Focus Range information on lenses

1.Which seller did you purchase the product(s) from?

2.The Model number of the product(s) you have purchased?
3.Which Platform are you using the product(s) on?
Raspberry Pi 4B
4.Which instruction are you following?

5.Has your product ever worked properly?

6.What problems are you experiencing?
I am looking to buy a lens for Raspberry Pi HQ camera with

  1. focal length <=4mm

  2. focussed at infinity.

LN049 fit the first requirement. However, I couldn’t find any mention of the focus range. Can you kindly let me know the focus range of the lens? I this lens could not be focussed at infinity, can you kindly suggest another lens that might do the job?

7.What attempts at troubleshooting have you already made?

8.How would you like us to help you?
Kindly suggest the correct which has focal length < 4mm and can be focussed at infinity