Achromatic Microscope Objective 40X High Magnification 20.2mm Thread Standard RMS Black 195

Feature: 1. BRIGHTER AND CLEARER LENS: Lens after coating bring high transmittance, high refractive index, provide brighter and clearer image 2. 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. DURABLE 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, very practical 5. 40X MAGNIFICATION: This is a 40X high magnification objective, helps a lot in study, work or research, useful, helpful and convenient 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. Package List: 1 x Lens 1 x Storage Box