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Related Manuals for National 425 Series
Summary of Contents for National 425 Series
- Page 1 National Optical & Scientific Instruments Inc. 6508 Tri-County Parkway Schertz, Texas 78154 Phone (210) 590-9010 Fax (210) 590-1104 INSTRUCTIONS FOR 425/425T SERIES STEREOSCOPIC ZOOM MICROSCOPES Copyright © 5/26/09 National Optical & Scientific Instrument Inc A Member of the Motic Group.
- Page 2 Illustrated: Model 425T-440PLL-10 Trinocular Port Power Cord for Top Light Eyepieces (incidental illumination) Knurled Diopter Adjustment (on both eyepieces) Head Eyepiece Tube Zoom Control Knob Prism Housing Tension Adjustment Collar (behind this focusing knob) Head Locking Screw Focusing Knob (both sides) Knurled Cover Ring Focusing Assembly Locking Support Collar...
- Page 3 Stereoscopic microscopes are designed for viewing 3-dimensional objects, inspection or assembly of small parts, and for dissection of biological specimen at low magnification. The 35° inclined viewing head provides an upright, unreversed image which permits easy manipulation of object being viewed while looking through the microscope. The incidental and transmitted illuminators incorporate high intensity Lambertain, 5500K color temperature 3 watt LED lamps.
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Page 4: Interpupillary Adjustment
plate can be used when viewing opaque objects or for dissecting. Choose side of plate providing best contrast with specimen. To change plates, remove black/white stage plate by putting finger in relief and press edge of stage plate to the front of base and remove plate. -
Page 5: Specification Chart
SPECIFICATION CHART Auxiliary Objective Auxiliary Objective Standard Objective 0.5X 1.5X (supplied) (Optional) (Optional) Zoom # 705-425 # 715-425 Eyepieces Objective Working Distance Working Distance Working Distance Position 113mm 192mm 50mm Total Field Total Field Total Field Magnification Magnification Magnification Size Size Size .75X... -
Page 6: Maintenance
ADAPTING CCTV VIDEO CAMERA OR SLR CAMERA to microscope (Trinocular Model Only) Trinocular model #425T is equipped with a port (a.) on top of binocular head. By using optional accessory adaptors, either CCTV video or 35mm SLR cameras can be mounted onto the microscope. T-mount These models are also equipped with a sliding rod (b.) located on the backside of the head. -
Page 7: Mechanical Maintenance
Return the illuminator to National for replacement of the LED bulb. TROUBLESHOOTING... -
Page 8: Optional Accessories And Parts
LIMITED LIFETIME WARRANTY National warrants this microscope to be free from defects in material and workmanship under normal use and service for the life of the instrument. This limited lifetime warranty excludes all internal electrical components which are only warranted for a period of one year.