Uploaded April 2017 | Updated September 2026, 1 week ago

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John Escolas, Operations Manager at Sydor Optics, explains the benefits of the Glassmaster 520 planetary polisher, including:
- Precision: Consistently achieves flatness down to λ/20 or better
- Versatility: Polishes a variety of flat optics, from one-off parts to catalog parts
- Reliability: Glassmaster 520's stay running 24 hours a day, 7 days a week with minimal downtime.

Sydor Optics is an industry leading flat optics manufacturer located in Rochester, NY. Learn more about the company at their website: sydor.com

For more information on the Glassmaster 520, visit optipro.com/planetary-polishing-glassmaster520.html