Google Search now zooms in on product images when you are previewing a specific from on the right-hand panel. All you need to do is hover your mouse cursor over the product image.

Khushal Bherwani spotted this and notified me of this on X – I can replicate this, so here is a GIF of this in action:

Here is Khushal’s videocast:

Update: This is from May:

Forum discussion at X.