LW Scientific Revelation 3 Microscope 20XR DIN Achromatic Objectives. This feature allows you to compare slides with both high and low magnification and see the "wrap-around" advantage of all-coated objectives. The Revelation 3's high-quality photographic lenses are fully multi-coated and formulated to produce no-wiggle images even at high magnification. Protected by LW Scientific 's Limited Lifetime Warranty. If you have any questions about any of the Microscope objective lenses please do not hesitate to contact our product specialist they will be happy to answer your questions. Package Contents: LW Scientific Revelation 3 Microscope Achromatic Objectives Lenses LW Scientific R3O-020X-DADR: Revelation 3 Microscope 20XR DIN Achromatic Objectives