ANNEXCarl Zeiss List of Abbreviations Axio Vert.A1100 431030-7044-001 05/20126 ANNEX6.1 List of AbbreviationsA / AL Auflicht = reflected lightAC Alternating currentBioMed. Biological-medicalBr. Brillenträger-Eignung = Suitable for spectacle wearersCSA Canadian Standards Association (Canadian standards and testing agency)D Deckglasdicke = cover slip thicknessD / DF Dark fieldd Diameter (of a filter, for example)DIC Differential interference contrastDIN Deutsches Institut für Normung = German Institute for StandardizationDL / D Durchlicht = transmitted lightEG EC = European CommunityEN Euronorm = European StandardErgo Ergonomic / ergonomicsFL Fluorescencefoc. Focusablefot fotografisch = photographicH / HF Hellfeld = bright fieldiHMC improved Hoffman modulation contrastIEC International Electrotechnical CommissionIP Internal protection (degree of protection provided by the housing)ISO International Standardization OrganizationKorr Korrektion = correctionL Left (control knob on the left of the mechanical stage)LD Long distance (long working distance)LED Light-emitting diodeMAT MaterialPh Phase contrastPL PlaneP&C Push&ClickR Right (control knob on the right of the mechanical stage)RL Reflected lightSW Schlüsselweite = wrench sizeT träge = slow-acting (type of fuse)TL Transmitted lightUL Underwriter Laboratories (U.S. testing agency)UV UltravioletVAC Volts, alternating currentvis Visual(ly)