Konica Hexar RF: A Rangefinder That Takes Film Advance Out of Your Hands
Load the film, close the back, and switch on the camera. The Hexar RF advances to the first frame. After each release, the motor moves the film again.
On many rangefinders, the advance lever belongs to the rhythm of making a photograph. The Hexar RF removes that movement from the photographer. Rather than treating it as a faster substitute for a Leica, this article asks what happens when distance and composition remain manual while exposure and film transport are partly delegated to the camera.
Scope
The author does not own a Hexar RF. This is not a long-term use report. It interprets the camera’s specifications through Konica’s technical report and the instruction manual, then connects them to shooting and purchase decisions.
Public documents cannot establish the feel, rangefinder accuracy, exposure accuracy, failure pattern, or current repairability of a particular body. Those points have to be checked on the candidate camera and with the repair shop that may eventually receive it.
What automatic film advance changes
According to the manual, closing the back and switching on the Hexar RF advances the film to the first frame. It winds after each exposure and rewinds at the end of the roll. A continuous shooting mode is also available.
The central convenience is not the burst rate. It is the ability to keep looking through the finder and move directly to the next distance and composition without operating a lever. That small continuity can change the tempo when following a gesture or expression.
The lever is not merely an inconvenience for everyone. Some photographers use its resistance to confirm the state of the film, and a motor may be undesirable in a quiet room. Neither sound nor feel can be judged from the documents, so both belong on the in-person test list.
1/4000 second does not guarantee wide-open shooting
The Hexar RF uses an electronically controlled vertical-travel metal shutter. Its aperture-priority AE range is 16 seconds to 1/4000 second; manual settings run from 1 second to 1/4000 second plus Bulb. It also provides manual exposure and AE lock.
Compared with a mechanical body limited to 1/1000 second, 1/4000 adds two stops. It does not mean that a fast lens can always remain wide open in daylight. Film speed and light level may still require an ND filter or a smaller aperture.
The useful distinction is narrower: the faster shutter adds two stops to the exposure choices available. Those two stops will be used differently with ISO 100 and ISO 400 film.
The 0.6× finder was designed to show more
Konica’s development report specifies 0.6× magnification and 10 mm of eye relief. The engineers explain that they favored eye relief and a clearer view of the 28 mm frame instead of increasing magnification for larger telephoto frames and a longer effective rangefinder base.
This is a design tradeoff, not a simple ranking.
- For photographers who mainly use 28 mm or 35 mm lenses and want to see the frame while wearing glasses, lower magnification and longer eye relief may fit.
- For critical focusing with 50 mm or 90 mm lenses, the size of the frame and rangefinder patch should be checked in person.
The calculated rangefinder performance in a technical report is not the same as ease of focusing for a particular eye. Eyeglasses, eyesight, dominant eye, and focal length all change the experience.
Do not decide lens compatibility from the label alone
Konica’s formal mount name is the KM mount. The manual directs users to M-Hexanon KM-mount lenses and does not guarantee correct operation or performance with other lenses.
A seller’s phrase “M-mount compatible” is therefore not enough to settle whether a lens and body make a reliable pair. Check whether the lens mounts correctly, whether the rangefinder agrees at infinity and close distance, and whether a wide-aperture test frame places focus where expected.
This article does not declare every third-party combination safe or unsuitable. It separates the range Konica guaranteed from the combinations that a buyer may choose to test on a used body.
When the batteries stop, shooting stops
The camera uses two CR2 lithium batteries. Both the shutter and film transport are electronic. Unlike a body whose mechanical shutter continues to operate without meter power, the Hexar RF does not retain a fallback shutter speed after electrical power is lost.
That does not make electronic control inferior. AE, 1/4000 second, automatic loading, and automatic advance come with batteries and circuitry as part of the shooting system.
As of July 29, 2026, I could not verify a reliable general source for repair acceptance, parts availability, or typical prices. This article therefore does not quote a repair figure or label the camera unrepairable. Before buying, ask the intended repair shop whether it accepts the candidate symptom and whether it can address the rangefinder, shutter, film transport, and LCD.
Conditions that separate the choices
The Hexar RF is most likely to fit a photographer who wants a rangefinder view and manual focus while automating part of exposure and film transport. Its direction is especially coherent with 28 mm or 35 mm lenses and with keeping the eye at the finder between frames.
Another camera may fit better if shooting must continue without batteries, if winding is part of the desired hand rhythm, or if a clearly established repair path matters more. Photographers who mainly use 50 mm and longer lenses may also benefit from comparing a higher-magnification finder.
The Hexar RF does not settle the final form of the rangefinder. It takes a clear position on what remains in the photographer’s hands and what is passed to the machine.
Checks before buying
- Install two CR2 batteries and check that the display, shutter, and motor operate consistently from power-on.
- With a test roll, verify automatic loading, single-frame advance, and rewind.
- Check vertical and horizontal rangefinder alignment at infinity and close distance, ideally with the lenses you plan to use.
- Confirm that shutter behavior changes across AE and manual settings and that the meter display does not fluctuate without reason.
- Inspect the LCD, battery chamber, back, and mount for damage or corrosion.
- Ask a repair shop which symptoms it currently accepts before committing to the body.