Sigma 19mm f/2.8 DN A (Art) Autofocus Lens for MFT (Micro Four Thirds), Silver {46}

Sigma 19mm f/2.8 DN Art: a proven wide prime built for Micro Four Thirds.

On a Micro Four Thirds body, this 19mm focal length gives you a field of view equivalent to a 38mm lens, sitting right in that useful slightly-wide-of-normal range. The f/2.8 maximum aperture gives you genuine low-light capability without bulk, and Sigma's Super Multi-Layer Coating keeps contrast clean when shooting into bright sources. The optical formula runs 8 elements in 6 groups, and the 7-blade diaphragm produces rounded out-of-focus rendering at open apertures.

The minimum focus distance of 0.20 m (7.87") gives you closer working range than most primes in this class, which opens up environmental detail work and tight framing in confined spaces. Autofocus is handled by a micromotor, and the 46mm filter thread keeps step-up ring costs down if you're standardizing filters across a kit.

The silver finish pairs with silver-bodied Micro Four Thirds cameras for a matched look, and the compact form factor is part of what makes this lens a practical daily carry. For a prime that fits the Art line's optical priorities at a price point below most alternatives, this 19mm DN has held its value proposition solidly since its 2013 release.

Who It's For

Street photographers working Micro Four Thirds systems get a discreet, lightweight wide prime that doesn't draw attention. Travel shooters benefit from the 0.20 m minimum focus distance, which lets them get close to food, signage, or architectural detail without switching lenses. Documentary and reportage photographers working in mixed light will find the f/2.8 aperture useful in dim interiors or at dusk. Mirrorless kit builders looking to fill a wide prime slot without a large filter thread investment will appreciate the 46mm size.

Key Features

• 19mm focal length with f/2.8 maximum aperture on Micro Four Thirds mount
• 8-element, 6-group optical formula with Super Multi-Layer Coating
• Micromotor autofocus with 0.20 m minimum focus distance
• 7-blade diaphragm for rounded bokeh rendering
• 46mm filter thread with silver finish for matched aesthetics
• No optical stabilization, compact form factor for daily carry

FAQ

What focal length does a 19mm lens give on Micro Four Thirds?

On MFT bodies, the 19mm focal length delivers a 38mm equivalent field of view-slightly wider than a standard 50mm lens on full frame, ideal for environmental portraiture and everyday shooting without extreme wide-angle distortion.

Is autofocus on this lens fast enough for video work?

The micromotor AF is designed for still photography. For video, focus speed will be slower than a dedicated cinema motor, and AF hunting may be audible in recordings.

How close can you focus with the Sigma 19mm DN?

Minimum focus distance is 0.20 m (7.87"), which is closer than most primes in this focal range and allows for environmental detail shots and tighter framing in tight spaces.

Does the f/2.8 aperture provide meaningful low-light performance on MFT?

Yes. f/2.8 on a Micro Four Thirds sensor delivers genuine 2-stop advantage over f/5.6, and paired with MFT sensors' fast ISO performance, handles indoor and twilight work without forcing high ISO penalties.

What's the bokeh quality like at f/2.8?

The 7-blade diaphragm produces rounded bokeh at wide apertures. It won't achieve the circular bokeh of an 8 or 9-blade design, but renders smoothly for a compact prime released in 2013.

Will the 46mm filter thread work with my existing filters?

46mm is a common thread size that pairs easily with standard filters and step-up rings, keeping accessory costs down if you're standardizing a kit.

Does this lens have optical stabilization?

No. Image stabilization is absent, so you'll rely on Micro Four Thirds body stabilization or fast shutter technique when working handheld in low light.