BTL-23 Series Bi-Telecentric Lenses C-Mount for 2/3" Sensors
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BTL-23 Series Bi-Telecentric Lenses C-Mount for 2/3" Sensors - WD:73mm Mag.0.438x [FOV26mm] está esgotado e será enviado assim que estiver de novo em estoque.
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Don’t Order Before Reading This
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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.
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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] está esgotado e será enviado assim que estiver de novo em estoque.
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.
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