# Camera properties are not immediately updated

**URL:** <https://forum.commonvisionblox.com/t/camera-properties-are-not-immediately-updated/534>\
**Category:** Python API\
**Tags:** genicam, python, properties\
**Created:** [August 23, 2018, 12:35pm UTC](https://forum.commonvisionblox.com/t/camera-properties-are-not-immediately-updated/534 "2018-08-23T12:35:27Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Sebastian](https://yyz1.discourse-cdn.com/flex027/user_avatar/forum.commonvisionblox.com/sebastian/32/1267_2.png) [@Sebastian](https://forum.commonvisionblox.com/u/Sebastian)\
**Post date:** [August 24, 2018, 6:16am UTC](https://forum.commonvisionblox.com/t/camera-properties-are-not-immediately-updated/534/2 "2018-08-24T06:16:10Z")

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Dear @babaf

You have to tell the driver that the image format has changed.  
See this post with some more information:  
[https://forum.commonvisionblox.com/t/pixel-format-doesnt-match-output/438/2?u=sebastian](https://forum.commonvisionblox.com/t/pixel-format-doesnt-match-output/438/2)

The ImageRect Class with its update() function is the equivalent for CVBpy.

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