no laura, u are using a carousel on that page to show the images:
https://lauramas.com/home-copy/
an autoplaying carousel, not fullscreen slider
Screenshot 2024-04-19 at 18.37.18.png
on my laptop this is the image that is being loaded:
https://lauramas.com/wp-content/uploads/2024/04/3-2048x1030.jpg
please check if that image itself may be blurry:
https://lauramas.com/wp-content/uploads/2024/04/3-2048x1030.jpg