SmartDive LED Driver
Choosing a lens for SmartDive ROV's camera
For our SmartDive ROV we needed lenses that provide the widest possible viewing angle with the least amount of distortion. We've tried a lot of lenses, and here are some of our findings.
The first photo was taken with a lens that gives a wide angle (we've measured 106 degrees) but also a lot of barrel distortion. The focal length is 2.4 mm.
The second photo was taken with a lens with no distortion, but with significantly narrower angle (89 degrees). The focal length is 2.8 mm.
And here is a photo taken with our best pick lens that provides both wide angle (105 degrees) and almost no distortion. Its focal length is 2.2 mm.
We use these lenses on our SmartDive ROV.
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