Tamron's compact ultra-wide for Sony — the 20mm f/2.8 Di III OSD in tiny pancake size.
The Tamron 20mm f/2.8 Di III OSD M1:2 for Sony E is a compact ultra-wide prime with half-macro capability. Part of Tamron's trio of tiny f/2.8 primes (20mm, 24mm, 35mm) for Sony FE. The OSD (Optimised Silent Drive) motor provides quiet AF. The M1:2 designation indicates 1:2 macro capability. One of the most compact 20mm primes available.
Optical performance is good for the compact size. Sharpness is respectable from f/2.8. The 1:2 macro magnification adds genuine close-up versatility. OSD motor is quiet for video. The 20mm provides dramatic ultra-wide perspective on full frame. Moisture-resistant construction. Part of the matched compact f/2.8 trio with consistent 67mm filter and rendering.
Sony FE mount. Filter thread is 67mm — shared across the trio. Weight approximately 220 grams — extremely compact for a 20mm full-frame prime. Build quality good with moisture resistance. The compact size and 1:2 macro make this uniquely versatile. AF with Sony eye detection support. Benefits from Sony IBIS.
Available at reasonable prices. Check AF and clean optics. An outstanding compact ultra-wide for Sony FE. The 1:2 macro adds genuine versatility. The 220-gram weight is remarkable. Part of the matched f/2.8 trio for consistent filter use. One of the most versatile compact primes in the Sony system.