background image

 
 

Issue 

Possible cause 

Solution 

Visual field is uneven, or 
image is dark at the edges 

Nosepiece is not locked in 
place to center the 
objective lens 

Turn nosepiece until you 
hear a click to center the 
objective lens 

 

Slide is not centered over 
the bulb, leaving part of the 
specimen unilluminated 

Center the slide over the 
bulb 

 

Dirty objective or eyepiece 
lens 

Clean with compressed air 
or soft brush 

 

Disc diaphragm hole 
selection is too small 

Rotate the disc diaphragm 
to a larger hole 

Visual field is blurry or dirty  Dirty objective or eyepiece 

lens 

Clean with compressed air 
or soft brush 

 

The slide is dirty 

Clean the slide with glass 
cleaner or lens cloth 

 

Eyepiece or objective lens 
not fully screwed into place 

Tighten eyepiece or 
objective lenses 

Poor image quality 

No cover slip on the 
specimen 

Place glass cover slip over 
the specimen 

 

Slide is too thick or too thin  Use a lab-quality slide 

 

Slide is placed upside 
down on the stage 

Flip the slide over so that 
the cover slip is facing up 

 

Dirty objective lens 

Wipe the lens off with soft 
cloth and glass cleaner 

 

Disc diaphragm hole 
selection is too small 

Rotate the disc diaphragm 
to a larger hole 

 
 

Image moves while 
adjusting focus 

Slide is shifting on the 
stage 

Reposition slide more 
securely in the clips  

Light is too dim 

Disc diaphragm hole 
selection is too small 

Rotate the disc diaphragm 
to a larger hole 

Summary of Contents for SW200DL

Page 1: ...User Guide SW200DL...

Page 2: ...of your new microscope and help you begin using it For more information about our microscopes software downloads product manuals or customer service requests please visit www swiftoptical com Table o...

Page 3: ...ng Objectives 4X 10X and 40X Achromatic Magnifications 40X 100X 250X 400X and 1000X Stage Plain stage with slide clips Stage size 90mmx90mm Condenser Single lens condenser with 6 hole disc diaphragm F...

Page 4: ...head then place an eyepiece into the holder Locate the power adapter and attach it to the microscope then plug it in Turn the microscope on by pressing the power button IV Using the microscope Turn th...

Page 5: ...he slide use the coarse focus knob to move the stage down and away to make room before changing magnification To use the microscope in incident mode switch the illumination to the upper light built in...

Page 6: ...brush The slide is dirty Clean the slide with glass cleaner or lens cloth Eyepiece or objective lens not fully screwed into place Tighten eyepiece or objective lenses Poor image quality No cover slip...

Page 7: ...e cover slip is facing up Lamp does not turn on No power source Check that the adapter is fully connected or that batteries are installed Bulb has burned out Replace the bulb Lamp flickers while on Bu...

Page 8: ...ntie Service erfolgt durch von Swift Optical Instruments Inc autorisierte Techniker Eine Best tigung des Garantiefalls erfolgt durch den Techniker F r Kunden au erhalb der USA bietet Swift Optical Ins...

Page 9: ...anzupassen Diese Verbesserungen k nnen Modifikationen in Mechanik und Optik unserer Mikroskope beinhalten Aus diesem Grund k nnen Beschreibungen Illustrationen und Spezifikationen dieser Bedienungsanl...

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