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National Optical & Scientific Instrument Inc.

6508 Tri-County Parkway

Schertz, Texas 78154

Phone (210) 590-9010 Fax (210) 590-1104

INSTRUCTIONS FOR STEREOSCOPIC MICROSCOPES

MODEL NUMBERS

400

400TL

400TBL
405TBL

Copyright © 1/2/01

National Optical & Scientific Instrument Inc.

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Summary of Contents for 400

Page 1: ...strument Inc 6508 Tri County Parkway Schertz Texas 78154 Phone 210 590 9010 Fax 210 590 1104 INSTRUCTIONS FOR STEREOSCOPIC MICROSCOPES MODEL NUMBERS 400 400TL 400TBL 405TBL Copyright 1 2 01 National Optical Scientific Instrument Inc ...

Page 2: ...ective lens Incidental top illumination included on all models except 400 Stage clips Stage plate Base Illustrated is 400TBL having both incidental top and transmitted bottom illumination Fuse Light control switches Power switch 405TBL series has 45 inclined head Plain base on non illuminated 400 Base on top illuminated 400TL ...

Page 3: ... plate 60mm diameter already mounted in the base of microscope Install rubber eyepiece shields over top of eyepieces with the flared portion of the shields positioned at the outside edge of eyepieces Observe that the main voltage of your microscope is labeled on the back of the base Make certain that the main voltage of your microscope corresponds to the voltage of your power outlet Examine packin...

Page 4: ...in a clockwise direction b Insert penlight into black rubber lined friction mounting port located immediately behind head of microscope 3 Determine whether the black or white side of the stage plate will provide best contrast with the specimen to be viewed The white side will be used for most viewing It will always be required when viewing transparent specimen slides because it better reflects lig...

Page 5: ...ely up or down on post 3 While looking through microscope move head up or down on post until image is in approximate focus Tighten post locking knob It is not necessary to make this adjustment every time you change objects being viewed unless there is a significant difference in thickness or height of objects 4 Rotate focusing knobs with both hands until specimen comes into sharp focus in right si...

Page 6: ...es Only one of these holes contains a small set screw Using a small jewelers screwdriver loosen this set screw Your microscope was supplied with a small pin spanner wrench having one prong Insert pin of the wrench into one of the holes turn collar clockwise to tighten tension counter clockwise to loosen tension In the event you have misplaced the wrench a large rubberband placed around the collar ...

Page 7: ... drops from its own weight Adjust tension control Poor resolution image not sharp Objective lenses dirty Clean objective lenses Eyepiece lens dirty Clean eyepiece lenses Spots in field of view Eyepiece lens dirty Clean eyepiece lenses Spots in field of view can also result from dirt on inside of eyepiece It is recommended that you have service technician clean inside of lens OPTIONAL ACCESSORIES A...

Page 8: ... WARRANTY 5 YEAR LIMITED WARRANTY Please see our website www nationaloptical com for complete warranty details and exclusions Revised 1 13 10 www microscopeworld com info microscopeworld com 800 942 0528 ...

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