User manual LEICA M80

[. . . ] Leica M50 Leica M60 Leica M80 User Manual General Instructions Safety concept Before using your microscope for the first time, please read the "Safety concept" brochure included with your instrument. It contains additional information about handling and care. Use in clean rooms The Leica M series can be used in clean rooms without any problems. Cleaning Do not use any unsuitable cleaning agents, chemicals or techniques for cleaning. [. . . ] Push the eyepieces together or separate them until you see a circular image. Slowly approach the eyepieces with your eyes until you can see the complete image field without corner cutting. Leica M-series User Manual 30 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 graticules that enable measuring and quantifying of specimens. Dioptric correction A built-in dioptric correction is available for eyeglass wearers. If an eyepiece is equipped with the integrated dioptric correction, turn the value to the "0" mark. Hold the eyepiece firmly and rotate the eyecups forwards counterclockwise. 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 integrated 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 38). 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 31 Focusing Focusing raises or lowers the stereomicroscope using the focusing drive. The specimen detail is brought into sharp focus as soon as it is in the focal point of the objective. The focusing drive can be operated either left- or right-handed. · load of up to 15 kg. ment is 1 µm. The coarse/fine adjustment carries a The resolution of the coarse/fine adjust- Leica M-series User Manual 32 Adjusting the Resistance of the Focus Drive Adjusting the resistance Is the focus movement too loose or too tight?Does the outfit tend to slide downwards?The resistance can be adjusted individually depending on the equipment weight and personal preferences as follows: 1. Grip the outer drive knobs with both hands and turn them towards each other until the desired resistance is reached during focusing. Leica M-series User Manual 33 Changing the Magnification (Zoom) All M series microscopes have an integrated zoom. The name indicates the zoom range covered: Leica M50 Leica M60 Leica M80 = 5 increments = 6:1 zoom = 8:1 zoom Zooming 1. Rotate the magnification changer until the desired magnification is configured. The rotary knob for the zoom can be used either left or right-handed. Leica M-series User Manual 34 Ratchet Steps and Magnification Levels The zoom button can optionally be operated either with or without ratchet steps. Continuous zoom is possible when the ratchet steps are disabled, which many users find convenient. On the other hand, when the ratchet steps are enabled, photographs, measurement results etc. [. . . ] 420 54 28. 5 400 600 Leica M-series User Manual 61 600 min. 420 Appendix Leica M-series User Manual 62 Calculating the Total Magnification and Field of View Diameter Parameter MO ME z q r Magnification of objective Magnification of eyepiece Magnification changer position Tube factor, e. g. 1. 5× for coaxial incident light, 1. 6× for 45° ErgoTubeTM Factor 1. 25x if the planachromatic and planapochromatic objectives of the MZ125/MZ16 are used on the MS5, MZ6, MZ75 or MZ95 Field number of the eyepiece. Field numbers are printed on the eyepieces: 10× = 21, 16× = 14, 25× = 9. 5, 40× = 6. [. . . ]