GB/T 2831-1981
Replaced
GB/T 22057.2-2008
Replaced
National standards
GB/T 22057.2-2008 Microscopes—Imaging distances related to mechanical reference planes—Part 2:Infinity-corrected optical systems
GB/T 22057.2-2008 Microscopes—Imaging distances related to mechanical reference planes—Part 2:Infinity-corrected optical systems
Basic Information
Standard Code:
GB/T 22057.2-2008
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
A magnifying glass and a microscope
ICS Name:
Optical equipment
Publish Date:
2008-06-20
Implement Date:
2009-01-01
Pages:
6 pages
Scope
This part of GB/T 22057 specifies the image distance of objective lenses and eyepieces, as well as the focal length of the "standard" lens barrel for microscopes with infinity-corrected optical systems.
This part of GB/T 22057 is applicable to biological, metallographic, and polarizing microscopes with a mechanical barrel length of infinity.
Development Information
Same series standard
Referenced Standards
Adopt standards
ISO 9345-2:2003
Related Standards
GB/T 7661-1987
Replaced
GB/T 7661-1987 Bubble classes for optical elements
GB/T 15488-1995
Replaced
GB/T 15488-1995 Color filter glass
GB/T 15489.1-1995
Active
GB/T 15489.1-1995 Color filter glass test methods Spectral characteristic
GB/T 15489.2-1995
Active
GB/T 15489.2-1995 Color filter glass test methods Extent of bubble
GB/T 15489.3-1995
Active