National Optical DC4-211 Bruksanvisning
National Optical
mikroskop
DC4-211
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National Optical & Scientic Instrument Inc.
6508 Tri-County Parkway
Schertz, Texas 78154
Phone (210) 590-9010 Fax (210) 590- 1104
INSTRUCTIONS FOR
MODEL DC4-211 / 212
COMPOUND BIOLOGICAL MICROSCOPE
WITH DIGITAL CAMERA
Copyright © 6/03/2016
National Optical & Scientic Instrument Inc.
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About the Digital Microscope
Your new digital microscope incorporates a built in camera that utilizes ultra high-speed data transmission made possible
through a simple plug and play USB 2.0 cable. In order to achieve optimum results, it is important that you carefully read
both this and the software instructions located on Motic disc before operating your microscope or camera.
UNPACKING
1. Your microscope is packed with the following components, all of which have been checked at the factory. Carefully
remove all components and check against this list. Retain styrofoam container in case microscope must be the
transported or returned to factory for any reason.
A. Microscope, with WF10x eyepiece, four objective lenses (DC4-212) three objective lenses (DC4-211), 1.25 N.A.
Abbe condenser, and specimen holder already installed.
B. CD Motic Images software (instructions for software on disc)
C. Calibration slide
D. USB 2.0 cable (for connecting to computer)
E. 2mm “L” type key wrench (for rack stop adjustment)
F. 0.9mm “L” type key wrench (for tension adjustment collar)
G. Dustcover
2. Retain Styrofoam container in case microscope must be transported or returned to factory for any reason. If it
becomes necessary to ship the microscope for any reason, repack it in the styrofoam container, and then pack the
styrofoam in another corrugated shipping container for optimum protection. Use of the styrofoam alone will not
provide adequate protection in transit, and will void your warranty.
DESCRIPTION OF COMPONENTS
1. LED INDICATOR LIGHT: Indicates if camera is on, power supplied by USB.
2. EYEPIECE (ocular lens): Lens closest to the eye, magnies the primary image formed by the objective lens.
3. OBJECTIVE TURRET (nosepiece): Revolving turret which holds objective lenses, permits changes of magnication
by rotating dierent powered objective lenses into optical path. Reverse position permits easier access to stage when
positioning specimen slides.
4. OBJECTIVE LENS: Lens closest to the object being viewed, forms first magnied image of the specimen.
5. MECHANICAL SPECIMEN HOLDER: Permits precise, mechanical manipulation of the specimen slide.
6. STAGE: Platform of the microscope where the specimen slide is placed.
7. CONDENSER: A 1.25 N. A. Abbe condenser lens positioned under center of stage, condenses light rays from
substage illumination and lls the back lens element of objective lens to improve image resolution.
8. IRIS DIAPHRAGM: Attached to bottom of Abbe condenser, controls aperture of light by moving control lever left or
right.
9. SWING OUT FILTER HOLDER Contains frosted lter diuses LED light : –
10. SAFETY RACK STOP: When properly adjusted, controls maximum upward travel of stage. Prevents higher power
objectives from breaking specimen slides, prevents damage to objective lenses. This stop has been pre-adjusted at
the factory.
11. FOCUSING KNOBS: Coarse focusing knobs (larger knobs) located on each side of arm, raise or lower stage to bring
specimen image into focus. Fine focus knobs (smaller knobs located just below coarse focusing knobs) permit more
precise image adjustment.
12. ILLUMINATION: Built-in substage electric illuminator provides constant, reliable pre-focused illuminati on.
4
13. RHEOSTAT INTENSITY CONTROL: Controls illumination intensity. Always turn control to lowest intensity before
turning microscope power on or o. This extends bulb life.
14. POWER CORD: Attached US 110V 60Hz, three prong UL approved power cord.
15. ON/OFF SWITCH: This turns microscope lamp on
16. USB 2.0 CABLE: Connects microscope & camera to computer.
OPERATION
Your microscope is fully functional as a standard microscope. The following instructions apply only to operation of the
microscope. Refer to the software instructions for installation of the software and operation of the camera. Some steps
for microscope operations are altered slightly in the software documentation, in order to utilize some of the unique features
provided by the digital camera and software.
1. Illumination.
A. Adjust intensity control on side of base to the minimum position. This should be done prior to each time light
is turned on or o, in order to extend bulb life.
B. Plug one end of power cord into power outlet. Flip power switch on microscope base “on”. Note that camera LED
indicator will not light until USB 2.0 cable is connected to computer, and camera turned on by software commands.
2. Focusing the microscope.
A. Position the 4x objective lens into the optical path, making sure that lens is properly indexed in its click-stop
position.
B. Swing moveable finger on slide holder outward. Place specimen slide (cover slip up) on top of stage surface
against xed side of slide holder. Slowly release moveable nger until it makes contact with specimen slide.
C. Rotate coarse focusing controls until specimen comes into focus.
D. Adjust ne focus controls until specimen is in sharp focus.
E. Adjusting the aperture (opening) of iris diaphragm.
Iris diaphragm should not be used to control the brightness of illumination. Iris diaphragms are designed to help
achieve high resolution of specimen and provide contrast in the image. Smaller apertures will deliver higher
contrast to image. However, closing aperture too much will reduce resolution. Experimentation is the best
method of determining the correct opening of diaphragm. Some suggested openings for iris diaphragm are:
OBJECTIVE DIAPHRAGM OPENING
4x From fully closed to 1/8 open
10x 1/8 to 1/4 open
40x 1/4 to 1/2 open
100x 1/2 to 3/4 open
a) Placing the frosted lter into the optical path will absorb and diuse some of the light from the illuminator base,
limiting the light output.
F. Changing magnication.
a) Rotate revolving nosepiece to position 10x objective into optical pat h.
b) This microscope has been parfocalized, which allows changes from one objective to another while requiring
only a slight adjustment of the fine focus controls.
Produktspecifikationer
| Varumärke: | National Optical |
| Kategori: | mikroskop |
| Modell: | DC4-211 |
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