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3.7mm M12 Button Lens M12 Mount, 1.3 Megapixel 80degree Horizontal Viewing Angle F2.0 fixed Iris for CCTV Cameras - Walmart.com
![Focal length and lens angle of single lens (diameter: 1.2mm) vs.... | Download Scientific Diagram Focal length and lens angle of single lens (diameter: 1.2mm) vs.... | Download Scientific Diagram](https://www.researchgate.net/publication/232087831/figure/fig2/AS:669327766327310@1536591583555/Focal-length-and-lens-angle-of-single-lens-diameter-12mm-vs-applied-voltage.png)
Focal length and lens angle of single lens (diameter: 1.2mm) vs.... | Download Scientific Diagram
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Amazon.com: 1.85mm Fisheye Lens, Wide Angle Lens M12 Interface, 12MP HD, 1/1.8 Image Size, 1: 2.0 Clear Aperture, 1.85mm Focal Length, Panoramic Lens, Universal for Most Cameras : Electronics
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