I keep hearing you need full-frame to print big, but can a 24MP APS-C handle 16x20 without falling apart? I’m on a Fuji X-T30 with the 35mm f/2, often at ISO 800 indoors — if you’ve done similar, did you see real-world drawbacks, or is the full-frame push more marketing than math?
A 24MP X-T30 will do a clean “16x20” at normal viewing; export from RAW, apply print sharpening, and test by printing a 1:1 crop at target size — nobody brings a loupe to the wall. Full-frame smooths ISO 800 shadows and helps if you crop, but it’s not night-and-day; quick PPI check: https://www.cambridgeincolour.com/tutorials/digital-camera-resolution.htm — what paper are you using?
I’ve done 16x20 on an X-T30; fine at 800. Try Lightroom’s ‘Super Resolution’ once and print 240 PPI. Which lab?
At ISO 800 the limiter isn’t APS‑C, it’s X‑Trans sharpening — if you’re in Lightroom, drop Radius to about 0.7 and Detail <20 to avoid ‘worms’, or run the RAW through Iridient X‑Transformer/DxO first; then print luster at 200–240 PPI and 16x20 is solid. The 35 f/2 is crisper at f/4, so don’t be shy about ISO to hold 1/125 on the X‑T30. @cweaver70’s crop test is good — are you seeing worming in foliage or fine fabric?
You’ll be fine at 16×20 — your cat won’t notice the pixels — just stop the 35/2 down to around f/5.6, keep shutter high to avoid blur, and export sized to 16×20 at 300 dpi with modest output sharpening… If you want to sanity‑check the numbers, see Cambridge in Colour’s calculator: Basics of Digital Camera Pixels. Full‑frame mostly buys cleaner shadows if you push exposure or crop hard; do you usually print matte or glossy?
at 16x20 the bottleneck is paper and processing more than your X‑T30 file — if you want to “print big,” soft‑proof with your lab’s ICC and pick luster or matte to mask micro‑noise better than glossy. Stop that 35/2 to f/4 and keep shutter safe; it’ll look clean at normal viewing distance. @true-pilot96 nailed the RAW side; curious what paper you’re sending.
I print 16×20 from an X‑T30 at ISO 800 without drama; give yourself +0.3 EV to tame shadow noise and pull it back in post… Before chasing full‑frame, crop a small section at 16×20 scale and print a proof — ‘more marketing than math’ in my experience; viewing distance does the rest: https://www.cambridgeincolour.com/tutorials/image-print-size.htm. Which lab/printer are you using?