Compensated zoom lens
For operation in hazardous environments

Compensated zoom lens
For remote and hazardous environments where simple optical design offers significant benefits - Resolve Optics has developed a new optically compensated zoom lens design that vastly reduces the moving parts to just a single push pull movement.
Further Information: https://www.resolveoptics.com/2020/12/simple-zoom-lens-for-use-in-remote-or-hazardous-environments/
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