These are the best macro lenses for astrophotography when you want pinpoint star fields, low coma, and neutral color for constellations, Milky Way mosaics, tele-widefield nebulae, and moonlit landscapes—and here’s what to look for as you buy: choose optics with excellent sagittal coma/astigmatism control and a flat field (macro primes excel here), good transmission and coatings for flare resistance, precise manual focus with a long throw (or a reliable MF clutch), minimal focus shift with temperature, and a firm infinity stop you can repeat in the dark; stabilization doesn’t matter on a tripod, but weather sealing and a deep hood help with dew. Full-frame heroes: Sony FE 90mm ƒ2.8 Macro G OSS (razor corners with disciplined coma; beautiful for tracked 90–100mm constellations), Nikon Z MC 105mm ƒ2.8 VR S (clean star points, low LoCA, excellent micro-contrast), Sigma 105mm ƒ2.8 DG DN Macro Art (mirrorless-optimized, tight corners at ƒ2.8–ƒ3.5), Canon RF 100mm ƒ2.8L Macro IS USM (set SA Control to neutral—crisp stars, 1.4× for daylight duties), Canon EF 100mm ƒ2.8L IS USM (stellar value, proven astro sharpness), Tamron SP 90mm ƒ2.8 Di VC USD (F017/F004 generations—reliable coma control), and Laowa 100mm ƒ2.8 2× APO (manual, apochromatic rendering that keeps star colors honest). APS-C and Micro Four Thirds standouts: Fujifilm XF 80mm ƒ2.8 R LM OIS WR Macro (flat field, weather-sealed, clean points by ƒ2.8–ƒ4), Sony FE 50mm ƒ2.8 Macro on A6xxx (short-tele field of view with crisp stars; lean on stacking), Sigma 70mm ƒ2.8 DG Macro Art (E/L—luxurious MF precision, superb correction), Laowa 65mm ƒ2.8 2× APO (manual, zero-CA look that preserves star color), Olympus/OM SYSTEM M.Zuiko 60mm ƒ2.8 Macro (sharp, compact, easy to balance on a tracker), and OM SYSTEM 90mm ƒ3.5 Macro IS PRO (2:1 specialist that also delivers tidy star fields with Sync IS off on tripod). Practical buyer tips: for static astro-landscapes, a faster wide-angle wins, but for tele-widefield (Cygnus, Orion, Scorpius) a 60–105mm macro prime is superb—use a simple star tracker to unlock 30–120s at low ISO; if you shoot both macro and night sky, pick a ~100mm macro with proven coma control and a confident MF ring; prefer APO designs to keep violet/green halos off bright stars; bring a lens heater and a slim CPL case as an anti-dew “hood”; used DSLR macros (Canon 100L, Nikon 105 VR, Tamron 90 VC, Sigma 70/105) are budget-friendly astro performers. Astro shooting tips: switch to manual focus, magnify a bright star, and tape the ring; expect thermal shift—recheck focus every 15–20 minutes; start wide open then stop 1/3–1 stop (ƒ3.2–ƒ4) to tighten corners; use the NPF rule (more accurate than the 500-rule at 60–105mm) to set untracked exposure, or track at 0.5× sidereal for cleaner stars and easier panoramas; shoot RAW with long-exposure NR off if you plan to stack; dither between subs to tame pattern noise, stack 20–100 frames for SNR, and use flats/bias if you’re pushing faint nebulae; shade the front element from oblique light to avoid arc flares, and keep ISO moderate (400–1600) to preserve star color. Whether you’re stitching a 100mm Milky Way mosaic, isolating bright constellations over a horizon, or mixing moonlit architecture with starry skies, the best macro lenses for astrophotography combine flat-field sharpness, disciplined aberration control, and precise manual focus—so your stars stay tight, your colors stay true, and your night images look clean and celestial.