gius
Posts: 8
Joined: Thu Jun 07, 2018 10:04 pm

wider Hfov lens for 5mp camera module

Mon Jul 23, 2018 11:55 am

Hi all,
I would like to change the lens in my rpi camera module v 1.3.
Anyone could advise me where to buy a lens with a Hfov of about 70 degrees or so (not fisheye)?
What is the lens mount in camera module v 1.3?

Thank you.

Giuseppe

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jbeale
Posts: 3439
Joined: Tue Nov 22, 2011 11:51 pm
Contact: Website

Re: wider Hfov lens for 5mp camera module

Wed Jul 25, 2018 11:06 pm

I realize there isn't much info here, but: https://elinux.org/Rpi_Camera_Module#Re ... Stock_Lens

As far as I know there is no drop-in replacement for the tiny (non-standard, M6 ?) lens used in the camera module. Easiest thing to do is simply add an external wide-angle adaptor such as are sold for iPhone etc. Or, remove the lens and add a more-standard M12 lens adaptor with the M12 lens of your choice.
See, for example https://www.lensation.de/product-catego ... nt-lenses/ together with something like
https://www.thingiverse.com/thing:539517

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HermannSW
Posts: 1246
Joined: Fri Jul 22, 2016 9:09 pm
Location: Eberbach, Germany
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Re: wider Hfov lens for 5mp camera module

Thu Jul 26, 2018 12:06 pm

I followed jbeale's suggestion, added M12 mounts to v1 as well as v2 camera. Was easy, Details here:
viewtopic.php?f=43&t=45887&p=1298451#p1279957
bookmark list: https://stamm-wilbrandt.de/en/Raspberry_camera.html

https://github.com/Hermann-SW/Raspberry_v1_camera_global_external_shutter
https://github.com/Hermann-SW/fork-raspiraw
https://github.com/Hermann-SW/userland
https://twitter.com/HermannSW

gius
Posts: 8
Joined: Thu Jun 07, 2018 10:04 pm

Re: wider Hfov lens for 5mp camera module

Thu Jul 26, 2018 5:48 pm

Thank you all.
Changing mount to m12 is probably the best solution.
I found the module from arducam with a m12 mount and a wider lens Fov:

https://www.amazon.com/Arducam-Megapixe ... 56&sr=1-23

I was also wondering if the lens in camera module v2, with a slightly wider Fov, can fit on 5 mp camera module. Of course it would not be a cheap solution to buy 2 modules. just for changing the lens...

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HermannSW
Posts: 1246
Joined: Fri Jul 22, 2016 9:09 pm
Location: Eberbach, Germany
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Re: wider Hfov lens for 5mp camera module

Sat Jul 28, 2018 9:59 pm

You get ov5647 module with M12 lens mount for 9$ on aliexpress with free shipping (search for "night Raspberry camera"). This avoids the "change to M12 mount" part.

I use 2.50$ free shipping 130 degree lens without issues when I need it. I bought many different degree (cheap) lenses and they worked:
https://www.aliexpress.com/item/CCTV-Le ... 23526.html

Hermann.
bookmark list: https://stamm-wilbrandt.de/en/Raspberry_camera.html

https://github.com/Hermann-SW/Raspberry_v1_camera_global_external_shutter
https://github.com/Hermann-SW/fork-raspiraw
https://github.com/Hermann-SW/userland
https://twitter.com/HermannSW

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