Zaqw Achromatic Microscope Objective 40X High Magnification 20.2mm Interface Standard RMS Silver Objective Lens Microscope Objective

Feature: 1. BRIGHTER AND CLEARER IMAGE: Lens after coating bring high transmittance high refractive index possess brighter and clearer image 2. WITH PROTECTIVE DEVICE: Spring protection device can automatically rebound when the cover glass is encountered during observation to protect the lens from crushing the specimen 3. CORROSION RESISTANT BRASS: Brass material with fine workmanship corrosion resistant and not easy to fall exquisite and durable 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 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) 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 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.