OM System: The Camera Features Most Manufacturers Don't Offer

The debate about Micro Four Thirds always circles back to sensor size. What it rarely covers is the computational photography stack that OM System has built around that sensor — features that either don’t exist on full-frame alternatives or require separate accessories and software to approximate.

Pro Capture: Shooting Backwards in Time

Pro Capture is the feature with the most direct competitive relevance. The camera continuously buffers raw frames before the shutter is pressed, releasing them retroactively when the photographer triggers the capture. The OM-1 Mark II captures 50 raw frames per second with continuous autofocus or 120 raw frames per second with single autofocus — enabling shots of moments that happened before the photographer’s reaction time.

This matters for wildlife and sports: birds in flight, athletes at peak action, unpredictable subjects that are gone before conscious anticipation. Competitors offer burst modes, but few buffer raw frames pre-trigger at this rate.

High Res Shot: 80MP from a 20MP Sensor

High Res Shot uses sensor-shift technology — physically moving the sensor between exposures — to produce either 50MP handheld images (8,160 × 6,120 pixels) or 80MP tripod images (10,368 × 7,776 pixels). The technique combines multiple exposures into a single composite, trading motion tolerance for resolution output far beyond the sensor’s native pixel count.

For landscape, architecture, and product photography where the subject is static, the output resolution is competitive with medium-format systems at a fraction of the cost and weight.

Live ND and Live GND: Filter Drawer in Software

Live ND applies digital neutral density filtering up to ND128, enabling longer shutter speeds without physical filters in Shutter Priority and Manual modes. Live GND extends the concept to graduated neutral density effects, digitally balancing bright skies with dark foregrounds — adjustable in-camera, with no filter ring or precise physical alignment required.

These aren’t perfect substitutes for high-quality optical filters in critical applications, but they reduce the equipment requirement for photographers who want creative shutter control in the field without carrying a filter system.

Focus Stacking: Automated Depth of Field Extension

The camera captures multiple frames at different focus points and merges them automatically, producing extended depth of field without post-processing software. This is particularly useful for macro and landscape work, where the optical depth of field at a chosen aperture can’t cover the subject range. The OM-1 Mark II, tested previously in a wildlife context, executes this in-camera without the alignment and blending steps that manual stacking in Lightroom or Photoshop requires.

The Stabilization Advantage

OM System’s in-body image stabilization reaches 8.5 stops with selective modes — S-IS 2 for vertical movement, S-IS 3 for horizontal movement. Most full-frame mirrorless systems offer 6–7 stops. The Micro Four Thirds format, often criticized for sensor size, has maintained a stabilization advantage because the smaller sensor requires less physical displacement to compensate for the same angular movement.

Source: PetaPixel

Content created with AI assistance and reviewed for accuracy.