Dongguan Dafan Optical Technology Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | The average monthly production capacity for calibration plates and film is 300,000 pieces |
| Shipping Option | FedEx and UPS |
| Delivery Time | 10 Work Days |
| Packaging Details | Carton boxes, plastic sponge boxes, customized wooden boxes, etc |
| Certification | ISO9001 |
| Place of Origin | China |
| Brand Name | DFOPTIX |
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Product Specification
| Payment Terms | T/T | Supply Ability | The average monthly production capacity for calibration plates and film is 300,000 pieces |
| Shipping Option | FedEx and UPS | Delivery Time | 10 Work Days |
| Packaging Details | Carton boxes, plastic sponge boxes, customized wooden boxes, etc | Certification | ISO9001 |
| Place of Origin | China | Brand Name | DFOPTIX |
| High Light | Lens Calibration Focusing Test Card ，camera Lens Focusing Test Card | ||
Lens Focusing Test Card
The lens focusing test card is a specialized tool used for camera lens calibration. Its core function is to assist in completing lens focus calibration, back focal length detection, resolution verification, and to troubleshoot imaging problems such as pillow and barrel distortions. It is widely used for precision debugging in photography equipment, surveillance cameras, industrial vision, and other scenes.
Its common design features a fan-shaped star as the core pattern, and some models are equipped with black and white line pairs, gradient lines, and other markings. The test patterns are evenly distributed in different areas, which can cover the entire range of the image for focusing performance testing.
Core purpose:
Lens calibration: Assist in adjusting the camera lens, complete the focus accuracy calibration of the full focus range, and solve the problem of lens out of focus.
Performance testing: Verify the focal length of the lens, the resolution of each area of the image, and identify geometric distortion issues in the imaging.
Equipment calibration: It is a necessary clarity calibration tool for monitoring, industrial cameras, and film and television camera equipment after assembly.
Company Details
Business Type:
Manufacturer
Year Established:
2018
Total Annual:
$12000000-$15000000
Employee Number:
120~150
Ecer Certification：
Verified Supplier
Dongguan Dafan Optical Technology Co., Ltd.(DFOPTIX) was founded in 2018, its headquarters located in Dongguan City, Guangdong Province, China. DFOPIX is a system-level calibration solutions service provider with engineering culture as its cornerstone and technological innovation as its core. Curren... Dongguan Dafan Optical Technology Co., Ltd.(DFOPTIX) was founded in 2018, its headquarters located in Dongguan City, Guangdong Province, China. DFOPIX is a system-level calibration solutions service provider with engineering culture as its cornerstone and technological innovation as its core. Curren...
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