5 Specifications
54 Spectra Precision Focus 8 Series Total Station User Guide
Main body
Telescope
Measurement range
Distances shorter than 1.5 m (4.92 ft) cannot be measured with this EDM.
Measurement range with no haze, visibility over 40 km (25 miles)
• The target should not receive direct sunlight.
• “Reference target” refers to a white, highly reflective material. (KGC90%)
• The maximum measurement range of Focus 8 2" is 500 m in the reflectorless
mode.
Tube length 125 mm (4.91 in.)
Magnification 30 X
Effective diameter of objective
Focus 8 2" 40 mm (1.57 in.)
EDM 45 mm (1.77 in.)
Focus 8 5" 45 mm (1.77 in.)
EDM 50 mm (1.97 in.)
Image Erect
Field of view 1°20'
2.3 m at 100 m (2.3 ft at 100 ft)
Resolving power 3.0''
Focusing distance 1.5 m to infinity (4.92 ft to infinity)
Focus 8 2"
Prism mode
Reflector sheet (5 cm x 5 cm) 270 m (886 ft)
Standard prism (1P) 3,000 m (9,840 ft)
Reflectorless mode
Reference target 300 m (984 ft)
Focus 8 5"
Prism mode
Reflector sheet (5 cm x 5 cm) 300 m (984 ft)
Standard prism (1P) 5,000 m (16,400 ft)
Reflectorless mode
Reference target 300 m (984 ft)