Sign In |Help & Support
ALL SECTORS
  • ALL SECTORS
  • GB(National Standard)
  • CB(Shipping)
  • CECS(Engineering Construction)
  • CJ(Urban Construction)
  • CY(News and Publication)
  • DB(Provincial Standard)
  • DL(Electricity & Power)
  • DZ(Geology & Mineralogy)
  • FZ(Spinning & Textile)
  • GA(Public Security)
  • HB(Aviation)
  • HG(Chemical Industry)
  • HJ(Environmental Protection)
  • JB(Machinery)
  • JC(Building Materials)
  • JG(Building & Construction)
  • JJ(Metering)
  • JT(Highway & Transportation)
  • LY(Forestry)
  • MT(Coal)
  • NB(Energy)
  • NY(Agriculture)
  • QB(Light Industry)
  • QC(Automobile & Vehicle)
  • QJ(Aerospace)
  • SH(Petrochemical)
  • SJ(Electronics)
  • SL(Water Resources)
  • SN(Commodity Inspection)
  • SY(Oil & Gas)
  • TB(Railway & Train)
  • YB(Ferrous Metallurgy)
  • YC(Tobacco)
  • YD(Telecommunication)
  • YY(Medical Device)
Database: 365,228(8 Aug 2026)

Double mirror lens

Double mirror lens, Total:41 items.

The international standard classification for "Double mirror lens" includes: Photographic equipment. Projectors , Paper and board .

The Chinese standard classification for "Double mirror lens" includes: Lens , Paper .


General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

Professional Standard - Machinery

Professional Standard - Light Industry

Shanghai Provincial Standard of the People's Republic of China

  • DB31/T 315-2004 Calibration method of magnification of transmission electron microscope
  • DB31/T 297-2003 Calibration method of magnification of scanning electron microscope

Military Standards (MIL-STD)

Japanese Industrial Standards Committee (JISC)

SCC

  • DIN 58889:1986 Lenses and oculars for microscops - Marking
  • BS 7012-1:1990 Light microscopes-Specification for the magnifying power of microscope imaging components
  • BS 1618:1949 Camera lenses and lens attachments (dimensions and screw threads)
  • DIN 4522-7 E:2012 Draft Document - Photographic lenses - Characterization of the quality of photographic lenses

Korean Agency for Technology and Standards (KATS)

British Standards Institution (BSI)

  • BS ISO 8039:2014 Microscopes. Values, tolerances and symbols for magnification

GSO

U.S. Military Regulations and Norms

German Institute for Standardization

  • DIN 4522-7:2015 Photographic lenses - Part 7: Characterization of the quality of photographic lenses
  • DIN 4522-7:1991 Photographic lenses; characterization of the quality of photographic lenses
  • DIN 4522-7 E:2012-05 Photographic lenses - Part 7: Characterization of the quality of photographic lenses
  • DIN 4522-7:2015-06 Photographic lenses - Part 7: Characterization of the quality of photographic lenses

RU-GOST R

  • GOST 9039-1973 Anamorphotic attachments for motion-picture projector lenses. Specifications

American Society for Testing and Materials (ASTM)

  • ASTM E766-98(2003) Standard Practice for Calibrating the Magnification of a Scanning Electron Microscope
  • ASTM E766-98 Standard Practice for Calibrating the Magnification of a Scanning Electron Microscope

CZ-CSN

International Organization for Standardization (ISO)

  • ISO 8038:2011 Microscopes — Screw threads for objectives and related nosepieces