Where can I buy the parts to modfy the optical flow lens? about redtail HOT 9 CLOSED

Hello, you can use lenses with 6mm focal length, with S-mount, with IR filter and that are good for 1/3" image sensors if you want to replicate our wider angle PX4FLOW setup. For example, this lens should be good. FYI, PX4FLOW uses this imaging sensor.
Please make sure that you follow our instructions on re-building PX4FLOW firmware if you change the default focal length for PX4FLOW to 6mm (by default it is 16mm).

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no, you don't need to modify other parameters (other than focal length in the firmware).

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please give some tip

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Thank you I will contact that company

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I'm closing the issue. Feel free to re-open or create a new one.

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thanks i see this issue.I want to know ，If I change to a 6 mm lens, do I need to modify other parameters besides changing the focal length parameters?
@nsmoly

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@nsmoly thanks a lot. I tried it, and it worked.
I would like to ask another question. How do I control the speed of UAV flying from one coordinate point to another? To achieve autonomous flight, the speed of UAV flight must be adjusted according to different situations during flight. I'm using pixhawk

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sorry for delay -- you can set waypoints closer or farther out and control speed to some degree this way. Pixhawk will not exceed max set speed limit, but will try to reach a point as fast as possible and as smooth as possible. So the distance to a waypoint affects your speed. But this is not a precise method. There are also way to do more direct speed control in Pixhawk via MavLink messages.

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@Oceasdeep As you have changed lens to 6mm, what changes have you observed as compared to default solution ?

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