You asked
Is the samyang af 60 180mm f 2 8 worth it?
Here is what the site says about that.
From Samyang AF 60-180mm f/2.8: Samyang AF 60-180mm f/2.8: A zoom lens by Samyang for Full frame cameras, 60-180mm f/2.8. A short, light f/2.8 telephoto zoom at about 730 grams. Specs - Maker: Samyang - Focal length: 60-180mm (zoom) - Maximum aperture: f/2.8 - Made for: Full frame sensors - Mounts: Sony E, L-Mount - Stabilised: no - Autofocus: yes What it frames like - On full frame (Sony E, L-Mount): as marked, 60-180mm. - On APS-C (Sony E, ...
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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