Tamron 28-75mm f2.8 Di Ⅲ RXD Autofocus Speed

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rofl New Member • Posts: 12
Tamron 28-75mm f2.8 Di Ⅲ RXD Autofocus Speed

Hi. I'm new here and in photography. This is my first post. Please be nice;-)

I just upgraded to A7 III from A6k and is looking to get either a Tamron 28-75mm or Sony 24-105mm as my main and only lens until I see the needs for others. I will take a lot of toddler playing and some portrait for wife. No videos at the moment. The FL difference doesn't bother me but I really would like to know which lens at its max aperture (f2.8 vs f4) has faster & more accurate af especially eye af. I will take photos in both good & poor lighting.

Thank you in advance.

Sony a7 III
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