You asked
Is the sony fe 28 70mm f 3 5 5 6 oss worth it?
Here is what the site says about that.
From Sony FE 28-70mm f/3.5-5.6 OSS: Sony FE 28-70mm f/3.5-5.6 OSS: A zoom lens by Sony for Full frame cameras, 28-70mm f/3.5-5.6. Specs - Maker: Sony - Focal length: 28-70mm (zoom) - Maximum aperture: f/3.5-5.6 (it gets darker as you zoom in) - Made for: Full frame sensors - Mounts: Sony E - Stabilised: yes - Autofocus: yes What it frames like - On full frame (Sony E): as marked, 28-70mm. - On APS-C (Sony E): like 42-105mm on full frame; ...
From Sensor sizes: Is full frame worth it?: For low light, events, and portraits with very shallow depth of field, yes. For travel, street, wildlife on a budget, and most hobby photography, a good APS-C camera with good lenses is enough, and you'll carry it more. Lenses and light matter more than the last stop of sensor performance.
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