BTL-23 Series Bi-Telecentric Lenses C-Mount for 2/3" Sensors
Ship To Detecting...
Delivery: -
BTL-23 Series Bi-Telecentric Lenses C-Mount for 2/3" Sensors - WD:73mm Mag.0.438x [FOV26mm] ...è stato ordinato al fornitore e verrà spedito non appena sarà di nuovo disponibile.
Don’t Order Before Reading This
Don’t Order Before Reading This
💳 Transaction Fees Are Non-Refundable
When a refund is issued, please note that payment processing platforms do not return their service fees. These fees are not charged by our store, but by third-party providers (Shopify & PayPal).The handling fee will be deducted from a certain percentage of the order amount.
Shopify Payments: 2% transaction fee is not refundable.
PayPal: Charges a 4.4% + $0.30 USD fee, which is also non-refundable.
These amounts will be deducted from your refund total.
💬 Refund Policy – Important Fee Notice
We understand that sometimes you may need to cancel an order. Here’s what you need to know about refunds on our website:
🧾Notice for U.S. Customers
Due to applicable tariffs, please email your company name and FedEx, UPS, or DHL account number to market@visiondatum.com after placing your order. (U.S. customers only)
✅ Order Production Policy
All of our products are made to order or prepared specifically based on your purchase. We kindly ask customers to confirm their needs before placing an order. If you need assistance or further clarification before ordering, feel free to contact us - we’re here to help!
Delivery & Shipping
Delivery & Shipping
Order Processing Time
- All orders are processed within 1 business day.
Preparation Time
- In-stock items: Ready for quick shipment.
- Pre-order items: Typically require around 7 days for preparation. We will notify you promptly after your order.
Shipping Carriers
- Orders are shipped via DHL Express, FedEx, or other couriers.
Address Changes
- Please ensure your shipping address is correct before placing your order.
- Once an order is processed, address changes may not be possible.
Order Notification Emails
- Order Confirmation Email (sent after checkout)
- Shipping Confirmation Email (includes tracking info)
If you have any questions please email to market@visiondatum.com
FAQ
FAQ
BTL-23 Series Bi-Telecentric Lenses C-Mount for 2/3" Sensors
BTL-23 Series Bi-Telecentric Lenses C-Mount for 2/3" Sensors - WD:73mm Mag.0.438x [FOV26mm] ...è stato ordinato al fornitore e verrà spedito non appena sarà di nuovo disponibile.
Product Description
The BTL-23 Series is a 2/3" C-mount telecentric lens family designed for precision machine vision, metrology, and industrial inspection. With 26–300mm FOV, 0.438X–0.038X magnification, ultra-low distortion, and excellent telecentricity, it delivers accurate dimensional measurement and stable imaging for demanding industrial applications.
Key Features
- 26–300mm FOV – Covers small to large inspection areas.
- Ultra-Low Distortion – <0.1% measurement accuracy.
- Excellent Telecentricity – <0.1° consistent imaging.
- High Optical Resolution – Up to MTF30 >190 lp/mm.
- Wide Camera Compatibility – Supports 1/2.5"–1.1" C-mount cameras.
- Industrial Reliability – Built for continuous operation.
Applications
- Precision Measurement
- Semiconductor Inspection
- PCB Inspection
- Battery Cell Inspection
- Electronics Manufacturing
- Automated Optical Inspection (AOI)
Specifications
| Model | FOV (mm) | Mag. (X) | WD (mm) | F/# | MTF30 (lp/mm) |
|---|---|---|---|---|---|
| BTL-0.438X-73-23 | 26 | 0.438 | 73 ±1 | 6.0 | >130 |
| BTL-0.317X-110-23 | 36 | 0.317 | 110 ±2 | 5.4 | >145 |
| BTL-0.271X-118-23 | 42 | 0.271 | 118 ±3 | 4.9 | >185 |
| BTL-0.238X-128-23 | 48 | 0.238 | 128 ±3 | 5.4 | >165 |
| BTL-0.238X-138-23 (LM) | 48 | 0.238 | 138 ±3 | 6.7 | >130 |
| BTL-0.204X-138-23 (LM) | 56 | 0.204 | 138 ±3 | 4.9 | >180 |
| BTL-0.178X-158-23 (LM) | 64 | 0.178 | 158 ±3 | 4.9 | >180 |
| BTL-0.158X-178-23 (LM) | 72 | 0.158 | 178 ±3 | 4.9 | >180 |
| BTL-0.142XH-228-23 (LM) | 80 | 0.142 | 228 ±4 | 4.9 | >180 |
| BTL-0.127X-208-23 (LM) | 90 | 0.127 | 208 ±3 | 4.9 | >180 |
| BTL-0.114X-238-23 (LM) | 100 | 0.114 | 238 ±4 | 4.9 | >185 |
| BTL-0.104X-263-23 (LM) | 110 | 0.104 | 263 ±4 | 4.9 | >190 |
| BTL-0.095X-273-23 (LM) | 120 | 0.095 | 273 ±5 | 4.9 | >185 |
| BTL-0.084X-288-23 (LM) | 136 | 0.084 | 288 ±5 | 4.9 | >185 |
| BTL-0.076X-300-23 (LM) | 150 | 0.076 | 300 ±5 | 4.9 | >185 |
| BTL-0.067X-318-23 (LM) | 170 | 0.067 | 318 ±5 | 4.9 | >180 |
| BTL-0.060X-330-23 (LM) | 190 | 0.060 | 330 ±5 | 4.9 | >180 |
| BTL-0.053X-372-23 (LM) | 216 | 0.053 | 372 ±5 | 4.9 | >180 |
| BTL-0.048XH-410-23 (LM) | 240 | 0.048 | 410 ±6 | 4.9 | >180 |
| BTL-0.044X-338-23 (LM) | 258 | 0.044 | 338 ±5 | 4.9 | >180 |
| BTL-0.038X-465-23 (LM) | 300 | 0.038 | 465 ±6 | 4.9 | >180 |
Note 1：The back focal length of model with (LM) is adjustable.
Note 2：Warm tips: The above DOF is just theoretical value at the ideal aperture (eg. ±763@F11). Actual DOF or the DOF what you need, please check with our sales engineer before order cfm.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
