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Enterprise name：Huaian Dong Sheng Photoelectric Instrument Co., Ltd.

Contact: Wang Li

Telephone：0517-83852182

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Address: No. 9, Haikou Road, Huaian economic and technological development area.

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Specification for inspection of optical lens appearance (Part I)

Theopticallensmanufacturershaveastrictstandardfortheinspectionofthelenses.Thepurposeistoensurethatth
release time:2018-03-29 The number of clicks:1245

Specification for appearance inspection of optical lenses (below)

Afteralongstudyofopticallenses,theopticallensmanufacturershavesummedupacompletesetofstandardstandards
release time:2018-03-29 The number of clicks:1027

Precautions for the use of optical lenses

Astronomicaltelescopemanufacturerstodayarebringingastronomicaltelescopeopticallensestoattention.One.Wearfin
release time:2018-03-16 The number of clicks:1518

The principle and structure of astronomical telescopes

Afteryearsofresearchonthestructureofastronomicaltelescopesbytheastronomicaltelescope,ithasbeenfoundtha
release time:2018-03-14 The number of clicks:1695

Design features of free surface optical lenses

Opticallensmanufacturersbelievethatthedesignofopticallensesforareasonabletelescopeisthekeytothesucces
release time:2018-03-12 The number of clicks:1418

How does light affect the imaging of blue film and green film in optical lenses?

Afteralongperiodofresearchandexperienceaccumulationofopticallensandmirrorglass,opticallensmanufacturers
release time:2018-03-11 The number of clicks:889

The function of optical thin film

Speakingofthefunctionofopticallensfilm,weusetheopticalthinfilmofastronomicaltelescopeasthefollowingf
release time:2018-03-10 The number of clicks:1419

Misunderstanding of optical lens film

Althoughopticallensmanufacturershaveaccumulatedalotofprofessionalknowledgeintheindustry,therearestillso
release time:2018-03-10 The number of clicks:1360

How do we choose our astronomical telescopes?

Asanastronomicaltelescopemanufacturer,whetheramateurorprofessional,howshouldwechooseourastronomicaltelesc
release time:2018-03-06 The number of clicks:1732

A brief introduction to the polishing process of optical lens

Throughlongexperienceaccumulation,theastronomicaltelescopemanufacturerfoundthatthesurfaceoftheopticallens
release time:2018-03-05 The number of clicks:1322

The difference between aspheric lenses and spherical lenses

Mostastronomersmayhaveknowledgeofastronomicaltelescopelenses,usuallydividedintosphericallensesandaspheric
release time:2018-03-04 The number of clicks:1170

Recognition of optical lenses

Atpresent,throughlongexperienceanalysis,opticallensmanufacturersaredividedintofivekindsofopticallenses:
release time:2018-03-03 The number of clicks:721

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