These are the best Sigma lenses for real estate photography when you want clean, rectilinear lines, bright corners, and efficient on-site workflow for interiors, exteriors, and video walkthroughs—and here’s what to look for as you buy: prioritize rectilinear wides with low distortion (faster edits and straighter verticals), strong flare control for windows and downlights, tight corner performance at working apertures (f/5.6–f/8), filter friendliness (front threads vs bulbous fronts that need 100mm holders), quiet, reliable AF with minimal focus breathing if you film, close-focus for detail vignettes, weather sealing for rainy exteriors, and manageable weight for gimbals; standardize front diameters for one CPL/VND, and pair lenses that color-match (DG DN Art + Contemporary + I-Series do). Full-frame anchors start with the Sigma 14–24mm f/2.8 DG DN | Art—corner-clean ultra-wide for tight baths and kitchens (use a 100mm holder) and night exteriors—alongside the travel-friendly Sigma 16–28mm f/2.8 DG DN | Contemporary with 72mm threads for simple filtration and gimbal balance; add the Sigma 24–70mm f/2.8 DG DN | Art for lifestyle cuts and medium rooms, whose close-focus at 70mm makes great fixture/cabinet details. If you prefer compact primes with threads, the I-Series wides are clutch: 17mm f/4, 20mm f/2, and 24mm f/2 DG DN | Contemporary are all-metal, quiet, close-focusing, and produce crisp micro-contrast for overheads and small condos. For exteriors and compressed elevations without walking back, pair the 35mm f/1.4 DG DN | Art or the tiny 65mm f/2 DG DN | C for façade vignettes and tele-layers; the 14mm f/1.4 DG DN | Art is superb for blue-hour hero frames with disciplined corners. APS-C creators get a tiny, threaded ultra-wide in the Sigma 10–18mm f/2.8 DC DN | Contemporary—perfect for condos and handheld tours—plus the 18–50mm f/2.8 DC DN | Contemporary for detail coverage; prime fans can build a featherweight set with the 16/23/30/56mm f/1.4 DC DN lenses that color-match and focus quietly for hybrid jobs. DSLR-era glass that adapts well still delivers: Sigma 12–24mm f/4 DG HSM | Art and 14–24mm f/2.8 DG HSM | Art for rectilinear extremes, and the 24–105mm f/4 DG OS HSM | Art as a stabilized, do-everything mid-range for exteriors and interiors with easy CPL use. For video tours, lean on DG DN zooms (14–24/2.8, 16–28/2.8, 24–70/2.8) for quiet drives and restrained breathing, and keep weight low for long gimbal takes; for perspective-critical exteriors you can supplement with an adapted tilt-shift, but most real estate sets are covered quickly with Sigma rectilinear wides and good leveling. Practical buyer tips: pick your anchor based on footprint—14–16mm for tight spaces, 18–20mm for most rooms without stretching, 24–35mm for details and lifestyle; if you rely on grads/CPL, favor threaded fronts (16–28 C, I-Series wides) or budget a 100mm holder for domed lenses (14–24 A, 14/1.4 A); standardize on 72/77/82mm filters to move fast; keep one mid-range (24–70/2.8) for kitchens, furniture groupings, and handheld B-roll. Shooting tips: keep the camera level and raise with lateral movement (don’t tilt—save tilt for a T/S lens), work at f/5.6–f/8 for edge discipline, bracket 3–5 exposures for windows and blend gently, use a light CPL to tame countertop glare (watch uneven skies ultra-wide), set lens height ~1.2–1.4 m to keep furniture proportions natural, capture a few tele detail vignettes for listing variety, and for video hold a 180° shutter with a quality VND and slow, consistent gimbal moves. Whether you’re squeezing a studio flat, showing a two-story foyer, or mixing lifestyle stills with smooth walkthrough clips, the best Sigma real estate lenses combine disciplined geometry, bright corners, and quiet mechanics—so your lines stay straight, your edits fly, and your galleries look spacious and polished.