1. [HIGH TRANSMITTANCE LENS] Coating ensures brighter and clearer images
2. [AUTOMATIC REBOUND] Protective spring device prevents lens damage
3. [- BRASS] Durable material with chrome-plated Cover
4. [INTERNATIONAL STANDARD SIZE] Fits most professional microscopes on the market
5. [IDEAL FOR RESEARCH] 40X high magnification objective for detailed study

Specification:
Item Type: Achromatic Microscope Objective
Model: 40/0.65
Material: Brass
Use: Microscope accessories
Interface Size: Approx. 20.2mm / 0.8in (international standard RMS size)
Magnification: 40X
Numerical Hole Diameter: 0.65mm
Cover Glass Applicable Thickness: 0.17mm
Microscope Applicable Mechanical Tube Length: Approx. 160mm / 6.3in
Working Distance: Approx. 0.53mm / 0.02in
Common Rail Distance: Approx. 195mm / 7.68in
Parfocal Distance: Approx. 45mm / 1.77in
Spring: Yes(automatic rebound)

How to Use:
1. Can be used after connecting with the microscope.
2. In order to facilitate observation, it is recommended to start observation at low magnification. It is 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.

packing list:
1 x Lens
1 x Storage Box