We have just launched a website for PSmicrographs. The company specialise in science images, particularly images or photographs taken under the microscope, known as SEM images or Scanning Electron Micrographs.The website is an online library for stock science images, which can be used for a wide range of media publication.
The images on this site are simply incredible, you can see them by following this link: Science Images
If you are looking for SEM Images images then this site is perfect for you.