Sony E 11mm f/1.8 Autofocus APS-C Lens for E-Mount, Black {55} SEL11F18

Sony E 11mm f/1.8: the widest fast prime for APS-C shooters.

At 16.5mm full-frame equivalent and f/1.8, this is one of the most useful focal lengths Sony APS-C shooters can carry. The 104-degree angle of view pulls in full rooms, tight streets, and sweeping landscapes without the geometric chaos of a fisheye. Three ED elements and three aspherical elements keep chromatic aberration in check across that wide field, and the lens holds its sharpness out to the edges at every usable aperture. At 181g and 57.5mm long, it disappears into a bag.

The linear motor AF is fast and quiet enough for video work, and focus breathing is minimal, a real consideration if you're pulling focus on camera. Internal focusing keeps the barrel length fixed, so the front element never rotates, which matters when you're using the 55mm filter thread with a circular polarizer. That filter compatibility is uncommon at this focal length. The 7-blade aperture and 0.2x maximum magnification at a 12cm minimum focus distance let you push the wide perspective into near-macro territory for environmental detail shots.

Weather sealing, a physical AF/MF switch, and a programmable focus hold button round out a lens built for all-day shooting in unpredictable conditions. For APS-C Sony shooters who want a fast ultrawide without carrying a second body or a bulky zoom, the 11mm f/1.8 holds its ground as a proven single-focal-length solution.

Who It's For

Travel photographers working from a single bag will appreciate the 181g weight paired with f/1.8 light-gathering for low-light interiors and evening street scenes. Architecture and real estate shooters get the 104-degree field and automatic distortion correction on Sony JPEGs. Video creators and vloggers benefit from the minimal focus breathing and quiet linear motor AF, both critical for clean footage. Landscape photographers can finally use a 55mm threaded polarizer on an ultrawide prime without a filter adapter system.

Key Features

• Sony E mount, APS-C format, 11mm focal length with 16.5mm full-frame equivalent
• f/1.8 maximum aperture for low-light and shallow depth of field
• 104-degree angle of view for ultrawide landscape and architectural work
• 12 elements in 11 groups with 3 ED and 3 aspherical elements
• Internal focus mechanism with non-rotating front element for filter compatibility
• Dual linear AF motors deliver fast, quiet autofocus with minimal focus breathing
• Weather-sealed construction with AF/MF switch and programmable focus hold button
• 181g compact body, 12cm minimum focus distance with 0.2x magnification

FAQ

What's the full-frame equivalent focal length?

16.5mm. On Sony APS-C bodies, the 11mm native focal length gives you an ultrawide angle of view equivalent to 16.5mm on full-frame-wide enough to frame full rooms and landscapes, but still narrow enough to avoid fisheye distortion.

Does the front element rotate when focusing?

No. The internal focus mechanism keeps the barrel fixed, so the front element never rotates. This matters when using circular polarizers or other front-threaded filters-you won't get the dark bands across the frame that rotating elements create on ultrawide lenses.

What's the minimum focus distance and macro capability?

12cm (4.7 inches). At that close distance with a 0.2x magnification ratio and f/1.8 wide open, you can shoot environmental detail-tight textures, small objects against expansive backgrounds-while maintaining the ultrawide perspective.

Is there focus breathing during video work?

Minimal. The internal focus design and optical corrections keep the angle of view shift nearly imperceptible when pulling focus, making this lens suitable for run-and-gun video without distracting size shifts on playback.

How does autofocus perform for video?

The dual linear motors deliver fast, quiet AF with responsive tracking. No AF motor noise bleeds into on-camera audio, and the lens works with Sony's breathing compensation on compatible bodies for even smoother focus transitions.

Can I stack filters on this lens?

A single 55mm filter works without vignetting, but stacking multiple filters causes vignetting. At 104 degrees of view, circular polarizers also create unnatural dark bands in skies-use them cautiously on ultrawide work.

What weather sealing features does it have?

Silicon seals around buttons and switches plus a rubber gasket at the mount reduce dust and moisture incursion. It's built for all-day outdoor shooting in unpredictable conditions, though it's not fully sealed like pro telephotos.