Carl Zeiss Germany 40X Plan Apo microscope objective, with iris. The N.A. of this objective can be varied from 0.6 to 1.0 by means of the built-in iris diaphragm. This objective is intended for use on microscopes with tube lengths of 160 mm.
Features:
- 40X Magnification
- Plan Apo
- Oil Immersion
- Can be used with or without a cover slip (160/-)
- N.A. variable from 0.6 to 1.0 by means of the iris diaphragm
- Suitable for both brightfield and darkfield (darkground) use
- Standard R.M.S. mounting threads
- 160 mm T.L.
- Parfocal distance 45 mm (D.I.N. Standard)
- Beautiful condition, iris working smoothly, clear optics
- Made in Germany by Carl Zeiss
- Zeiss protective objective case included