1. BRIGHTER AND CLEARER IMAGE: Lens after coating bring high transmittance, high refractive index, possess brighter and clearer image
2. WITH PROTECTIVE DEVICE: Spring device can automatically rebound when the cover glass is encountered during observation, to protect the lens from crushing the specimen
3. BRASS: Brass material with fine workmanship, and not easy to fall, exquisite and , the shell is chrome plated with accurate materials
4. UNIVERSAL SCREW INTERFACE: The screw interface size is the international standard RMS size, which can be used by 95% of professional biological microscopes on the market
5. 40X MAGNIFICATION: This is a 40X high magnification objective, helps a lot in study, work or research, useful, helpful and practical

Spec:
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)
Numerical Hole Diameter: 0.65mm
Cover Glass Applicable Thickness: 0.17mm
Microscope Applicable Mechanical Tube Length: Approx. 160mm / 6.3in
Working Distance: Approx. 18mm / 0.71in
Common Rail Distance: Approx. 195mm / 7.68in
Parfocal Distance: Approx. 45mm / 1.77in
Spring: Yes(automatic rebound)

Package List:
1 x Lens
1 x Storage Box