ANNEX
Axio Lab.A1
List of abbreviations Carl Zeiss
04/2013 430037-7144-001 113
6 ANNEX
6.1 List of abbreviations
AC Alternating current
BL Bertrand lens
Br. Suitability for spectacle wearers
CSA Canadian Standards Association
D Frame glass thickness
D Darkfield
d Diameter (e.g. filter)
DIC Differential Interference Contrast
DIN Deutsches Institut für Normung (German Standards Institute)
EC European Community
EN Euronorm (European standard)
Ergo Ergonomic
FL Fluorescence
foc. focusable
fot photographic
H brightfield
IEC International Electrotechnical Commission
IP Internal protection (through housing)
ISO International Standardization Organization
L Left (Drive knob left on mechanical stage)
LED Light emitting diode
Ph Phase contrast
PL Plan
Pol Polarization
P&C Push&click
R Right (drive knob to right of mechanical stage)
SLR Single lens reflex
SW Width across flats
T Delayed action (fuse type)
TIC Total interference contrast in circular polarized light
TL Transmitted light
UL Underwriter Laboratories
UV Ultraviolet
VAC Volt AC
vis visual
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