If you do some translation-based queries in Google mobile search, you will not just see a Google logo icon but also Google testing a camera icon, to search by camera.
This was spotted the other day by Khushal Bherwani and posted on Twitter, and I can replicate this. Here is a screenshot you can click on to enlarge:
This will bring up the camera and let you take a photo of words or signs that you would like Google to translate for you.
Here is Khushal’s tweets:
🆕 Google added camera (lense) button in translate at mobile serp.
↗️ When click on camera g – lense window open. pic.twitter.com/OhrMGiIT0p
— Khushal Bherwani (@b4k_khushal) March 23, 2023
Forum discussion at Twitter.