Anti-Alias or Low-pass filters on camera sensors, do they still matter? What they do

Is an anti-alias or low pass filter on a camera sensor still important? Do they really harm image quality - why the answers are different today - looking at 35mm and medium format sensors. Should you really be bothered?

How does this affect my new GFX100S?

AA filters on different cameras and when the 45MP Canon R5 might be better than the 50MP 5Ds. How software and raw processing techniques make a difference with moire and other effects

Original X1D II 50C review is at https://www.northlight-images.co.uk/hasselblad-x1d-ii-50c-review/
Follows on from Keith's original Hasselblad X1D review
https://www.northlight-images.co.uk/using-the-hasselblad-x1d-50c/

For more Hasselblad testing see:
H6D 50C with HTS tilt/shift adapter
https://www.northlight-images.co.uk/hasselblad-h6d-50c-and-hts-adapter/
H6d 100C with HTS tilt/shift adapter [video]
https://www.northlight-images.co.uk/video-hasselblad-hts-h6d-tilt-shift/

The [used] X1D II test camera and XCD 30/3.5 lens was kindly loaned by Park Cameras in the UK
https://www.parkcameras.com/used

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Видео Anti-Alias or Low-pass filters on camera sensors, do they still matter? What they do канала Keith Cooper