Automatic Level / Waterpass Nikon AP-7

Nikon AP-7 Automatic Level/ Waterpass

Key Features for AP-7 Automatic Level
The powerful 28x Nikon telescope has a 30mm objective aperture for bright, clear views of erect, unreversed images.
A minimum focusing distance of 0.75m ( 2.46 ft.) lets you work even in confined places.
The built-in magnetically dampened compensator automatically levels the line of sight within the range of ± 16' , with a setting accuracy of ± 0.5 " .
Standard deviation for a 1-km double-run level is as low as ± 2.0mm.
The horizontal motion knobs offer an unlimited range and can be operated with either hand.
A friction brake enables quick, easy setting.
The base plate is specially designed to mount on either flat- or domed-head tripods.
The detachable eyepiece lens can be replaced with an optional diagonal eyepiece prism.
The water-resistant body construction allows use in light rain or dusty conditions.
Specifications for AP-7 Automatic Level
Telescope: Magnification 28x; Stadia multiplier constant 100; Stadia additive constant + 10cm
Horizontal circle: Diameter of circle 110mm ( 4.3in.) ; Graduation interval 1° or 1gon; reading accuracy ( by estimation) ± 0.1° or 0.1gon
Standard deviation For 1-km double-run leveling: ± 2.0mm
Automatic compensator: Type Wire suspension, magnetically dampened; range ± 16' ; setting accuracy ± 0.5 "
Weight: 1.3kg ( 2.9 lbs.)