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eyepiece
okular

save eyepiece
okular

eyepiece fov:
okularets synsfelt:

antidim eyepiece
dugfrit glas

eyepiece-holder tube
okularholderrør

eyepiece focal length:
okularets brændvidde:

eyepiece focal length, in millimetres
okularets brændvidde i millimeter

field-of-view of the eyepiece, in arcminutes
okularets synsfelt i bueminutter

the pocket ionization chamber can be read on an optical scale visible through an eyepiece but an external charging unit is required.
lommeioni­sationskammeret kan aflæses på en optisk skala, der kan ses gennem et okular, men der kræves en ekstern opladningsenhed.

eyepieces
okularer