Raguso 10X Microscope Lens Objective Lens Replacement 20.2mm Interface High Light Transmittance with Spring Device for Biological Microscopes

Specification:Item Type: Objective LensModel: 10/0.25Material: BrassUse: Microscope accessoriesInterface Size: Approx. 20.2mm / 0.8in (international standard RMS size)Numerical Aperture: 0.25mmCover Glass Applicable Thickness: 0.17mmMicroscope Applicable Mechanical Tube Length: Approx. 160mm / 6.3inWorking Distance: Approx. 7mm / 0.3inCommon Distance: Approx. 195mm / 7.7inParfocal Distance: Approx. 45mm / 1.8inHow 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 are suitable for observation under high magnification.Package List:1 x Objective Lens1 x Storage Box

• HIGH EFFICIENCY: Achromatic objective lens coating treatment, with high transmittance and refractive index, the image is brighter and clearer.
• 10x high power: the microscope objective lens has high power 10x magnification, the numerical value is accurate, and the is convenient.
• Spring device: with spring device, the cover can be automatically when it is observed to avoid crushing the specimen.
• Materials: the objective lens is made of excellent brass, and the is plated, with fine workmanship, and drop.
• Standard size: the screw interface is 20.2mm, which is the international standard size, and the connection is tight and not easy to fall off.