Sony IMX531 · 20.4MP 1.1" global-shutter CMOS image sensor
IMX531 Sensor Specifications & Compatible M12 and C-Mount Lenses
IMX531 is a Sony 1.1-inch global-shutter CMOS image sensor in the Pregius S global-shutter machine-vision family. Its square 4512x4512, 20.4 MP array uses 2.74 um pixels at 109 fps over SLVS-EC, in color or mono across a 17.48 mm diagonal. A sensor this size needs C-Mount coverage rather than an M12 Lens, and the table below lists every covering option with its calculated field of view.
IMX531 specifications
| Part number | IMX531 |
|---|---|
| Manufacturer | Sony |
| Family | Pregius S |
| Resolution | 4512x4512 (20.4 MP) |
| Optical format | 1.1" |
| Active area | 12.36 × 12.36 mm |
| Sensor diagonal | 17.48 mm |
| Pixel size | 2.74 µm |
| Shutter | Global |
| Max frame rate | 109 fps |
| Interface | SLVS-EC |
| Color / mono | Color / Mono |
Manufacturer datasheet: Sony IMX531 product page
Lens selection for the IMX531 with calculated field of view
Each field of view below is calculated for the IMX531 active area (12.36 × 12.36 mm) from Commonlands’ per-lens field-of-view data, which reflects each lens’s real distortion rather than a focal-length-only estimate. Alongside the horizontal, vertical, and diagonal field of view, each row lists focal length, mount, aperture (F#), and coverage. Follow the product links for distortion, ingress protection, dimensions, and resolution specifications. Coverage compares the lens image circle with the 17.48 mm sensor diagonal. Entries marked Circular image do not cover the full diagonal; part of the sensor lies outside the image circle. Run working-distance and object-size numbers through the field of view calculator.
Engineering picks for the IMX531
- Best ~30° HFoV: 25mm C-Mount Lens (CIL554) (25 mm, f/2.6). Why: the closest covering option to 30° horizontal, chosen for tight inspection framing and long read ranges. Field of view on the IMX531: 28° H × 28° V (39° diagonal). The image circle covers the full sensor (verified 2026-07-02).
- Best ~60° HFoV: 12mm C-Mount Lens (CIL552) (12 mm, f/2.8). Why: the closest covering option to 60° horizontal, chosen for general-purpose machine-vision framing. Field of view on the IMX531: 55° H × 55° V (72° diagonal). The image circle covers the full sensor (verified 2026-07-02).
- Best low light: 8.5mm C-Mount Lens (CIL508) (8.5 mm, f/2.4). Why: the fastest covering aperture (f/2.4), which collects the most light per pixel. Field of view on the IMX531: 75° H × 75° V (98° diagonal). The image circle covers the full sensor (verified 2026-07-02).
This larger format pairs with the C-Mount Lens collection. Covering lenses below run from 1.3 mm to 75 mm focal length and span 9° to 184° horizontal field of view on the IMX531 active area.
| Commonlands Lens | Focal Length | Mount | F# | Horizontal FoV | Vertical FoV | Diagonal FoV | Coverage |
|---|---|---|---|---|---|---|---|
| Fisheye 1.3mm M12 Lens (CIL293) | 1.3 mm | M12 | f/2.2 | 184° | 184° | 184° | Circular image |
| 8.5mm C-Mount Lens (CIL508) | 8.5 mm | C-mount | f/2.4 | 75° | 75° | 98° | Covers |
| 12mm C-Mount Lens (CIL552) | 12 mm | C-mount | f/2.8 | 55° | 55° | 72° | Covers |
| 16mm C-Mount Lens (CIL553) | 16 mm | C-mount | f/2.8 | 42° | 42° | 57° | Covers |
| 25mm C-Mount Lens (CIL554) | 25 mm | C-mount | f/2.6 | 28° | 28° | 39° | Covers |
| 35mm C-Mount Lens (CIL555) | 35 mm | C-mount | f/2.6 | 20° | 20° | 28° | Covers |
| 50mm C-Mount Lens (CIL556) | 50 mm | C-mount | f/2.8 | 14° | 14° | 20° | Covers |
| 75mm C-Mount Lens (CIL557) | 75 mm | C-mount | f/3 | 9° | 9° | 13° | Covers |
Covers in the table means the lens image circle is at least as large as the 17.48 mm sensor diagonal. Confirm corner illumination and MTF at your aperture, wavelength, and working distance. A complete circular fisheye image fits inside the sensor only when its diameter is no larger than the sensor's short side. Need a focal length or coverage that is not listed here? Ask our engineers to confirm a match.
How to choose a lens for the IMX531
Start from the field of view and working distance your application needs. Confirm that the lens image circle covers the active sensor diagonal and that the mount provides the required focus travel and rear clearance. A lens megapixel rating alone does not establish resolution on this sensor. Compare measured MTF at the spatial frequencies your task needs, at the intended aperture, wavelength, distance, and field position, accounting for the 2.74 µm pixel pitch. Estimate framing with the Commonlands field of view calculator.
Sourcing a camera module around the IMX531? Commonlands manufactures M12 lenses and C-mount lenses and ships from San Diego, with same-day shipping on in-stock lenses ordered before 12 PM PST. We also design and build custom MIPI CSI-2 camera modules that integrate the lens, the IMX531 sensor, and the carrier board, available from 1,000 units per year, and assemble consigned IMX531 boards with Commonlands lenses in our San Diego ISO 6 cleanroom from 100 to 100,000 units per year. Talk to an applications engineer.
Related guides and tools
IMX531 lens and camera module FAQ
What lens fits the IMX531 sensor?
A lens match requires sufficient image-circle coverage, suitable MTF, and mechanical clearance. Use the coverage column and calculated field of view to shortlist lenses, then verify the operating conditions on each product page.
What is the IMX531 sensor size?
The IMX531 is a 1.1" format sensor with a 12.36 × 12.36 mm active area and a 17.48 mm diagonal, built on 2.74 µm pixels at 4512x4512 resolution.
Does Commonlands build a custom MIPI camera module for the IMX531?
Yes. Commonlands designs and builds custom MIPI CSI-2 camera modules that integrate the lens, the IMX531 sensor, and the carrier board, available from 1,000 units per year with active lens-to-sensor alignment and 100% MTF testing. Consigned assembly of your IMX531 boards with Commonlands lenses runs from 100 to 100,000 units per year in our San Diego ISO 6 cleanroom. Talk to an applications engineer to scope a module.
Match a lens to your IMX531 camera
Get an engineer-verified lens recommendation for your sensor, format, and field of view.
Contact Commonlands engineering