Fein Optic IRB20 User Manual Download

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IRB20 Inverted Microscope Bulb Replacement

Fein

Turn off and unplug the microscope prior to

changing the bulb.

1. Remove the screw with the allen wrench.

2. Lift the illumination cover.

3. The bulb is located at the front of the housing.

Once the cover is removed, unscrew the two

screws in the image shown below that lie on

either side of the wires leading to the bulb.

Summary of Contents for IRB20

Page 1: ...Fein IRB20 Inverted Microscope User s Manual info feinoptic com ...

Page 2: ...Microscope Components Eyepieces Condenser Lamp Housing Nosepiece Mechanical Stage Rheostat On Off Power Siedentopf Trinocular Head C Mount Adapter Phase Slider Beam Splitter Coarse Focus Fine Focus Stage X Y Control ...

Page 3: ...ilter Slider 6 Lamp Housing 7 Condenser 8 Round Insert on Stage 9 Fixed Stage 10 Carrying Handle 11 Objective Lens 12 Nosepiece 13 Power Socket 14 Fuse Box 15 Power Switch 16 Surplus Water Plate 17 Mechanical Stage X Y Knob 18 Light Rheostat Control 19 Coarse Fine Focus Control 20 Attachable Mechanical Stage 21 Beam Splitter Knob ...

Page 4: ... stage Move the 10x objective lens into the light path Focus on the sample using the coarse focus and then the fine focus Adjust the brightness using the rheostat control Adjust the interpupillary distance and the eyepiece diopter Adjust the aperture diaphragm Once the sample is in focus filters may be placed in the optical path ...

Page 7: ...the set screw and pull the eyepiece out of the eyetube FIXED STAGE Insert the round plate 1 into the fixed stage Install the stage clips 2 into the slot on the fixed stage MECHANICAL STAGE Insert the round plate 1 into the stage Install attached mechanical stage 2 with screws 3 provided Place petri dish or stage inserts 4 into stage as needed ...

Page 8: ...ope prior to changing the bulb 1 Remove the screw with the allen wrench 2 Lift the illumination cover 3 The bulb is located at the front of the housing Once the cover is removed unscrew the two screws in the image shown below that lie on either side of the wires leading to the bulb ...

Page 10: ...nd put the phase slider in the position that matches the phase objective magnification Remove the eyepiece and insert the phase centering telescope Use the phase centering screws to align the bright and dark rings as shown in the illustrations below Image at left shows what the rings might look like prior to alignment Image at right shows once they are aligned ...