Nikon's 6B autocollimator checks alignment and measures very small angular deviations to measure flatness or height by simple geometry. The 6B brightfield model projects a dark cross and illuminates the surface so you can see details. Provides measuring accuracy down to 0.5 arc seconds.

Readings of angular displacement of 0.5 second of arc using an easy-to-read large-diameter micrometer drum.

The 6B employs a 70mm aperture lens to product clear, reflected images. It also features extremely accurate double line reticles for improved detection.

The 6B Autocollimator makes high-precision measurements simultaneously on two axes with the brightfield technique.

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