Assertion: microscope's objective | /r/HasProperty | chosen
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Source sentences:
text: Each time a new specimen or objective is chosen, the tutorial automatically reloads a random misalignment of the condenser annulus and objective phase ring.
text: Apochromatic objectives, the choice for most forms of microscopy, are generally not utilized for polarized light investigations due to the high number of internal lens elements that often contribute to internal reflections and strain.