ITEM NAME:100X (Oil, Spring) Achromatic Compound Microscope Objective Lens Description: This 100X/1.25, DIN 160/0.17(spring, oil) Achromatic microscope objective lens fits common size compound microscopes. 100X Magnification Power. DIN Standard Achromatic Objective Lens. Spring loaded for protecting lens and slides. 20.2mm RMS Mounting Thread (in diameter). Specification: Material: Metal Size: 38mm Package Includes: 1 Piece Achromatic microscope objective lens SKU: FUZ0028185877008750.DIN Standard Achromatic Objective Lens. 1 Piece Achromatic microscope objective lens. 100X Magnification Power. Spring loaded for protecting lens and slides. SKU: FUZ0028185877008750.