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0.25mm Dot Grid Target | Optical Glass | 50x50mm | Positive
  • 0.25mm Dot Grid Target | Optical Glass | 50x50mm | Positive
0.25mm Dot Grid Target | Optical Glass | 50x50mm | Positive

0.25mm Dot Grid Target | Optical Glass | 50x50mm | Positive

$34.54
$34.54
Dot Size and Spacing
Dot Size and Spacing
0.25mm / 0.5mm
Board Size
Board Size
50x50mm
Material & Processing
Material & Processing
Glass + Laser Direct Writing (Accuracy ±1μm)
DOTMTX-OPG-50x50-D0.3-S0.5
In stock
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  • Maestro
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  • Union Pay
  • Visa
Payment

What payment methods do you accept?

We accept common online payment methods, including credit card, Apple Pay, Google Pay, and other available checkout options.

Can I cancel my order and get a refund after payment?

Yes. If you contact us within 1 day after placing the order, the payment can usually be refunded before the order is processed.

Please contact us at admin@fulteng.com as soon as possible with your order details.
Shipping

How long does shipment take?

Order preparation usually takes 3–5 working days before shipment.

After the order is shipped, international delivery usually takes around 3–10 days, depending on the destination country and local delivery process.

How will my order be delivered?

We use e-commerce logistics to deliver the order to you.

The general process is:

  1. Order processing — payment is checked and stock is confirmed.
  2. Packing — the product is picked, packed, and prepared for shipment.
  3. Carrier hand-off — the package is passed to the logistics provider.
  4. Last-mile delivery — the local courier delivers the package to your address or collection point.

When will I receive the tracking number?

The tracking number is usually available only after the package reaches the last-mile courier stage.

This means tracking may not appear immediately after the order is packed or shipped.
Return policy

Can I return a standard product?

Yes. Standard products can be returned for any reason within 7 days after you receive the goods.

Please note:

  • The item should be returned in its original condition.
  • The return shipping cost is paid by the customer.
  • The standard return shipping cost is USD $35.

Can I return a custom product?

Custom products are made or prepared according to your specific requirements, so they usually cannot be returned.

Custom products can only be returned or handled if there is a confirmed quality problem with the product.

0.25mm dot grid calibration target on optical glass for lens distortion measurement, camera calibration, machine vision setup, and optical system verification.

Specifications

Part Number DOTMTX-OPG-50x50-D0.25-S0.5
Dot Size 0.25mm
Dot Spacing (Pitch) 0.5mm
External Dimension 50x50mm
Pattern Size 35.5x35.5mm
Array 71x71
Accuracy ±1μm
Material Glass
Manufacturing Process Laser Direct Writing
Polarity Positive