4X 10X 20X 40X 60X 100X Spring Achromatic Microscope Objective Lens for Compound Microscope. The details is as follows. Product: Achromatic Objective Lens (Spring). Magnification:4X 10X 20X 40X 60X 100X. International standard interface 4/5" 1/36 inches".Diameter about: 20.3 0.705mm. We will reply to you as soon as possible. If you need something else, p lease leave a message. Your feedback is really important to us, please take a few seconds to leave great feedback. If you are satisfied with our product or service, so thank you very much! You can contact me if you have any questions. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical/Lab Equipment Attachments & Accessories\Microscope Parts & Accessories\Microscope Objectives". The seller is "bohr-optics" and is located in this country: CN. This item can be shipped worldwide.