The 3.37mm is our newest 4K lens designed for the GoPro Hero 4/3, DJI Phantom 4/3, DJI Inspire X3 and Yuneec Typhoon H CGO3+ camera lines. With its 87 degree HFOV 16MP sharp 7 glass (4G+3MO) non-fisheye optics this lens captures the entire image sensor.
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Compared to our popular 3.97mm lens, the 3.37mm is a little wider field of view and has better edge sharpness. The flare is a little more concentrated into points instead of spread out like with the 3.97mm. The 3.37mm also has a shorter TTL, so it sticks out of the camera less. This means you can use it in the GoPro Hero 4/3 waterproof housing and the focus will not change.
After removing the stock lens the 3.37mm threads in easily. No need to change to a different lens mount and all GoPro, DJI and Yuneec accessories that mount around the lens surround are supported. No gap is present between the lens and the black GoPro lens surround as the 3.37mm lens spans the entire cavity. On the DJI cameras a small gap will be created as the lens is not as large in diameter as the stock lens, so we recommend using the original glass lens protector to keep debris out. On the Yuneec CGO3+ camera the stock lens is the same diameter so no gap or modifications to the lens surround is required with the 3.37mm lens installed.
On the GoPro Hero, we recommend using an ND4 filter (or higher) with ISO400 for full sun shooting. On the Yuneec Typhoon H we recommend keeping shutter speeds at 1/500s or slower to reduce jello from the rolling shutter during full sun shooting. If the slower shutter speeds are too bright you can add ND filters to stop down the light.
With the same f-stop as the stock lens on the GoPro, DJI and Yuneec cameras the capture software will never know the lens has been changed. Light levels will be handled as normal and depth of field will be very similar.
With it being 36 degrees narrower than the stock GoPro lens, 3 degrees narrower than the DJI Inspire X3 and Phantom 4/3 cameras and 11 degrees narrower than the Yuneec H CGO3+ camera, this lens brings your subjects closer without being too zoomed in to introduce unwanted image jitter.