PUTTING THE INSTRUMENT INTO OPERATIONCarl Zeiss Mounting Standard Components Axio Vert.A142 431030-7044-001 05/20123.1.3 Inserting Eyepieces or an AuxiliaryMicroscope or a Diopter• Remove both dust caps (Fig. 3-3/1 and 4) fromthe binocular tube.• Take the two eyepieces (Fig. 3-3/2) out of thecontainer and insert them into the binoculartube as far as they will go.• The auxiliary microscope (Fig. 3-3/3) may beinserted into an eyepiece socket of thebinocular tube in place of an eyepiece. It servesto view aperture diaphragms and phase stopsor to center phase stops. Using the adjustableeye lens of the auxiliary microscope, you canfocus on those diaphragms and stops.• As an alternative to the auxiliary microscope,you can employ a diopter for viewing aperturediaphragms and phase stops or centering phasestops.3.1.4 Inserting an Eyepiece ReticleEyepiece reticles (Fig. 3-4/3) may be inserted intoeyepieces marked with a red dot.The slight image shift resulting from the additionalpath through glass is taken into account on thediopter scale in that the zero position is notindicated by the white dot, but by the red dot.Make sure the line figure always faces the fieldstop of the eyepiece.See to it that eyepiece reticles areinserted in dust-free conditions. Reticlesshould be inserted by Carl Zeiss servicepersonnel only.Fig. 3-3 Inserting EyepiecesFig. 3-4 Inserting an Eyepiece Reticle