Offered is a set of original Carl Zeiss microscope objectives, manufactured in Germany, known worldwide for their outstanding optical precision and quality. This lot includes: A-Plan 100x / 1.25 Oil immersion A-Plan 40x / 0.65 Plan 25x These objectives feature plan-corrected optics, ensuring a flat and sharp image across the entire field of view, making them highly desirable for both laboratory use and collectors. They were part of a working setup and were used until approximately two years ago. The lenses appear to be in good visual condition, with no obvious external damage. However, as they have not been recently tested, current optical performance cannot be guaranteed. Standard RMS thread, compatible with a wide range of microscopes (DIN 160 mm system). A valuable set for: - Microscope enthusiasts - Laboratories - Collectors of scientific instruments - Educational or decorative use Condition note: Used condition. Previously functional, last used around 2 years ago. Stored since then. Not recently tested — sold as seen.