I would only recommend the 18-105 for (4k) filming. The optical quality is sufficient for that. For photography, I would go for the 16-70 f4, which is optically better and also meets relatively high demands. With 16mm it is a bit wider-angled and with max. 70mm it has a bit less telephoto. At
https://www.dxomark.com you can take a look at the sharpness measurements. The a6000 with its sensor is about the same as the a6300 (in good light).