This standard specifies the basic parameters, technical requirements, test methods and markings of microscope objectives. This standard applies to microscope objectives for bright field observation with conjugate distances of 185mm, 195mm and infinity. GB/T 2609-1996 Microscope Objectives GB/T2609-1996 Standard download decompression password: www.bzxz.net

ICS37.020
National Standard of the People's Republic of China
GRT26091996
Microscopes
Microscopes-ohjcetivcs
Published on August 13, 1996
State Bureau of Technical Supervision
Implementation on December 1, 1996
National Standard of the People's Republic of China
Microscopes-uhjcelives
Main content and scope of application
The technical standard specifies the number, technical requirements and test methods of microscopes. G0/T 2G09
Generation #221
This standard is suitable for the objective lens with a total frequency of 135m%.195mm and infinite pass bright field observation. 2 Reference standards: 3 Star microscope room
GB/T1543M
General technical requirements for projective table packaging
General technical safety requirements for optical instruments
B/T3373
JR/T 5473
B, T5591
Single point plate
JB/1'7399-1
Star microscope
JB/T7398.2 Display mirror
TB/T 70K-
JB/T358.13
3 Basic parameters
Quality microscope
Effective microscope
Objective lens
Optical connection: Size
Objective lens
Main objective microscope test plate
3.1 The yoke height is set to 155mm.1S5mm11Including the objective lens with a reduction of less than or equal to 2.5:> and the element limit, 3.2 The total distance is 155m, the length of the 13mm objective-machine cage is: 60mm, 3.3 The uniform distance of the objective lens is 35 or 43m (excluding the thickness of the lens), 3.4 The optical ratio of the objective lens should comply with the provisions of G39243. 3.5 The diameter of the objective lens does not comply with the provisions of Table 1. 1
Number of suitable general economy
Point rate
Disinfection package difference
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Color left frequency
Yangchang color cutting
And material management
Pingchang ten double disinfection
Mirror of fish pad
Mangqiao material theory
1996-12-01 implementation
Effective event
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flat field aberration
flat field construction elimination
giant old objective
3.6 As for this problem, the work is not separated from the reality of the environment such as GB923, the old value of the problem can not be completed 3./object atmosphere effect scale should include JB/V308.3, 1 technical requirements
4.1 All kinds of objects should be corrected for small aberrations. Eliminate the spherical, chromatic and salt aberrations of the object. Semi-flat field achromatic objective must meet the requirements of the objective lens. It should also be corrected when the object is sharp. Flat field achromatic objective must meet the requirements of some objects, and it should also be very good with the field of the object. In addition to the requirements of the flat field achromatic objective lens, the flat field achromatic objective lens should also be well corrected for the secondary light harmonics of the objective lens. In addition to the requirements of the flat field achromatic objective lens, the flat field achromatic objective lens should also be well corrected for the primary spectral chromatic aberration of the objective lens. For the 1A type objective lens, the correction amount of the single chromatic aberration should be clear, and the base diameter (1 true diameter) should not be less than the requirements of Table 2. 5c
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CB/T 2609-1996
4.3 The difference in the exchange rate shall comply with the provisions of 60923, 2.4 The price difference of the material barrier number is in line with the period of NT$3. 3
Aperture of laser type
4.5 The difference between the focal length of the objective lens and the objective axis should meet the requirements of J/T7393.2. 4.6 The optical axis of the objective lens and the objective axis should meet the requirements of Table 4.4
Number of aperture characteristics
:n. 1~ c.43
4.7 The relative density of the objective lens should meet the requirements of JB/T73S8.3. 4.3 The total density should not exceed 44.9. The objective lens has no uniform density. 4.10 The appearance and rate of the objective lens shall comply with the provisions of 3/T3379. Test method 5.1 Abbe test plate (marked in section 4.1) 5.1.1 Test on the star point plate of /65; b Reading and testing quantity: 1. Special display stand 5.1.2 Test procedure Install the objective lens on the special stand, observe the point illuminated by incident light, and check the aberration of the objective lens by using the image of the layer point. For the semi-achromatic and chromatic aberration objective lens, observe the Abbe test plate under the oblique illumination of incident light to check the correction of the primary spectrum and spherical aberration of the object. 5.2 Objective lens imaging model (Section 4.2 of this standard) 5.2. 1
Test tools
and JH/545 1U0 standard pair/whole meter grid respectively: J/T47 line pair/millimeter grid: 113/5475 6CU line pair/wide meter grid: 1B/T7308.:3 state object test standard film 10×10 scaled flat field heliostat (standard field number is 16). 5.2.2 Test procedure
Place a 10×10 scaled flat field heliostat and a test objective on the microscope, and clearly identify the grid and reference plate respectively. The maximum clear range diameter is taken as the calibration value. Objects with numerical aperture less than or equal to 0.2 can use 100 line pairs/m grid scale; objects with numerical aperture greater than 0.2 and less than 0.3 can use 20 line pairs/m grid scale; objects with numerical aperture less than or equal to 0.4 can use 60 line pairs/m grid scale. Objects with numerical aperture less than or equal to 1.3 can use 5.3 line pairs/m grid scale (article 1.3 of this machine oil) 5.3.1 Test 1
8. The measurement is done on the same day;
b, the scale with a grid value of \.m\ is used for the mechanical microscope frame of the objective lens to be measured. c
5.3.2 Test sequence
After measuring the image height with a microscope on a special microscope stand, calculate the image height using the following formula: The total distance is 1m1s5u, and the objective lens is at infinity, Mcu.r
where: a is the focal length of the microscope recorded by the special microscope; ILk is the focal length of the microscope used to test the microscope, mur. 5.4 Example of the aperture of the microscope: This standard specifies the aperture of the microscope in section 4.1: a: The diameter of the blade is calculated:
6. Special microscope:
center, single choice.
5.4.2 Test procedure
not applicable to Abbe number. 5. Parfocal distance of objective lens (Section 5 of this standard) 5.5. 1 The parfocal distance of objective lens is 4C× objective lens with a length of less than u.1mm and a microscope stand. The specimen with a thickness of less than 0.cc5m and a micrometer with a micrometer of 0.C1 or a micrometer with a precision of 0.5mm are used. 5.5.2 The test procedure is to adjust the standard objective lens with a microscope that has been calibrated by a technician. The standard objective lens is placed on the test table. If the standard lens is not clearly adjusted, the second reading is read from the micrometer, which is the parfocal distance: 5.6 objective lens: (Section 4 of this standard) 5.6. 1 Test T. and
H rotate for two months, the objective end line and the family rotation line are not much the same as the objective line 3.mmh1) × scale month mirror;
c: the scale is m, the difference between the two points is not less than 0055.E.2 Test procedure www.bzxz.net
Place the program on the rotating tool, adjust the scale on the load structure, and rotate the tool to 1 minute, and get the same degree of the objective optical axis to the thread axis. 5.7 Objective thread (this standard promotes the 4th.7) The objective lens screw number ring gauge is used for inspection,
58. Environmental resources (Article 4.8 of this standard) 5.8.1 Test process
5.8.2 Test procedure
CU/T2605—1996
The entire lens is turned upside down, and the C3 effective code is gently added. The moving part of the lens should be able to move downward and then the bird is selected. After 5 seconds, the objective lens will recover quickly.
5.9 Traction performance "Article 4.8 of this standard!" 5.9.1 Test tools, liquid (both suitable for the object and the scope of the liquid) 5.9.2 Test process: Immerse the inspection lens into the liquid (the depth of the liquid cannot exceed the calibration hole, and the lens must be carefully matched with the sliding sleeve. The inside of the lens should not have any degree of penetration. 5.1 External requirements (Article 4.1G of this standard) 6 Marking and packaging 6.1 The marking of the microscope objective lens shall comply with the provisions of [57398.] 6.2 The packaging shall comply with the relevant provisions of 6/T544: Additional instructions: Technical standards are used by the Ministry of Industry and Information Technology of the People's Republic of China. This standard was drafted and approved by the National Technical Committee for Optical Instruments Standardization.
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