This is the same lens used in the Survey3N cameras. For Survey3 you can swap to any lens and then load the associated firmware onto the camera.
Lens Focal Length: 8.25mm
35mm Equivalent Focal Length: 47.0mm
Native Sensor Size Supported: 1/2.3"
Field of View: 51 x 41 x 32 degrees (Diagonal, Horizontal, Vertical)
Filter Installed: Choose Filter Above
Megapixel Rating: 16.0MP
Optical Distortion: <-1.0%
Hyperfocal (Infinity) Focus Distance: 178.97 inches (14.91 feet), 454.58 cm (4.55 m)
Lens Construction: 7G (All Glass Elements)
Dimensions: 15.65mm Length, 12.0mm Diameter