Feature:1. 2MP highdefinition lens with optical distortion 0.1%, providing a clearer field of view.2. Low distortion, high compatibility, can adapt to most industrial cameras.3. The aperture can be fixed and locked with 2.436mm object sight distance, which is more convenient.4. The zoom lens can be used as multiple fixed lenses, thus saving the time of changing lenses.5. You can change the shooting range by changing the focal length, so it is very useful for composition.Specification:Item Type: LensMaterial: Aluminium Alloy + ABSLens Construction: Aluminium Alloy + 4 Groups 5 SheetsOptical Multiple:0.12X - 1.8XZoom Ratio: 15:1 Image Format: 1/2INResolution: 2MPMount: C/CSOptical Distortion:-0.1% Working Distance: 55-285mm Object Sight Distance: 2.4-36mm Dimension: 39112mm/1.54.4in Relative Illumination: 79% Operation: Zoom, Fixed, Focus, Manual, Iris, FixedOperating Temperature: -20 - +80How to Use:Connect the Lens to Industrial Camera or Electron Microscope Lens to Use, You Can Adjust the Magnification to Watch.Package List:1 x Lens