Compatible Sizes for Ocular Micrometer & Eyepiece


The ocular micrometer size required depends on the microscope manufacturer and the model
(part number) of the eyepiece. Please refer to the table below before making your request.

 Nikon Eyepiece Models

In addition to the magnification, the eyepiece may be labeled "CFW 10x/22" etc.
The "/22" part is the number of field of view and not the diameter of the micrometer.

Eyepiece Model
Micrometer
Size/mm
Possible Microscope Model
 C-W 10x B/22 (C-W 10x A/22) Φ 25  SMZ-1500
 SMZ-1000 / SMZ-800
 SMZ-745
 SMZ-645 / SMZ-660
 SMZ-1
 C-W 15x /16 Φ 19
 C-W 20x Φ 19
 CFI 10x CFI 12.5x CFI 15x Φ 27  
 CFI UW 10x Φ 27  
 CFUW10x N/A  
 CFW 10x CFW 15x Φ 21  
 CFWN 8x | 10x |15x Φ 21  
 CFUWN 10x Φ 27  
 CFUWN 15x N/A  
 E1-CFI 10x| E2-CFI 10x | E2-CFI 15x Φ 27  Eclipse E100 / E200
 SME 10x /23 N/A  SMZ
 SM-5
 SM-6
 SME 15x N/A  SMZ-1
 SME 20x N/A
 SME 20x /12 N/A
 SME 10x /21 N/A  SMZ-1
 SME 33x /5 Φ 10
 SMZ U UW10x A/24 Φ 25  SMZ-U
 SMZ U UW15x Φ 25
 SMZ U UW20x Φ 21
 SMZ U UW30x N/A
 SMZ 10 E10xA φ 24  SMZ-10
 SMZ 10 UW15x /17 φ 27
 SMZ 10 UW20x N/A
 SMZ 10 UW20x 15 Φ 27  
 CFPL 2x Φ 19  
 CFPL 2.5x Φ 19  
 CFPL 4x Φ 19  
 CFPL 5x Φ 19  
 CFWE 10x Φ 20  


 Olympus Eyepiece models

In addition to the magnification, the eyepiece may be labeled "CFW 10x/22" etc.
The "/22" part is the number of field of view and not the diameter of the micrometer.

 Eyepiece Model
Micrometer
Size/mm
Microscope Model
*combination is not limited to below list
 WHN10X | WHN10X -H Φ 24 (*)  BX61 / BX51 / BX41
 WH10X | WH10X -H | WH15X  BX50 / BX40
 WHS10X-H | WHS15X-H  SZX7 / SZX9 / SZX12
 CWH10X | CWH10X-H | CWH30X  CX41
 GSWH10X | GSWH10X-H
 GSWH15X | GSWH15X-H
 GSWH20X | GSWH20X-H
 GSWH30X | GSWH30X-H
 GW10X
 SZ60 / SZ40 / SZ11 / SD / SF
 WH12.5X | WH12.5X -H
 GWH10X / GWH10X-D | GWH10X-CD Φ 26  SZH / SZH10
 SWHK 8X Φ 28  Vanox and other
 SWHK 10X N/A
 G10X | G15X Φ 22
 WHK8X | * WHK10X
 WHK15X | NWHK10X
 (* WHK10X-H is N/A)
 NFK 2.5X | 3.3X | 5X | 6.7X
 PE 2.5X | 3.3X | 4X | 5X
 GWH15X-D | GWH15X-CD
Φ 20.4
 Can be substituthe with Φ 20mm with small rattle.
 Please inquire us for detail

 * To fix the micrometer to the WHK10X,
 the Olympus AF553000 fixing ring is required
.
 G20X-H Φ 20
 CWHK10X | NCWHK10X | G20X Φ 19  CK40 / CK30 / CH40 / CH30 / CH2
 NFK 2.5X | NFK 5X | NFK 20X
 NFK 3.3X | NFK 6.7X
 (*) The thickness of Olympus micrometer with φ24mm is 1.5mm, but the thickness of our micrometer
 is 1.0 mm. Since the printing surface is on the objective lens's side, the optical distance from the
 objective lens is the same, and there is no problem in use.


 Carl Zeiss / Leica Eyepiece models

Carl Zeiss and Leica has not released information in regards to what sizes of the micrometers can be
installed on their respective eyepiece models, or if any additional parts are required for installation.
And the disclosure of information is restricted except for direct inquiries from its users.
Therefore, please contact the manufacturer directly for further information.
Carl Zeiss Miroscope - Customer support (North America)
TEL : +1 800 327 9735
Mail : info.metrology.us@zeiss.com
Leica Microscope - Customer support (US)
TEL : +1 800 248 0223