These are the best Sony lenses for astrophotography when you want tight star shapes, low coma/sagittal flare, bright transmission, and clean corners for Milky Way vistas, star fields, aurora, and nightscapes—and here’s what to look for as you buy: prioritize fast ultra-wides with excellent wide-open performance (ƒ1.4–ƒ2 for primes; ƒ2.8 for zooms), disciplined coma/astigmatism and low field curvature, high micro-contrast for dust lanes, minimal vignetting (or an easy falloff to correct), smooth manual-focus throw with hard-stop/clear scale, and coatings that resist veiling flare around bright stars; favor lighter lenses for trackers/panoramas, threaded fronts for NDs/diffusion when you mix twilight, and weather sealing for dew and cold; keep firmware current and pack a lens heater or chemical warmers to beat dew. Full-frame prime heroes: FE 14mm ƒ1.8 GM (benchmark star control, crisp corners at wide apertures), FE 20mm ƒ1.8 G (travel-light astro sweetheart with excellent edge discipline), FE 24mm ƒ1.4 GM (gorgeous micro-contrast for Milky Way arches and night cityscapes), and FE 35mm ƒ1.4 GM (constellation mosaics and tele-Milky panoramas with dimensional pop); value and specialty picks include FE 28mm ƒ2 (compact, fixes up nicely at ƒ2.2–ƒ2.8) and the FE 50mm ƒ1.4 GM for tele-Milky “compression” panels. Ultra-wide zoom workhorses: FE 12–24mm ƒ2.8 GM (huge breadth with strong wide-open corners), FE 16–35mm ƒ2.8 GM II (sharp, agile, great for blue-hour-to-night transitions), and FE PZ 16–35mm ƒ4 G when you need featherweight range for tracked panoramas and video timelapse (stop to ƒ5.6–ƒ6.3 at the long end for pinpoints). Bonus third-party E-mount performers worth pairing with Sony bodies: Sigma 14mm ƒ1.4 DG DN Art (light-gulping, astro-tuned), Sigma 20mm ƒ1.4 DG DN Art, and Sigma 24mm ƒ1.4 DG DN Art—each with excellent coma control and thoughtful astro touches. APS-C shooters get premium night speed with E 11mm ƒ1.8 (16.5-eq ultra-wide for skies over landscapes), E 15mm ƒ1.4 G (22.5-eq with crisp corners), and the E 10–20mm ƒ4 PZ G for stitched/stacked panoramas (stop a bit for stars); value third-party: Sigma 16mm ƒ1.4 DC DN (workhorse for A6x00 bodies). Practical buyer tips: build a two-prime spine you love (14/1.8 + 24/1.4 or 20/1.8 + 35/1.4) and add a 12–24/2.8 for composition freedom; if you stack or track, lighter glass helps balance on Star Adventurer/Move-Shoot-Move heads; check coma/astigmatism at your working aperture before committing; standardize filter sizes when possible, but keep ultra-wides bare to avoid reflections; bring a rubber hood to block stray light and a lens heater/USB power bank to fight dew. Night-shooting tips: switch to MF, magnify a bright star and rack to peak contrast (consider using a Bahtinov mask), shoot near wide open and stop 1/3–2/3 stop if corners need discipline, expose by the NPF rule (more accurate than the 500/300 rules) to keep stars round, start around ISO 3200–6400 on modern sensors and adjust by histogram, bracket a twilight “blue-hour” frame for clean foreground blends, and for tracked shots keep shutter slower and ISO lower for cleaner stacks; for star trails, lock at low ISO and long intervals with LENR off and subtract a few dark frames in post; mind wind—hang weight from your tripod, shield with your body, and use a 2-sec timer or remote. Whether you’re framing a galactic core over desert arches, stitching high-res mosaics above alpine lakes, or chasing aurora curtains on the coast, the best Sony lenses for astrophotography combine fast glass, tight aberration control, and reliable manual focus—so your stars stay round, your Milky Way pops, and your night images glow with cosmic clarity.