This LOW LIGHT channel you not see a 20 minutes talking head, only some minutes straight forward test in practical field use. I am retired and when you like what you see, please subscribe i upload day
@@dsmsquad83 i do only low light AF test in completely or full dark or black outside, you cant see depth of field in the full black dark, you cant see anything my friend. This lens there over 100 daylight video on YT that shows what you look for.