OpenMV4 Cam H7 Plus, autofocus

OpenMV Products
1

I bought “OpenMV4 Cam H7 Plus”, thinking it had an automatic focus feature, but I cannot use the auto focus feature. I tried the codes you gave at “https://www.youtube.com/watch?v=MZ2u_0UB6NI”, but I get the error message “AttributeError: ‘module’ object has no attribute ‘IOCTL_TRIGGER_AUTO_FOCUS’”.

2

The camera doesn’t have autofocus. It has an M12 lens. If you want autofocus buy this: OV5640 FPC Camera Module | OpenMV

Note, we don’t enable autofocus by default in the firmware for the H7 Plus. I can do this though.

3

First of all, thank you for your quick reply. Is it possible to autofocus without “OV5640 FPC Camera Module”? If possible how?

4

No, there’s no mechanism to do that without the FPC module.

5

Thanks:)

7

Can I get a clear image from 0.5 centimeters with “OV5640 FPC Camera Module”?

8

Probably not, that’s extremely close. You need a microscopic lens for something like that which we don’t sell.

9

I am getting a clear image from a distance of 3 centimeters without the ‘OV5640 FPC Camera Module.’ With the ‘OV5640 FPC Camera Module,’ what would be the distance for this?

10

I don’t know. The lens should be able to focus on something that close up. But, you have to buy it and test yourself. It’s effectively a smartphone sensor so it’s optimized for seeing things at father distances away.