Leica M125 B, M165 C B Using the Eyepieces, Dioptric Correction, If you do not wear glasses

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Using the Eyepieces

The eyepieces form the connection between the tube and the eye of the observer. Simply push them into the tube and they are ready to use.

Each eyepiece offers a certain magnification factor that has a determinative effect on the total magnification. Furthermore, all Leica eyepieces can be equipped with practical grati- cules that enable measuring and quantifying of specimens.

Dioptric Correction

Abuilt-in dioptric correction is available for eyeglass wearers. For more information, refer to page 42

If you do not wear glasses:

1.Hold the eyepiece firmly and rotate the eyecups forwards counterclockwise.

2.If an eyepiece is equipped with the inte-

grated dioptric correction, turn the value to the "0" mark.

If you wear glasses:

1.Hold the eyepiece firmly and rotate the eyecups counterclockwise towards the rear, as otherwise the viewing distance is too great.

2.If an eyepiece is equipped with the inte- grated dioptric correction, turn the value to the "0" mark.

By the way, one benefit of viewing with eyeglasses is a drastically lower risk of bacterial transmission (see page 41). The soft material of the eyecup also ensures that your glasses will not be scratched, even if they contact the eyepiece.

Leica M series

User Manual

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Contents Living up to Life Copyright Risks arising from, using the microscope for Leica M125 B nameplateUse in clean rooms CleaningGeneral Notes ServicingImportant Safety Notes Symbols Used Important informationDisposal Explanatory notesSafety Instructions DescriptionIntended use of instrument Non-intended useRepairs, service work Only original Leica Microsystems spare parts may be usedTransport Integration in third-party productsLegal regulations EC Declaration of ConformityHealth risks Careful handlingLeica M165 C B External power supply for the focusingColumn Contents Leica TL5000 Ergo Transmitted Light Base Care, Maintenance, Contact PersonsDifferent Types of Objectives Leica M Series Congratulations Step Towards Infinity Fewer cables Maximum Compatibility ObjectivesAll new objectives of the Leica M series are parfocal TubesOn We Go Assembly Base and Focusing Column Assembling the column adapter Assembling the focusing driveTools used Allen key, 3 mmOptics carrier Tools used Assembling the Optics CarrierAllen key, 4 mm Place the optics carrier on the focus GrooveTube Tools usedNo tools required PreparationsMagnification range EyepiecesTools used Preparation Attaching the objective ObjectivePreparation Unpacking the base Focusing drive and column Bottom using the 4 Allen screwsTL5000 Ergo transmitted light base Base is delivered with the adapter plateWiring Connections Leica M165 C B New Leica M series features extensiveTerminal for the 50-watt power supply provided LaterCables Cable Duct Feeding the cablesQuick Start Guide Fastest Route to Success Overview of an M Series Microscope Adjusting the interpupillary distance Correct interpupillary distanceReference values Look into the eyepiecesUsing the Eyepieces Dioptric CorrectionIf you do not wear glasses If you wear glassesFocusing Focusing drive can be operated either left- or right-handedFocusing Coarse/fine adjustmentAdjusting the Resistance of the Focus Drive Adjusting the resistanceLook into the eyepieces Focus on the specimen Changing the Magnification ZoomZooming Magnifications and fields of view Click Stops and MagnificationsEnabling and disabling click stops Parfocality More Comfort and Convenience for Your Work Requirements for parfocal workParfocality Enlarge the view to the maximum level Focus on the specimenOpening the Iris Diaphragm Iris DiaphragmClosing the iris diaphragm Eyepieces Magnification Factor of the Eyepieces Following eyepieces are available for the M seriesHealth Notes Potential sources of infectionUsing the Dioptric Correction Dioptric CorrectionAdjusting Dioptric Correction and ParfocalityGraticules UseObjectives Optical Accessories Different Types of Objectives Achromatic objectivesPlanachromatic objective 1× Achromatic objectives with a long focal lengthBases Leica TL5000 Ergo Transmitted Light Base Controls Control for the size of the aperture/ balanceOff Switching the transmitted light base onLeica TL5000 Ergo Transmitted Light Base Operation Leica TL5000 Ergo Transmitted Light Base Operation Technical Data Power supply Leica TL5000 Ergo Transmitted Light BaseLight source ConnectionsAppendix Calculation example magnification in the binocular tube ParameterExample Care Care, Maintenance, Contact PersonsWarranty benefits Keep accessories in a dust-free place when not in use Cleaning polymer componentsProtection from dirt Dust and dirt will affect the quality of your results