This is description of this part:
PZO 20x microscope objective for variable phase contrast.
Manufacturer: PZO Poland
Model: 20/0.4 PhZ 160/0,17
Magnification: 20x
Correction: Achromat
Numerical aperture N.A.: 0.4
Tube length: 160 mm
Focal length: 45 mm
Cover glass: yes, 0,17 mm
Immersion: no
Thread: RMS
Info: PhZ = variable phase contrast (white ring).
PZO PhZ objectives, designed for variable phase contrast, are intended to be used together with the PZO K3PhZ phase contrast condenser equipped with a rotating polarizer.
This objective can be used with any microscope from any manufacturer together with a compatible phase contrast condenser. Naturally, the microscope must support RMS objectives with a tube length of 160 mm and a focal length of 45 mm.
What is this part needed for?
- If you have a microscope without objectives and need to restock it using original parts
- If you have a microscope that doesn't have an objective lens with this magnification and want to restock it
- If you have such an objective lens, but it's of very poor quality or damaged
- If you're cautious and want to have a spare objective lens