Viltrox's compact ultra-wide for Sony — the AF 20mm f/2.8 pancake prime.
The Viltrox AF 20mm f/2.8 FE is a compact ultra-wide pancake prime for Sony FE mount. At 20mm on full frame, it provides dramatic wide-angle coverage in an extremely compact package. Full AF with Sony electronic communication. The f/2.8 keeps the lens compact. One of the most portable 20mm options for Sony full-frame.
Good optical quality for the compact size. Sharpness respectable from f/2.8. Full AF with Sony eye detection. The 20mm provides 94-degree FOV on full frame. The compact pancake design barely protrudes from compact Sony bodies like the a7C. The f/2.8 trades speed for portability — adequate for landscape and architecture.
Sony FE mount with full electronic communication. Filter thread varies. Weight approximately 130 grams — extremely compact. Build quality decent. No weather sealing. Full AF capability. Benefits from Sony IBIS. The compact size makes this one of the most pocketable 20mm options for any full-frame system.
Available at budget prices. Check AF. An outstanding compact ultra-wide for Sony FE. The 130-gram weight is remarkable for a 20mm full-frame lens. Full AF with eye detection. Benefits from IBIS. The Sony FE 20mm f/1.8 G is dramatically better but much larger and pricier. Good everyday ultra-wide at minimal size.