[International Standard Rms Size] : With an interface size that adheres to the international standard rms size, this lens is compatible with most professional biological microscopes on the market for versatile use.
[Spring Protection Device] : Featuring a spring protection device that automatically rebounds to prevent crushing specimens during observation, ensuring long-lasting durability.
[​​​ Material] : Crafted with ​​ materials, fine workmanship, and chrome plating for ​​​ and fall prevention, making it exquisite, sturdy, and long-lasting.
[High Light Transmittance] : This lens is coated to provide high light transmittance, high refractive index, and brighter images for exceptional clarity.
[60x Magnification] : Offering 60x magnification, a common rail distance of 195mm, and a parfocal distance of 45mm, this lens delivers high power performance for detailed observations.

Spec:
Item Type: Achromatic Objective
Model: 60/0.85
Material: Brass
Use: Microscope Accessories
Interface Size: Approx. 20.2mm / 0.80in (International Standard RMS Size)
Magnification: 60X
Numerical Aperture: Approx. 0.85mm / 0.03in
Cover Glass Applicable Thickness: Approx. 0.17mm / 0.007in
Microscope Applicable Mechanical Tube Length: Approx. 160mm / 6.30in
Working Distance: Approx. 0.53mm / 0.02in
Common Rail Distance: Approx. 195mm / 7.68in
Parfocal Distance: Approx. 45mm / 1.77in
Spring: Yes (Automatic Rebound)

Package List:
1 x Achromatic Objective
1 x Storage Box

How To Use:
Can be used after connecting with the microscope.
In order to facilitate observation, recommended to start observation at low magnification, more difficult to adjust at high magnification than at low magnification. According to the characteristics of the observed specimen, not all slices are suitable for observation under high magnification.