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Specification
Magnification:
Varies automatically from 4x at zero focus to 46x at infinity
Focusing range: Zero to infinity
Straightness of line of sight:
+ 0.002″ (0 to 50′); + 0.004″ (50′ to 100′); 0.5 arcseconds beyond 100′
Field of view: 37 minutes at infinity, 42 mm at zero focus
Effective aperture: 42 mm
Optics: Fully coated optics used throughout
Reticle:
All-purpose, double glass, dustproof; cross-pattern with single lines
Eyepiece:
Fully erect image; diopter scale. Right-angle eyepiece and complete projection accessories available.
Optical micrometer:
? Built-in horizontal and vertical optical micrometers
? Displacement: ± 1.2 mm, direct reading to 0.02 mm
? Accuracy: ±0.005 mm over full range
? Scale graduations are red and black to indicate direction of displacement
Focusing knob:
Drum graduated to show focusing distance in meters
Telescope barrel:
Made of through hardened stabilized stainless steel
Barrel diameter:
57.14492 mm (+0, -0.0076 mm) or 2.2498″ (+0″, -0.0003″) – meets A.I.A. specifications
Barrel length: 23.3 cm
Overall length: 45.1 cm
Approx. weight: 5.23 kg
Features
It has two built-in optical micrometers which measure at right angles to each other. They allow measurement of lateral shifts perpendicularly from the line of sight, in both the horizontal and vertical directions. The 2024 has a built-in autoreflection target on its objective lens and includes our model 509 autocollimation illumination unit.
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