Olympus BH2 Series Manuale - Pagina 2

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Olympus BH2 Series Manuale
Introduction ............................................................................................................................................................................ 3
Scope of this Document ...................................................................................................................................................... 3
What is Phase Contrast? ......................................................................................................................................................... 3
How Does Phase Contrast Work? ........................................................................................................................................... 3
Phase Contrast Types .............................................................................................................................................................. 3
Setting Up for Phase Contrast Microscopy ............................................................................................................................. 3
Match Selector Dial with the Low-Power Objective ........................................................................................................... 4
Replace Eyepiece with Phase-Centering Telescope ............................................................................................................ 4
Focus the Phase-Centering Telescope ................................................................................................................................ 4
Center the Selected Phase Annulus .................................................................................................................................... 5
Center the Remaining Phase Annuli ................................................................................................................................... 5
Replace Centering Telescope with the Eyepiece ................................................................................................................ 5
Place Green/Yellow Filter into Filter Receptacle ................................................................................................................ 5
Using Phase Contrast .............................................................................................................................................................. 6
Periodically Verify Centering of the Phase Annuli .............................................................................................................. 6
About the Phase Contrast Filter .......................................................................................................................................... 6
Phase Contrast Artifacts .......................................................................................................................................................... 6
How To Contact the Author .................................................................................................................................................... 6
Figure 1 - Set condenser dial to match the objective ............................................................................................................ 4
Figure 2 - Replace right eyepiece with phase telescope ........................................................................................................ 4
Figure 3 - Phase telescope improperly focused ..................................................................................................................... 4
Figure 4 - Adjust knurled focus ring to focus the image ........................................................................................................ 4
Figure 5 - The phase telescope is properly focused ............................................................................................................... 4
Figure 6 - Centering screws of BH2-PC/PCD condenser ......................................................................................................... 5
Figure 7 - The phase ring and phase annulus images ............................................................................................................ 5
Figure 8 - The phase annulus properly centered ................................................................................................................... 5
Figure 9 - Place green/yellow filter into filter receptacle ...................................................................................................... 6
Phase Contrast on the Olympus BH-2 Microscopes

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