BTLM Series Varible Iris Bi-telecentric Lenses
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BTLM Series Varible Iris Bi-telecentric Lenses - WD:65mm is backordered and will ship as soon as it is back in stock.
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⚠️ 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
wcss02@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 and Shipping
Delivery and 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 crips.xu@vtocn.com
BTLM Series Varible Iris Bi-telecentric Lenses
Main Features
■ Support up to 8M Pixel cameras;
■ Zero perspective error over the entire Field of View;
■ Big depth of field and constant magnification over defined depth
of field;
■ Customization available with best performance/cost rate;
■ Equipped with a Manual Iris for adjusting the Depth of Field.
| Model |
Variable Iris
|
Coaxial
|
WD（mm）
|
|---|---|---|---|
|
BTLM-0.5X-65-23
|
No | No |
65±1
|
|
BTLM-0.5X-65D-23
|
No
|
Yes
|
65±1
|
|
BTLM-0.4X-85-23
|
No
|
No |
85±2
|
|
BTLM-0.4X-85D-23
|
No
|
Yes |
85±2
|
|
BTLM-0.3X-110-23
|
Yes
|
No |
110±2
|
|
BTLM-0.3X-110D-23
|
Yes | Yes |
110±2
|
|
BTLM-0.166X-166-23
|
Yes | No |
166±3
|
|
BTLM-0.075X-220-H1
|
No | No |
220±3
|
|
BTLM-4X-45-H1.2
|
No | No |
45±1
|
|
BTLM-4X-45D-H1.2
|
No
|
Yes |
45±1
|
|
BTLM-4X-45-H1.2 (IA)
|
Yes | No |
45±1
|
|
BTLM-2X-66-H1.2
|
No | Yes |
66±1
|
|
BTLM-2X-66D-H1.2
|
No | Yes |
66±1
|
|
BTLM-2.0X-39-H2
|
No | No |
39±1
|
|
BTLM-0.55X-83-H2
|
No | No |
83±1
|
|
BTLM-0.1536X-220-21
|
No | No |
220±3
|
|
BTLM-0.462X-378-Q434
|
No | No |
378±4
|
|
BTLM-0.462X-378D-Q434
|
No
|
Yes
|
378±4
|
|
BTLM-0.53X-338-Q434
|
No | No |
338±5
|
|
BTLM-0.53X-338D-Q434
|
No | Yes |
338±5
|
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.
Telecentric Lenses Download
Payment & Security
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