You asked

Is the nikon af s 50mm f 1 4g worth buying used?

Yes, I'd buy this one used. Good lenses hold their value far better than camera bodies, so a used copy costs you less and sells for close to what you paid if you ever move on. My buying used notes make the same point: lenses are the part of the kit that lasts.

The Nikon AF-S 50mm f/1.4G fits a long list of Nikon F bodies, from full frame models like the D750 and D850 to APS-C ones like the D7500. On APS-C it frames like about 75mm, which makes it a handy portrait lens. Check the seller's condition and the autofocus before you pay, and you should be happy with it.

Written by Claude from this site's pages.

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