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Database: 365,228(8 Aug 2026)
type m25×0.75mm scopethis part screw threads m25-type thread related nosepieces objective lens busbar system contact resistance measurement chemical engineering applications television video level standard device
GB/T 22055.2-2008 in English

GB/T 22055.2-2008 in English

SUPERSEDED

Microscopes - Screw threads for objectives and related nosepieces - Part 2: Screw thread type M25×0.75mm

  • Issued on:2008-06-20
  • Implemented on:2009-01-01
  • File Format:PDF
  • Delivery:Via email within 1~3 business days
Price(USD): $70.00
$68.00
Standard No: GB/T 22055.2-2008
Document status: SUPERSEDED
Superseded by: GB/T 22055-2022 Microscopes—Interfacing dimensions for imaging componen
Superseded on: 2022-11-01
Title in English: Microscopes - Screw threads for objectives and related nosepieces - Part 2: Screw thread type M25×0.75mm
Title in Chinese: 显微镜 物镜螺纹 第2部分:M25×0.75mm型物镜螺纹
Language: English
File Format: Electronic (PDF)
Delivery: Via email within 1~3 business days
Issued on: 2008-06-20
Implemented on: 2009-01-01
ICS Classification: 37.020-Optical equipment
Chinese Classification: N32-Magnifier and microscope
Professional Classification: GB-National Standard
Related Keywords: type m25×0.75mm scopethis part
screw threads
m25-type thread
related nosepieces
objective lens
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《GB/T 22055.2-2008显微镜 物镜螺纹 第2部分:M25×0.75mm型物镜螺纹》由TC103(全国光学和光子学标准化技术委员会)归口,主管部门为中国机械工业联合会。
GB/T 22055《显微镜 物镜螺纹》分为两个部分,本部分为GB/T 22055《显微镜 物镜螺纹》的第2部分.本部分为首次发布。GB/T 22055的本部分规定了不同于RMS标准的联接显微镜物镜与物镜转换器的M25型螺纹的尺寸。


Scope

This part of GB/T 22055 specifies the dimensions of the M25-type thread that is different from the RMS standard for connecting the microscope objective lens and the nosepiece. NOTE: A specific system of eyepiece, objective, and tube lens (for example, an infinity-corrected optical system) is usually aberration-corrected, so an objective made by one manufacturer and a tube lens or eyepiece made by another Combinations, even if they all comply with the provisions of this section, may still cause errors in magnification and/or reduction in image quality.

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