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User Manual for National 420T-430AHF-15 1-4x Stereo Zoom Microscope with Trinocular Port Click to enlarge the picture
Contents of the user manual for the National 420T-430AHF-15 1-4x Stereo Zoom Microscope
- Product category: Microscopes National
- Brand: National
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for National Microscopes
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User manual for the National 420T-430AHF-15 1-4x Stereo Zoom Microscope contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any National product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official National user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a National product will considerably shorten its lifespan!
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Product description The 420T-430AHF-15 1-4x Stereo Zoom Microscope with Trinocular Port from National Optical is a stereoscopic zoom microscope designed for laboratories and university students. The stereo (two) eyepiece configuration is preferred by most researchers and students because of the superior depth of field and comfort compared to monocular microscopes. The 420T-430AHF stereo microscope has a paired 15x eyepiece delivering a 15x to 60x continuous magnification range. The achromatic objective lens system is parfocalled and parcentered throughout the zoom range to keep the specimen in focus and centered while zooming in/out.A trinocular port enables the 420T series to transmit its magnified image to an SLR or video camera attached to the port using an included C-mount adapter. When not in use for capturing images, the trinocular port can be secured using a metal thumbscrew. Optional eyepieces and auxiliary objectives expand the microscope’s magnification range and working distance, further broadening the functionality of the optical system.The 420T-430AHF can illuminate the specimen from above using a 15W halogen light and/or from below the stage using a 5W fluorescent light; each light source is activated separately by base-mounted On/Off switches. To help optimize the brightness and contrast of the specimen, the top (incidental) light beam is intensity and direction adjustable.A user-friendly design complements the range of features that make the 420T-430AHF stereo zoom microscope a welcome addition to labs and classrooms. This configuration of the 420T series microscope includes a cast metal fixed arm stand that will accommodate specimen heights up to 45mm. The viewing head is also capable of 360° rotation to help share the stereo eyepiece among colleagues and students without moving the microscope. An adjustable interpupillary distance, individually adjustable diopter correction, and reticle holder/retainer provide this 420T series microscope with the flexibility needed to create a customized viewing experience. - Optical System
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- Paired 15x eyepiece, 45° inclined stereo
- Trinocular port for SLR and video camera mounting
- 1-4x achromatic, parfocalled, parcentered objective system
- 15x to 60x magnification range
- 80mm / 3.1" working distance, 45mm / 1.8" maximum specimen height
- 55-75mm / 2.2-3" interpupillary distance
- Individual diopter adjustments
- Focusing
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- Rack and pinion focus system
- Slip clutch prevents over-turning
- Tension adjustment prevents focus drift
- Dual focusing dials
- Lighting
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- Incidental (top) 15 watt halogen illumination with beam intensity/direction controls
- Transmitted (bottom) 5 watt fluorescent illumination with blue filter
- Dual base-mounted On/Off switches
- Grounded power cord
- Construction Details
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- Fixed arm stand
- 80mm frosted glass stage plate, 80mm reversible black/white contrast plate
- 360° rotating viewing head
- Locked on metal stage clips
- Cast metal frame
- Grey enamel finish
- 13.4" (34 cm) maximum height
- 12 lb (5.4 kg) weight
In the Box National 420T-430AHF-15 1-4x Stereo Zoom Microscope with Trinocular Port C-Mount Camera Adapter Eyeshields Dustcover Limited Lifetime Warranty (Excluding Bulb) Table of Contents
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Technical parametersNational 420T-420AHF-15 Specs | Microscope Type | Stereo | | Eyepiece | 15.0x | | Objective(s) | 1.0 - 4.0x | | Head | Inclined trinocular | | Light Source | 12 V, 15 W halogen (incidental), 110 V, 5 W fluorescent (transmitted) | | Light Control | 4-position On/Off | | Stage | 80 mm frosted stage plate, 80 mm reversible black/white contrast plate | | Interpupillary Adjustment | 2.2 - 3" (55 - 75 mm) | | Maximum Specimen Height | 1.8" (45 mm) | | Maximum Height | 13.4" (34 cm) | | Weight | 12 lb (5.4 kg) |
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