Description
BTLM series bitelecentric lens are designed and optimized for high accuracy measurement application. These lenses feature variable iris for Depth of Field and
resolution adjustment,big F/# for high pixel camera and one style design which is easy for industrial manufacture.
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.
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