You asked

Is the tamron 16 50mm f 2 8 a good for vlogging?

Not really, in my view. On APS-C bodies like Sony E, Nikon Z and Fujifilm X it frames like 24-75mm on full frame. My vlogging checklist suggests a wider view, around 16-20mm equivalent at arm's length, because 24mm crops you tight once stabilisation kicks in. At 305 grams it's light enough, but it isn't stabilised, which matters when you're holding the camera out in front of you.

It does fit plenty of vlogging bodies, such as the Sony ZV-E10, so it's usable if you already own one. For a wider view, the Tamron 16-30mm f/2.8 Di III VXD G2 is a full-frame ultra-wide, though at 440 grams it's heavier.

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