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Ricoh GXR GR Lens A12 28mm F2.5 Camera Module

The Ricoh GR Lens A12 28mm F2.5 is a 12MP APS-C camera — with 720p video. Check GearFocus for current availability, with buyer protection on every purchase.

Ricoh GXR GR Lens A12 28mm F2.5 Camera Module

Ricoh GXR GR Lens A12 28mm F2.5 Camera Module

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Overview — Ricoh GR Lens A12 28mm F2.5

The Ricoh GXR GR Lens A12 28mm F2.5 Camera Module is a self-contained imaging unit built for the modular GXR system. Unlike traditional interchangeable-lens cameras, this module integrates the lens and sensor into a single assembly, snapping into the GXR body to function as a complete camera. At its core is an APS-C sensor delivering 12MP resolution with a maximum output of 4288x2848 pixels — a notable imaging capability in a compact, module-based form factor.

The autofocus system relies on contrast detection, which prioritizes accuracy in a fixed-lens configuration. ISO sensitivity spans from 200 to 3200, covering a practical range for everyday and low-light shooting without pushing into extended territory. The module supports burst shooting at up to 3 frames per second, giving photographers a degree of continuous shooting capability.

For video, it captures footage at up to 720p at 30fps. Storage is handled via SD, SDHC, and SDXC cards, keeping media options current and widely accessible. The lens is fixed — there is no interchangeable optic here — which is by design in this integrated module concept.

No image stabilization is present, either in-body or digital. This module appeals to photographers who value the GXR system's modular approach and want a dedicated wide-angle imaging unit with an APS-C sensor.

Key Features — Ricoh GR Lens A12 28mm F2.5

12MP APS-C Sensor: The integrated APS-C sensor delivers 12MP resolution at up to 4288x2848 pixels, offering image quality well above typical compact cameras of its era.

28mm f/2.5 Fixed Lens: The GR-lineage wide-angle lens is permanently coupled to the sensor, ensuring optical alignment is factory-optimized for this specific imaging unit.

Modular GXR System: This self-contained module snaps into the GXR body and replaces both the lens and sensor simultaneously, a unique approach to system camera design.

Contrast Detection AF: Contrast-detect autofocus prioritizes focus accuracy in a fixed-lens configuration suited to deliberate, still-subject shooting.

ISO 200–3200 Range: Native sensitivity covers practical everyday and low-light conditions without relying on extended or boosted ISO values.

3fps Burst Mode: Continuous shooting at up to 3 frames per second gives photographers the ability to capture sequences of fast-moving subjects.

Specifications — Ricoh GR Lens A12 28mm F2.5

Ricoh GR Lens A12 28mm F2.5 full specifications
SpecDetail
Use CasesTravel, Documentary, Macro
TypeOther
SensorAPS-C
Resolution12MP
ISO Range200 – 3200
AF SystemContrast Detection
Max Photo Resolution4288x2848
Burst Rate3 fps
Max Video Resolution720p
Max Frame Rate30fps
Storage MediaSD, SDHC, SDXC
Weather SealingNone

Description — Ricoh GR Lens A12 28mm F2.5

The Ricoh GXR GR Lens A12 28mm F2.5 Camera Module is a purpose-built imaging unit for the GXR modular camera system. It houses an APS-C sensor producing 12MP stills at a maximum resolution of 4288x2848 pixels. The ISO sensitivity range spans 200 to 3200, and burst shooting is supported at up to 3 frames per second.

Autofocus is handled via contrast detection, and the lens is entirely fixed — integrated directly with the sensor as part of the module's design philosophy. For video, the module records at up to 720p at 30fps. Storage is covered by SD, SDHC, and SDXC card compatibility.

There is no image stabilization — neither in-body nor digital — so steady shooting technique is important. This module is a compelling option for GXR system users looking for a dedicated wide-angle unit with a proper APS-C sensor at its heart.

Pros — Ricoh GR Lens A12 28mm F2.5

  • ✓APS-C sensor with 12MP resolution delivers a maximum image output of 4288x2848 pixels
  • ✓Wide ISO range of 200–3200 provides flexibility across varied lighting conditions
  • ✓Burst mode capable of 3 frames per second for continuous shooting

Cons — Ricoh GR Lens A12 28mm F2.5

  • ✗No image stabilization of any kind — neither in-body nor digital
  • ✗ISO ceiling of 3200 is modest by modern standards, limiting extreme low-light performance
  • ✗Video tops out at 720p at 30fps, well below current HD and 4K standards

Reviews — Ricoh GR Lens A12 28mm F2.5

Videos — Ricoh GR Lens A12 28mm F2.5

This Ain't No Ricoh GR... — Tom Calton

Resources & Downloads — Ricoh GR Lens A12 28mm F2.5

Manuals & Guides

Frequently Asked Questions — Ricoh GR Lens A12 28mm F2.5

What sensor does this GXR module use?+
The module uses an APS-C type sensor with a resolution of 12MP. The maximum still image output is 4288x2848 pixels.
Can I change the lens on this module?+
No. The lens is fixed and integrated into the module itself. The mount type is listed as a fixed lens, meaning the optic and sensor are a single, non-separable unit.
What memory cards are compatible with this module?+
The module supports SD, SDHC, and SDXC cards, giving you a wide range of commonly available storage options.
What is the ISO range of this module?+
The ISO range runs from a minimum of 200 to a maximum of 3200. There are no extended ISO modes listed in the specifications.
Does this module have image stabilization?+
No. The specifications confirm that both in-body image stabilization and digital image stabilization are absent from this module.
What video resolution does this module support?+
The module captures video at a maximum resolution of 720p at 30fps. No higher resolution video modes are listed in the specifications.

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