We couldn't find that exact page.
Looking for something like "arducam-m12-lens-kit-for-raspberry-pi-hq-camera-telephoto-wide-angle-fisheye-lenses-with-cs-mount-adapter-accessories"? Here are the closest matches:

Arducam 2.8-12mm Varifocal C-Mount Lens for Raspberry Pi HQ Camera, with C-CS Adapter, Industrial Telephoto Lens

Arducam M12 Lens Set for Raspberry Pi & Arduino - Telephoto, Macro, Wide Angle, Fisheye (10-200) with Holder & Cleaning Cloth

Arducam 8-50mm C-Mount Zoom Lens for IMX477 Raspberry Pi HQ Camera, with C-CS Adapter, Industrial Telescope Lens