580 × 870
Source:https://shotkit.com/hide-gopro/
686 × 982
Source:https://www.tomshardware.com/raspberry-pi/raspberry-pi-hat-camera-views-the-world-from-your-perspective
640 × 640
Source:https://www.ebay.com/b/hat-camera/bn_7024891474
420 × 420
Source:https://www.rolimons.com/item/14316756205
1600 × 1600
Source:https://www.desertcart.co.zw/products/149896896-digicharge-baseball-cap-hat-with-action-camera-holder-mount-bracket-compatible-for-go-pro-hero-akaso-crosstour-campark-fitfort-garmin-virb-apeman-sony-camkong-motorola-victure-kitvision-nikon-cam
1200 × 1200
Source:https://www.arducam.com/product/arducam-16mp-imx519-autofocus-synchronized-quad-camera-kit-for-raspberry-pi-nvidia-jetson-nano-xavier-nx/
528 × 710
Source:https://www.shapeways.com/product/YCGRTUJWX/hat-mount-gopro-hero-8-compatible
1920 × 1440
Source:https://variantinnovation.com/products/heads-up-insta360-go2-hat-mount
789 × 800
Source:https://www.waveshare.com/wiki/Thermal_Camera_HAT
1280 × 1919
Source:https://techalogic.co.uk/product/helmet-camera-for-horse-riding/
