Sony Alpha 6000
24.30 Mpx, APS-C / DX
Sony Alpha 6000
24.30 Mpx, APS-C / DX
Yes, if you set the 16-50mm to 30mm on the a6000, it's the same angle of view as the 30mm Sigma. You don't have to convert anything. The crop factor is relevant when you want to compare with full format.
The a5000 is the oldest camera and has a worse sensor. The a5100 has no viewfinder.
You might be interested in the latest model in the series, the a6500, which has a built-in 5-axis stabiliser.
See also:
www.dpreview.com/products/compare/side-by-side?products=sony...