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optical microscope price for Teaching

Place of OriginHenan, China (Mainland)
Brand NameNANBEI
Model NumberBM14
TheoryBiological Microscope
NameDark field microscope
Tube length160mm
ApplicationMedical treatment
Illumination6V/20W Halogen Lamp
Interpupillary distance55~75mm
Warranty1 Year

Product Description


optical microscope price for Teaching 


Product Introduction


Darkfield, also known as dark field illumination.Its features are different from Bright field.is not obseve bright light,but observe the light that samples reflected.And then field is dark,however,the sample that observing is bright.Dark field microscope’s necessary accessory is Dark filed condenser.Its feature is not let light pass through sample bottom up,change light’s way,then make it inclined toward to sample,let illuminated light doesn’t directly into objective,form a bright image used a reflected or diffracted light.



Dark field Microscope used to observing micro living body,non-staining organism samples that general microscope can’t do,observe the shape and outlook.Widely used in Science Research,Teaching,Medical treatment, Epidemic prevention and  Farming-grazing.


Technical Specification




Name Magnification Viewing diameter
Eyepiece 10X Φ18mm
16X Φ11mm




Name Zoom ratio Hole diameter(NA) Working distance(mm)
Objective 4X 0.10 37.5
10X 0.25 7.31
40X 0.65 0.63
100X(Oil) 1.25 0.18


3,Tube length:160mm




5,Stage size:125×120mm Travelling:70×30mm,Vernier:0.1mm


6,Interpupillary distance:55-75 mm


7,Focusing:15 mm Coaxial focusing with knobs

8,Condenser:Abbe N.A.1.25(Iris diaphragm)


9,Illumination:Transmission:6V20W Halogen lamp ,AC85V-230V adjustable.





Packaging & Shipping

 Package : Standard export package

Shipping : 3-10days after payment received



Our Services


Pre-sale service


² 24hours online to ensure quick response to customers’ inquiry or online message;

² Guide customers to choose the best suitable machine model;

² Offer detailed specification and competitive prices;


Contract execution


² Machine production will be arranged strictly according to the contract;

² Machine photos will be sent to you for inspection during production;

² Send customs clearance documents by DHL;

² Update latest news after delivery and prepare customs clearance;



After-sale service


² 12 months warranty except for wear parts;

² Broken spare parts (except for wear parts) will be sent for free due to quality problems;

² In time response to customers technical problems;

² New products update for customers’ reference

Company Information


ZHENGZHOU NANBEI INSTRUMENT EQUIPMENT CO.,LTD is the famous integrated equipment supplier in Chinese equipment field. After years of development, it has become a research, development, production and sales as one of the independent legal personality diversified technology group. The headquartered is in ZHENGZHOU (International Air Port Area),China. And it also has the office in BEIJING,SHANGHAI, and SHENZHEN in China



1. How can I choose the suitable one?

Dear customer, please tell us your detailed requirements by mail or online, we will recommend the suitable one as your request.


2. Does your price is competitive?

Dear customer, we make sure to offer you the best quality with competitive price.


3. How can I pay?

Dear customer, we accept many payment term, such as T/T, Western Union…


4. When I receive it after pay?

Dear customer, normal models can be delivered with 5-7days, please contact us to check transport time to your address.


5. How to deliver?

Dear customer, we can send by Express, by Sea and by Air.


6. Is will be broken during transport?

Dear customer, please do not worry, we do standard export package.


7. What should I do if I do not know how to use?

Dear customer, please do not worry, manual user will be sent together, you can also contact us with more technological support.


8. What should I do if some parts broken?

Dear customer, please do not worry, we have 12months warranty except  wear parts. You can also buy parts from us after 12months

Contact Person


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darkfield microscopy

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