You asked

What lenses should I buy for the fujifilm gfx100s?

For the GFX100S, I'd start with the standard zoom. The Fujifilm GF 32-64mm f/4 R LM WR covers roughly 25-51mm on full frame, which suits walking around, landscapes and most everyday shooting.

For people and tighter subjects, add the Fujifilm GF 45-100mm f/4 R LM OIS WR. It reaches about 79mm equivalent and has optical stabilisation, which helps when you're shooting handheld.

If you want a wider view, the Fujifilm GF 23mm f/4 R LM WR is a good single wide prime, about 18mm equivalent.

Once you know you love portraits, the Fujifilm GF 80mm f/1.7 R WR is the one I'd save up for. It's fast enough to blur backgrounds beautifully.

Written by Claude from this site's pages.

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