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Omron / Sentech STC-MBS800CXP121 / STC-MCS800CXP121 machine vision camera
Omron / SentechArea scan cameras
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Omron / Sentech STC-MBS800CXP121 / STC-MCS800CXP121

STC-MBS800CXP121

The STC-MBS800CXP121 (mono) and STC-MCS800CXP121 (color) are compact CoaXPress area scan cameras built around the 2/3" Sony IMX546 Pregius S global-shutter CMOS sensor, delivering 2840 x 2840 effective pixels (8MP) at up to 91.0 fps with a 2.74 µm pixel pitch. They use a single CXP-12 lane over a Micro BNC (75 ohm) connector following CoaXPress Standard 2.0, with a C-mount lens interface in a 29 x 29 x 40 mm, ~54 g housing. Power is supplied via PoCXP or an external +18.5 to +26 VDC input, with consumption of 3.5 W or less. The mono model outputs Mono8/10/12 while the color model uses a Bayer RG pattern, with exposure from 1 µs to 16.777 s and 0-18 dB analog gain.

Brand
Omron / Sentech
Camera type
Area scan
Interface
CoaXPress CXP-12 (1 lane, Micro BNC 75 ohm)
Resolution
8 MP (2840 x 2840)
Horizontal resolution
2840 px (H) x 2840 px (V)
Mono / color
Monochrome (STC-MBS800CXP121) / Color Bayer RG (STC-MCS800CXP121)
Sensor manufacturer
Sony Pregius S
Sensor model
Sony IMX546
Shutter
Global shutter
FPS
91.0 fps (full resolution)
Mount
C-mount
Sensor size
2/3" optical format (Type 2/3)
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Technical overview

The Omron/Sentech STC-MBS800CXP121 (mono) and STC-MCS800CXP121 (color) pair a 2/3" Sony IMX546 Pregius S global-shutter CMOS sensor with a single CXP-12 lane to deliver 8 MP (2840 x 2840) at up to 91.0 fps at full resolution. The square 2840 x 2840 format and 2.74 um pixel pitch make this a high-throughput inspection camera: the global shutter freezes motion with no rolling-shutter skew, so it captures fast-moving conveyors, indexing stages and rotating parts cleanly, while the dense 8 MP resolution gives the spatial detail needed to resolve fine defects, small features and text across a sizeable field of view.

The interface is the defining choice here. A single CXP-12 link over Micro BNC (75 ohm), following CoaXPress Standard 2.0, carries the full 91 fps at 8 MP over a single coaxial cable with deterministic, low-latency timing. Because the camera supports PoCXP (Power over CoaXPress), that same coax can deliver power, so an installer runs one cable to the camera; alternatively an external +18.5 to +26 VDC supply can be used. The trade-off is that you need a CoaXPress CXP-12 frame grabber in the host PC -- this is a grabber-based, GenICam-compliant pipeline, not a plug-and-play USB camera. The C-mount, 2/3" optical format keeps lens selection straightforward, but the 2.74 um pixels demand a high-resolution lens with enough MTF to actually resolve the sensor; pairing it with a soft or undersized C-mount lens will throw away resolution.

Physically the camera is compact and light at 29 x 29 x 40 mm and ~54 g, drawing 3.5 W or less, which suits dense multi-camera arrays, gantries and tight machine enclosures, and it tolerates ambient temperatures from 0 to +56 C. The mono STC-MBS800CXP121 outputs Mono8/10/12 and is the right pick for measurement, surface and defect work where contrast and sensitivity matter most; the color STC-MCS800CXP121 uses a Bayer RG pattern when color is part of the decision. Exposure is adjustable from 1 us up to 16.777 s with 0-18 dB analog gain, so the camera spans bright strobed high-speed capture and long-exposure low-light scenes. Because it is a global-shutter CXP camera, it pairs naturally with strobed lighting and hardware triggering: short exposures synchronized to a flash let you stop motion and maximize contrast at the full 91 fps.

Best for

  • High-speed defect and surface inspection on fast-moving conveyors or indexing lines where the global shutter must freeze motion at up to 91 fps without distortion
  • Electronics and semiconductor inspection that needs 8 MP detail over a square 2840 x 2840 field to resolve small features and fine flaws
  • Dimensional measurement and metrology where global-shutter geometry and dense pixels give repeatable, distortion-free gauging
  • Industrial OCR/OCV and print or packaging inspection that requires sharp, high-resolution text and code capture at line speed
  • Single-camera-per-grabber stations needing deterministic CXP-12 coax runs with PoCXP single-cable power and data

Selection notes

  • This is a CoaXPress CXP-12 camera, so it requires a compatible CXP-12 frame grabber and a Micro BNC (75 ohm) coaxial cable; budget for the grabber and confirm host PCIe slot availability before designing it in.
  • Power planning: PoCXP lets the coax carry both power and data for single-cable runs, but verify the grabber supplies PoCXP; otherwise provide the external +18.5 to +26 VDC input.
  • The 2.74 um pixel pitch on a 2/3" sensor is demanding -- specify a high-resolution C-mount lens with sufficient MTF and the right focal length for your working distance, or the 8 MP detail will not be realized.
  • Choose the variant deliberately: the mono STC-MBS800CXP121 (Mono8/10/12) maximizes sensitivity and contrast for measurement and defect tasks, while the color STC-MCS800CXP121 (Bayer RG) is only warranted when color information is needed.
  • Reaching the full 91 fps at 8 MP typically means short exposures, so plan strobed lighting and hardware triggering; exposure ranges from 1 us to 16.777 s with 0-18 dB gain to cover both fast and low-light conditions. Confirm the 0 to +56 C operating range and 3.5 W thermal load fit your enclosure.

Specifications: General
BrandOmron / Sentech
Camera typeArea scan

Specifications: Sensor
Resolution8 MP (2840 x 2840)
Horizontal resolution2840 px (H) x 2840 px (V)
Mono / colorMonochrome (STC-MBS800CXP121) / Color Bayer RG (STC-MCS800CXP121)
Sensor manufacturerSony Pregius S
Sensor modelSony IMX546
ShutterGlobal shutter
Sensor size2/3" optical format (Type 2/3)
Pixel size2.74 µm x 2.74 µm

Specifications: Performance
FPS91.0 fps (full resolution)

Specifications: Interface
InterfaceCoaXPress CXP-12 (1 lane, Micro BNC 75 ohm)
ProtocolsGenICam / CoaXPress Standard 2.0

Specifications: Optics
MountC-mount

Specifications: Electrical
Powerpocxp (Power over CoaXPress) or external +18.5 to +26 VDC
Power consumption3.5 W

Specifications: Environment
Operating temperature0 to +56 °C

Specifications: Mechanical
Dimensions29 (W) x 29 (H) x 40 (D) mm
Weight54 g

Frequently asked questions

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