5-1
5
SPEC
IFIC
A
T
ION
5. SPECIFICATIONS
5-1 Main Body
Telescope
Tube length:
152mm/5.98in.
Magnification: 28X
Effective diameter of objective:
38mm/1.50in. (EDM: 40mm/1.57in.)
Image: Erect
Field of view:
1°34’ (2.7m at 100m/2.7ft. at 100ft.)
Resolving power:
3.5”
Focusing distance:
1.2m/47.2in. to
∞
Focusing method:
Anallactic focusing
Angle measurement
Reading system:
Photoelectric incremental encoder
(Diametrical detection for H/V circles)
Circle diameter (reading):
88mm/3.46in. (79mm/3.11in.)
Minimum display increment
360°: 1”/5”
400G: 0.2mgon/1mgon
MIL6400: 0.005MIL/0.02MIL
DIN18723 accuracy:
5”/1.5mgon
Dual-axis tilt sensor (DTM-330: Single axis)
Method: Liquid-electric
detection
Compensation range:
±3’
EDM
Distance range with Nikon prisms
Under normal atmospheric conditions (ordinary haze with visibility about
20km/12.5miles)
With single prism:
1,200m/3,900ft.
With triple prism:
1,600m/5,300ft.
Under good atmospheric conditions (no haze with visibility over 40km/25miles)
With single prism:
1,500m/4,900ft.
With triple prism:
2,100m/6,900ft.
Содержание DTM-330
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