This is description of this part:
Manufacturer: Carl Zeiss Jena
Model: Ph HI 90 1.25
Magnification: 90x
Correction: Achromat
Numerical Aperture: 1.25
Tube Length: 160 mm
Focal Length: 33 mm
Cover Glass: 0.17 mm
Immersion: Yes, oil immersion
Thread: RMS
Info: Ph = phase contrast. NOTE - this is not a "Phv" type contrast.
This objective lens is in excellent condition, with no signs of use. It's difficult to find an objective lens of this quality on the used parts market.
It can be used with any microscope from any manufacturer, along with a compatible phase contrast condenser. The microscope must be compatible, meaning it supports RMS objectives, TL = 160 mm, FL = 33 mm.
After installing the 12 mm adapter, this objective lens will have FL = 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