Thank you for Looking To PSI for Optical Lab Supplies & Equipment. Now You Can Shop On-Line!


inventoryblowout_bannerPSI’s Inventory Blowout offers deep discounts on discontinued or overstocked items.  Save on CDP 2mm diamonds for only $575 each or 12-tooth milling discs starting at $1800.00. Click Clearance Items to view more.  Shop

Transformer One-Step Fining Pad for Glasstransformer-el2-white-smbackgroundPSI is happy to announce the new Transformer all-materials fining pad. This unique pad transforms as it fines from its original course state to a smoother, transparent condition. Learn more about this innovative one-step fining pad for all plastic materials here. Order it online.
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…
red_surelockIf 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

Tech Notes & Information

Additional information on surfacing and finishing lenses.

  • 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 […]

  • Online Shopping for Optical Supplies

    Practical Systems, Inc, PSI, announced that it has officially launched a redesigned website with online shopping for optical supplies and equipment at  According to Patrick Hernandez, PSI President, the new website does not replace the direct, responsive customer service that PSI is known for but provides another access point to their products, as well as […]

  • Recycling Water in the Lab, Saves The Environment & Money!

    Going Green To me these terms are associated with future generations and how they will benefit from what we are doing today. We are all feeling the pressures to make an investment towards saving the environment. In the case of recycling and filtering water in the optical lab, Going Green will not only benefits the […]

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  • 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
  • Air Pad Press for abrasive pads in lens processing

    Air Pad Press

    Air Pad Press for applying abrasive fining pads to laps for lens processing. Consistently secures pads in only 15 seconds.  Has safety dual hand actuation buttons for operator safety and meets OSHA standards.

    Part #380

    PSI Fining Pads

    $1,895.00 Add to cart