ECOPTIK (CHANGCHUN) LTD Datasheets for Zoom Lenses
Zoom lenses are mechanical assemblies of lens elements that provide the ability to vary focal length and angle of view.
Zoom Lenses: Learn more
| Product Name | Notes |
|---|---|
| The eyepiece is used to observe the image formed by the front optical system. It is a component of the telescope, microscope and other visual optical instruments. The main function... |