Achromatic Objective Brass 60X Microscope Lens for Biology Laboratory Interface 20.2mm

Feature: 1. Clearer Image: This lens is coated with high light transmittance, high refractive index, and brighter image 2. Automatic Rebound: Spring protection device, automatically rebound when touches cover glass during observation, protect lens from crushing specimen 3. Brass Material: Adopts high quality material, fine workmanship, corrosion and fall prevention, exquisite and durable, chrome plated for shell 4. Application: Interface size is the international standard RMS size, can be used by most professional biological microscopes on the market 5. Basic Specifications: This lens has 60X magnification, common rail distance of 195mm, and parfocal distance of 45mm Specification: 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 Objective1 x Storage Box