Gebruiksaanwijzing /service van het product B523 van de fabrikant Leica
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Leica DB LB Research mi croscope and Stu do Lite Imaging so ftware Roo m B523 User Guide Molecular I maging Unit University of Helsinki www .m iu.helsin ki.
1 GENERA L USER INFORMATION .............................................................................. 1 2 SETTINGS FOR TRAN SMITTED LIGHT M ICROSCOPY...................................... 1 2.1 Turning on the microscope ..........................
1 1 General user information Leica DM LB research microscope is onl y for th e Molecular Canc er Biology (MCBP) and Genome-scale Biology (GSB ) r esearch p rograms internal us e. It i s a transmitted light microscope that cannot be used for fluorescence microscop y .
2 movement in y -direction (back and forth), lower in x -direction (side to side). If you need to rotate the stage to get the image in any wanted angle, open the rotation lock by unscrewing it and th en rotating the stage by ha nd (circle in Figure 2).
3 Objective Numerical Aperture (NA) Color ring Coverg lass (c .g.) thickness Position for auxili ary condensor lens N Plan 2.5x 0.07 Brown Any/without c.g. off N Plan 5x 0.12 Red Any/without c.g . off N Plan 10x 0.25 Yellow Any/without c.g. on N Plan 20x 0.
4 The fine focus has two modes: when the left focus wheel is pulled out, each l ine on the wheel equals 1 µ m of movement. When it is pushed in, each line equals 4 µ m of movement.
5 Figure 7. Dual viewing a ttachment Figure 8. Power source for the light pointer There is a light poin ter i n the viewing att achment that uses an external power sourc e. Thus, y ou need to connect the transformer into a power outlet b efore using the pointer (Figure 8).
6 Figure 9. Light pointer controls 2.8 Koehler illumination Koehler ill umination needs to be adjusted in the beginning of ever y imagi ng session for optimal illumination. Proceed as follows: Instruction View in eyepiece 1. Use 10x objective and front lens.
7 Instruction View in eyepiece 4. Center the diaphragm i n the field of view by r otating the condenser a djusti ng screws. In other words, you adjust the illuminating path so that it is pr operly aligned along the optical axis of the microscope.
8 2.9 Polarization contr ast Figure 10 . Analyzer for polarization contra st imaging Figure 11 . Polarizer For polarization contrast microscop y , an an alyzer (a polarizi ng filter) is inserted in th.
9 • Grun : a green panchromatic filter that was used for contrast enchantment for B/W photography These filters were used for fil m photography and are not useful for digital photography. However, when usin g low intensit y light (yellowish), DLF-filter adjusts the light back to the direction of blue, making the image more pleasant to view.
10 3 Image acquisition 3.1 Accessing the com puter If the computer is turned off, push the power b utton to turn it on. Whe n the lo gin screen appe ars, lo g in using y our hyad lo gin a ccount. C heck that the domain is set to LTDK. 3.2 View Finder applic ation A 10-bit Ol y mpus DP50 color CC D camera is attached on the t op of the microscope.
11 simply m ultiplied values, thus the same effect can be added later on in image editing software. Therefore, changing the value from 100 is not recommended. 3.3.3 Exposure Mode In the Exposure Mode box , select either Automatic or Manual : • Automatic ( AE) : The software mea sures the optim al expos ure ti me automatically.
12 Figure 16 . Histogram level adj ustment. Red square: levels butt on 3.3.6 Focus tool Focusing tool assi sts you i n focusing. If the focusing toolbar is not visible, enable it in the Options menu.
13 15). Make sure the stage do es not move at all between the images or image qualit y decreases. 3.4 Capturing the im age Press the Camera button next to the Live button to take an image.
14 3.6.2 Scale bars The Studio L ite software does not provide means to insert scale bars. They can be added later on in an y im age editing software such as Adobe Photoshop. R eady -made scale bars for the full resolution images are avail able at http://www.
15 • Cover the microscope with the red hood 6 T roubleshooting 6.1 There is no light • Microscope is not turned on (see Section 2.1) • Light intensity set too low (see 2.1 on page 1) • Do you see any light in t he lamp chamber? If not, the halogen bulb m ay n eed to be changed - contact MIU 6.
16 6.7 Computer login fa ils Check that: • domain is LTDK • use are usi ng y our h yad account user ID and p assword - the same ones you are using for accessing your university e-mail account.
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