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An overview of the LM microscope adapters
We offer LM digital adapter solutions for the following microscopes
Online configurator: LM microscope adapter for all digital cameras and microscopes
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LM Macroscope 9x (5x and 3x) for Focus Stacking: Highest resolution without compromise
LM photo microscopes: the flexible photography solution for large sensor cameras!
Special mounting medium for microscopy, non toxic,water solved,light hardening,fast solidifying and drying,neutraldoes not make air bubbles,high optical solution,color protecting,solvent free,high refractive index
Micro Tech Lab advisory service: microscopy, digital cameras, high quality photo
Microscope Digital Cameras: Camera ranking for microscopy use

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Professional microscope adapter for digital C-mount cameras with a sensor size up to 1/2"

With our newly developed LM relay lens adapter (factor 0.5x), cameras with a C-mount connecting thread (25.4 mm) can now be used on nearly all microscopes. The adapter features a solid build quality (CNC machined, lathed aluminium) and has a fully corrected panachromatic lens system.

CMount camera on eyepiecetube with LM relay lens adapter (factor 0,5)C-Mount camera with LM relay lens adapter (factor 0,5) onto a phototube


The adapter, which is a perfect fit for the sensor sizes shown in the table below, reduces the image field by 50%. This optical adjustment is necessary to ensure that the camera’s sensor is used to optimal capacity and that the section of the image in the eyepiece will match the image field represented by the camera.

relation diagonal [mm] width[mm] height[mm]
1/3,2" 4:3 5,6 4,5 3,4
1/3" 4:3 6,0 4,8 3,6
1/2,7" 4:3 6,7 5,3 4,0
1/2.5" 4:3 7,1 5,7 4,3
1/2,3" 4:3 7,7 6,2 4,6
1/2" 4:3 8,0 5,4 4,8
1/1.8" 4:3 8,9 7.1 5,3
1:1.7" 4:3 9.5 7.6 5.7

With various extensions, the adapter can be connected to nearly all microscopes. We offer ready-made solutions for standard eyepiece tubes with internal diameters of 23.2 mm and 30 mm, phototubes with C-mount adapters (25.4 mm) and phototubes with 37 mm, 38 mm or 42 mm. There are additional extensions for manufacturer-specific microscope adapters such as Olympus, Zeiss, Nikon, Leica, Bresser, etc. For more information, please see the online configurator at the end of this page.

In addition, the LM relay lens adapter also makes it possible to attach system cameras with interchangeable lens mounts and small image sensors, such as the Pentax Q (1/2.3" sensor), to microscopes.

Pentax Q LM relay lens adapter on eyepiecetube of a microscope

LM relay lens adapter with 23.2 mm tube connection: For tubes with larger internal diameters, additional extensions are available..


LM relay lens adapter with  tube connection 23,2 mm


LM relay lens  adapter with C-Mount extension: The adapter can also be screwed onto phototubes with C-mount connections (25.4 mm). The only important thing to keep in mind is that the C-mount port of the microscope must not have any additional lenses integrated

LM relay lens adapter with C-Mount extension

The adapter and C-mount camera form a compact unit and can be used on a wide variety of microscopes without any difficulty. 

C-Mount camera LM relay lens adapterC-Mount camera LM relay lens adapter plus C-Mount extension


You find further information and prices in our database:

Related Links


High-end intermediate optics for connecting microscopes to:
  • digital SLR cameras
  • digital mirrorless system cameras with an interchangeable lens mount
  • c-mount-, USB- and firewire cameras
  • digital compact cameras and camcorders
[Further information amd prices]
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Special mounting media  for microscopy

Tips and tricks to connect your digital camera and to process digital images


 Demo Pictures

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