Description
- 4X 10X 40X 100X 4PCS Biological Microscope Objective Lens. Thread Diameter 20.2MMx0.705.
- 4x: Numerical aperture 0.10; focal distance 31.07; Working distance 28.93. 10x: Numerical aperture 0.25; focal distance 17.47; Working distance 5.82.
- 40x: Numerical aperture 0.65; focal distance 4.37; Working distance 0.62. 100x: Numerical aperture 1.25; focal distance 1.71; Working distance 0.23.
- Perfect microscope accessories, exquisite workmanship, can be widely used in microscope. With good durability and stability.
- You can reach us anytime for any query and I'll available 24x7 to assist you, have a good day.