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STEINDORFF
Digital Biological Microscope
NYMCS-272
Instruction Manual
This instruction manual is for Digital biological microscope NYMCS-272. For the digital camera operation, please
check the software manual in the CD. To insure safety and obtain optimum performance and familiarize yourself
fully with the use of this microscope .We recommend that you read the manual thoroughly before operating the
microscope. Please put this manual instruction in an easily accessible place near the microscope for the further
reference.
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Summary of Contents for STEINDORFF NYMCS-272
- Page 1 NYMCS-272 Instruction Manual This instruction manual is for Digital biological microscope NYMCS-272. For the digital camera operation, please check the software manual in the CD. To insure safety and obtain optimum performance and familiarize yourself fully with the use of this microscope .We recommend that you read the manual thoroughly before operating the microscope.
- Page 2 ® STEINDORFF SAFETY NOTICE 1. Transportation As the microscope is a precision instrument, handle with care, avoiding impact or abrupt movement during transportation. Do not push or pull the microscope during using, otherwise the precision for image will be reduced.
- Page 3 ® STEINDORFF 5. Do not take the microscope apart as it will be damaged. Such operations might have bad effect on the performance and make user get an electric shock or injured. Please contact the manufacturers if there is any problem.
- Page 4 ® STEINDORFF 11. Using small amount of oil immersion is enough. The redundant oil will adhere to stage or condenser and these will reduce microscope’s performance. Get rid of the redundant oil or clean the lens by using ether or pure alcohol according to this instruction. Pay attention during process as these things are incentive The instruction you buy may not including some products mentioned in this instruction.
- Page 5 ® STEINDORFF 1. STRUCTURE AND NOMENCLATURE...
- Page 6 ® STEINDORFF 2. TECHNICAL PARAMETER AND SPECIFICATION 1. Specification 1.1. Optical system: infinity optical system 1.2. Illumination: inserted transmitted illumination, 12V20W/30W halogen bulb (standard outfit) or LED (available) Input voltage: 220V～240V 50/60Hz Voltage undulation: ±10% Electric current: 0.4A Fuse: 250V 1A delayed model, 5×20 miniature fuse 2pcs 1.3.
- Page 7 ® STEINDORFF 2.2. Eyepiece: WF10X/20mm: Total magnification Total magnification = Eyepiece’s magnification × objective’s magnification Numerical aperture (N.A.) N.A. value will affect resolution and image’s brightness, it is the leading parameter for objectives. N.A. = n × sin α n stands for refractive index of the medium between objective and specimen or condenser (air or oil immersion) α...
- Page 8 ® STEINDORFF 3. Configuration Item Content Piece Microscope’s body (including stage, nosepiece, coaxial coarse and fine focusing adjustment, bracket for condenser, adjusting power supply, halogen bulb and normal collector) Siedentopf binocular inclined at 30º(360º rotatable) Condenser ( with iris diaphragm, without auxiliary lens)
- Page 9 ® STEINDORFF 4. ASSEMBLE Please read the safety notice carefully before assembly and make the assembly according to the following steps. Tools: wrench (2 pcs) 1. There is correct input voltage in the label on microscope. Make sure the voltage in your position is right.
- Page 10 ® STEINDORFF 3. Mount the binocular head Loosen the fixing screw in the eye tubes and insert the binocular head into the eye tubes. Then tighten the screw. 4. Mount the blue filter Take out the filter from the bottom of condenser and mount it in the bracket, then move the bracket into the condenser.
- Page 11 ® STEINDORFF Left and right eyepiece should be replaced together when replacing to use 15X eyepiece to keep the same magnification between left and right eye tubes. Notice: The 10X eyepiece should touch the end of eye tube. The “O” scale should be consistent with standard line when the eyepieces are inserted in or pulled out of the eye tubes.
- Page 12 ® STEINDORFF 5. OPERATION 1. Illumination Turn on the power supply (turn the switch to “-“) then the bulb will be on. The lightness can be adjusted by turning the adjusting knob. 2. Interpupillary range Adjust the siedentopf binocular to make sure that view field in the right and left eyepiece is consistent.
- Page 13 ® STEINDORFF 4.1. Put the 10X or 4X objective into optic path. 4.2. Remove the stage to the top by turning the coarse focusing knob. 4.3. Observe through the eyepiece and turn the coarse focusing knob slowly to let the stage down and down till there is sharp image.
- Page 14 ® STEINDORFF 8. Adjusting aperture diaphragm Adjust the aperture diaphragm adjusting shaft for condenser till the position which stands for the magnification of objective Adjust the aperture diaphragm 8.1. Adjust the aperture diaphragm by the adjusting shaft. The brightness and resolution will be decrease while the contrast and depth of view will increase if the diameter of aperture diaphragm reduces.
- Page 15 ® STEINDORFF 9.1.2. Objectives Turn the nosepiece and take the objective out of the optical path. Place one drop of oil on the slide then turn the condenser slowly and mount the objective 9.2. Air bubble in oil immersion 9.2.1. Never make the oil immersion into your eyes. Please take following steps as soon as the oil...
- Page 16 ® STEINDORFF 10. Adjusting the coarse focusing knob’s tension The tension of coarse focusing knob is adjustable. Please turn the tension controlling ring of the coarse focusing knob clockwise then the tension will be increased. This ring is near the coarse focusing knob. If you want decrease the tension, please turn the ring counterclockwise.
- Page 17 ® STEINDORFF 1. Optical Trouble Cause Remedy Darkness at the periphery or uneven Revolving nosepiece not in click stop Revolve to click position (switch the view field brightness position (objective not centered in objective correctly into the optical optical path)
- Page 18 ® STEINDORFF 2. Mechanical Trouble Cause Remedy Image not focusable with high Slide upside-down Turn slide cover power objective Cover glass too thick Use cover glass of specified thickness (0.17mm) High power objective contacts slide Side upside down Turn slide over...
- Page 19 ® STEINDORFF Do not use petroleum benzene to clean the entrance lens at the bottom of the eyepiece tube or prism surfaces inside the eyepiece tube. Absolute alcohol and petroleum benzene are quite inflammable. Take great care when handling them and when setting the power switch on and off.
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