Olympus OM-30: The Almost-Autofocus Experiment

By 1983, the camera industry was shifting fast.
Autofocus was the new frontier and Olympus, always willing to innovate, didn’t want to be left behind.

The result was the Olympus OM-30 (known in North America as the OM-F):
an unusual and ambitious camera that tried to bridge the gap between traditional manual SLRs and the autofocus future.

It wasn’t perfect.
It wasn’t even a true autofocus camera.
But it was a fascinating glimpse of what Olympus thought might be possible.


How the OM-30 Tried to Change the Game

The OM-30 was built on the OM-20’s chassis,
but with significant changes inside.

  • Focus Confirmation System:
    Using sensors in the viewfinder, the OM-30 could detect when a subject was in focus.
    LED arrows pointed left or right to tell you which way to turn the focus ring.
    When focus was achieved, a green light confirmed it.
  • (Almost) Autofocus Capability:
    With the rare Zuiko 35-70mm f/4 Auto Focus lens,
    the OM-30 could actually move the lens elements to achieve basic autofocus.
    Slow, clunky, and very limited, but technically an autofocus system.
  • Manual Focusing Always Available:
    Without the special lens, the OM-30 functioned as a standard manual focus camera, with helpful focus confirmation aids.
  • Built-In Manual Control:
    Like the OM-20, full manual shutter speed selection was built-in, no adapter needed.

Key Features of the OM-30

  • Focus Assist LEDs:
    Viewfinder arrows help guide manual focus.
  • Autofocus (with Special Lens Only):
    Supports Olympus 35-70mm f/4 Auto Focus lens for limited autofocus operation.
  • Aperture Priority and Manual Exposure Modes:
    Flexibility for beginners and experienced users.
  • Quartz-Timed Shutter:
    Speeds from 2 seconds to 1/1000s, plus 1/45s mechanical backup.
  • TTL Flash Metering:
    Through-the-lens flash with Olympus T-series flashes.
  • Motor Drive Compatibility:
    Winder 2 or Motor Drive 1 ready.
  • Bright Viewfinder:
    ~93% coverage with shutter speed and focus confirmation indicators.
  • Battery Powered:
    Requires two SR44 batteries for full operation.

How the OM-30 Compared to the OM-20

FeatureOM-20OM-30
Focus AssistNoneLED arrows + green confirmation
AutofocusNoOnly with dedicated lens
Shutter ModesAperture Priority + ManualAperture Priority + Manual
Top PlateStrengthened alloySame with additional electronics
CircuitryBasic meteringAdvanced focus detection sensors

The OM-30 was a genuine technological step forward,
but Olympus released it into a market not yet ready for autofocus SLRs.
And autofocus itself needed a few more years (and better motors) to become practical.


How to Estimate the Age of Your OM-30

Serial Number RangeApproximate Production Years
100000-300000OM-30

Production numbers were relatively low.
The OM-30 is much rarer on the used market today than OM-10s or OM-20s.

Serial Location:

  • Engraved on the top plate near the rewind crank.

Olympus OM-30: Full Specifications

SpecificationDetail
Year Released1983
Shutter Speeds2s-1/1000s (Quartz-timed), 1/45s mechanical backup
Flash Sync1/45s
MeteringCentre-weighted average
Exposure ModesAperture Priority, Manual
Focus ModesManual with focus confirmation, basic autofocus with special lens
Viewfinder Coverage~93%
Motor Drive CompatibilityWinder 2, Motor Drive 1
BatteriesTwo 1.5V SR44 or one 3V CR1/3N
TTL Flash SupportYes
Body MaterialComposite reinforced body

OM-30 Manual for Download


Final Word

The OM-30 didn’t change photography forever.
It didn’t become a best-seller.
It wasn’t even that good at autofocus.

But it mattered.

It showed that Olympus, even facing a rapidly changing market,
kept innovating, kept experimenting, and kept pushing for better tools.

And that spirit, the spirit that created the OM-1,
still burned brightly inside.

If you find an OM-30 today, you’re holding a fascinating piece of SLR history:
one foot in the mechanical past, one foot reaching towards the future.