Laser class
EDM: Laser class 1
Laser pointer coaxial (standard): Laser class 2
Overall product laser class: Laser class 2
Leveling
Circular level in tribrach: 8’/2 mm
Electronic 2-axis level in the LC-display with a resolution of
0.3” (0.1 mgon)
Servo system
MagDrive™ servo technology, integrated servo/angle sensor
electromagnetic direct drive
– Rotation speed: 90 degrees/sec
– Rotation time Face 1 to Face 2: 3.2 sec
– Positioning time 180 degrees: 3.7 sec
– Clamps and slow motions: Servo-driven, endless fine
adjustment
Distance Measurement
Accuracy (ISO)
Prism mode | Standard mode: 1 mm + 2 ppm
Accuracy (RMSE)
Prism mode
Standard mode: 2 mm + 2 ppm
Tracking mode: 4 mm + 2 ppm
DR mode
Standard mode: 2 mm + 2 ppm
Tracking mode: 4 mm + 2 ppm
Extended Range: 10 mm + 2 ppm
Technology And Communication
Communication
Autolock™ Model: USB
Short Range Robotic Model: USB, Long Range Bluetooth®10
Long Range Robotic Model: USB, Short Range Bluetooth10,
Long Range Radio (internal/external 2.4 GHz frequency hopping, spread spectrum)
Other
Operating temperature: –20 °C to +50 °C
Storage temperature: –40 °C to +70 °C
Tracklight: Standard in all models
Dust and water proofing: IP65
Humidity: 100% Condensing
Security: Dual-layer password protection
AUTOLOCK™ TRACKING TECHNOLOGY
Autolock™ prism-tracking technology: Standard on all
models
Range: 700 m
Pointing precision at 200 m (Standard deviation): <2 mm
Shortest search distance: 0.2 m (0.65 ft)
Search time (typical)11: 2–10 sec
GPS SEARCH/GEOLOCK
Solution acquisition time12: 15–30 sec
Target re-acquisition time: <3 sec
Measurement
Measuring Time
Prism mode
Standard mode: 1.2 sec
Tracking mode: 0.4 sec
DR mode
Standard mode: 1–5 sec
Tracking mode: 0.4 sec
Measurement Range
Prism mode
1 prism: 2500 m
1 prism Long Range mode: 5500 m (max. range)
Shortest range: 0.2 m
DR mode:
White card: Good: 1,300 m, Normal: 1,300 m, Difficult: 1,200 m
Gray card: Good: 600 m, Normal: 600 m, Difficult: 550 m
Reflective foil 60 x 60 mm: 1200 m
Shortest range: 1 m
DR Extended Range Mode
White Card (90% reflective): 2200 m
Physical Features
Centering
Optical plummet: Built-in optical plummet
Optical plummet magnification: 2.3×
Shortest focusing distance: 0.5 m–infinity
Telescope
Magnification: 30×
Aperture: 40 mm
Field of view at 100 m: 2.6 m at 100 m
Shortest focusing distance: 1.5 m –infinity
Illuminated crosshair: Variable (10 steps)
Power supply
Rechargeable Li-Ion battery: 10.8 V, 6.5 Ah
Operating time9
– One internal battery: up to 7.5 hours
– Three batteries in multi-battery adapter and one internal:
up to 30 hours
Weight and Dimensions
Instrument (Autolock™): 5.4 kg
Instrument (Short Range Robotic): 5.4 kg
Instrument (Long Range Robotic): 5.5 kg
Tribrach: 0.7 kg
Internal battery: 0.35 kg
Trunnion axis height: 196 mm