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If you are having trouble with lens slippage while edging, try Sure Lock Hydrophobic Gripping pads under our new PSI Red Blocking Pad.  The two work together to create a strong bond between the lens and the block to reduce torquing.  Shop

NEW Universal Generator Bags

Universal coolant bag hooked to generatorPSI’s new Universal Generator Bags are designed to collect swarf from lens generators and edgers. These bags eliminate the need to frequently scoop swarf from coolant tanks. They have a zippered, vinyl top and handles on the bottom for easy disposal of lens swarf. It comes in two sizes, short and tall to fit any tank.  More…

clear-choice-diamondsPSI is now the exclusive distributor for Diateq Lab’s quality line of diamonds, milling cutters and edging tools.  Learn more about these high quality tools that are cost effective and provide excellent surface quality. More…

The Slurry System of Choice for Digital Lens Processing.

Central Slurry System for digital lens processing.PSI’s 915, 23-gallon capacity slurry system is designed to consolidate slurry for digital processing. It reduces the number of chillers and slurry tanks needed by half. Designed with two pumps and a two-filter system, it handles high volumes of polish.  Jeff Rich, Technical Support/New Products Manager, explains the features and benefits of this slurry system for digital processing.  More

Tech Notes & Information

Additional information on surfacing and finishing lenses.

  • Lens Cleaner – Still Working As A Marketing Tool

    Over 40 years and still working! Today there are all kinds of electronic apps, emails and web reminders to send to customers to get them to return to your shop for a re-check or a new set of frames. Sometimes the simplest, old fashion thing can be just as effective, like private label lens cleaner. History of […]

  • Slurry System for Digital Lens Processing

    Since 1971, PSI has been manufacturing Practical Systems for optical laboratories. A couple years ago, to meet the growing demand for digital processing, PSI expanded its line of slurry systems to include the new 915 Central Slurry System. This 23-gallon capacity slurry system consolidates slurry for up to 4 digital polishers while providing the proper […]

  • Transformer Lens Fining Pad

    PSI is happy to announce the new Transformer lens fining pad for processing plastic lens materials. This fining pad is unique because it transforms as it fines, just like the lens.  It starts out coarse and as it fines the lens it becomes smoother and more transparent. Likewise, the lens is transformed to have an ultra smooth […]

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  • Universal Coolant bag for collecting lens edger and generator scarf

    Universal Generator / Edger Bag

    Universal reusable bag for collecting swarf from lens generators and edgers.

    Must be used in conjunction with coolant tank bag, RB-SPRINT

    Available in short version (18″h x 25″w – RB-GB1) or tall version (25″h x 18″w – RB-GB2)

    $148.77 Select options
  • Trident Reception Chucks

    Trident Reception Chucks

    Trident Reception Chucks, v-style for Loh blocking system.

    $160.00 Select options
  • Block Center Press

    Block Center Press

    Block Center Pres for facilitating the removal and replacement of center in lens blocks for optical lens processing. Pressing tool is included for precise replacement of centers to prevent prism, axis deviations and uneven fining and polishing.

    Part #386

    Replacement Centers

    $834.75 Add to cart