The first consideration is the type and size of the specimen.
Magnification is fairly simple and straightforward.
This section covers this subject because knowledge of the markings on an objective will give you the information concerning its proper use and whether it is suitable for the microscopic task you have in mind. Lens Type . The first thing that most lenses have is some lettering such as Plan-Neofluar, Plan Fluotar, Planapochromat, Plan or Achroplan. These are all different types of objective which have many glass, fluorite, or quartz elements for light path corrections. The types of lenses listed here are based on the Zeiss objectives as the Facility microscope is a Zeiss LSM 310.