Lens which one to buy? Sharper lens or OIS lens?

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varun037 New Member • Posts: 4
Lens which one to buy? Sharper lens or OIS lens?

I am looking to buy better lenses for my Sony A7c. I am confused between

Sony FE 70–200 mm F4 G OSS (SEL70200G) E-Mount Full-Frame, Telephoto Zoom G Lens & Tamron 70-180mm f/2.8 Di III VXD Lens for Sony E-Mount

and

Sigma 24-70mm f/2.8 DG DN Art Lens for Sony E & Sony Vario-Tessar® T* FE 24-70 mm F4 ZA OSS (SEL16F28) E-Mount Full-Frame, Standard Zoom Lens

The main difference in both options is that Sigma & Tamron do not offer OIS whereas Sony's lens does, but Sigma & Tamron are the sharper lenses. The difference between the cost in each case is about 150 USD.

I do not intend to do many videos, my primary focus is still photography. Since A7C has IBIS, should I give preference to a sharper lens?

Thanks!

 varun037's gear list:varun037's gear list
Canon EOS 60D Sony a7C Canon EF 50mm F1.8 II Canon EF-S 18-55mm f/3.5-5.6 IS Tamron SP 70-300mm F4-5.6 Di VC USD +4 more
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