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The accurate adjustment of the line of sight of a telescope
Answer for the clue "The accurate adjustment of the line of sight of a telescope ", 11 letters:
collimation
Word definitions for collimation in dictionaries
Wiktionary
Word definitions in Wiktionary
n. 1 the act of collimating or something collimated 2 aligning lenses along line of sight to minimize aberrations
WordNet
Word definitions in WordNet
n. the accurate adjustment of the line of sight of a telescope
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Collimation \Col`li*ma"tion\, n. [Cf. F. collimation, fr. a false reading (collimare) for L. collineare to direct in a straight line; col- + linea line. Cf. Collineation .] The act of collimating; the adjustment of the line of the sights, as the axial line ...
Usage examples of collimation.
Manlinkov is concerned about is that the aliens' failure to add adjustable collimation may be like our reasons for not making every shotgun double-barreled.
Manlinkov mentioned that the aliens chose not to add the variable collimation feature.
Sometimes they miss the obvious—the non-variable collimation of their X-ray laser hand weapons is a good example.
Rollins Collimation will allow the phasers to destroy the one-eyes without the explosions.
He could only wish now that he'd checked the collimation, made sure that the point of aim was aligned with the point of impact, because at five-hundred meters you didn't have to be out by much to miss by a country klick.
Its sealed interior probably still preserved something quite close to an Earth-normal atmosphere, and he decided against sacrificing that for an experiment in collimation which was probably too delicate to come off anyhow.