The Olympus OM-1n is a 35mm camera. It is a revised version of the Olympus OM-1 MD. The SLR camera differs only slightly from its predecessors. Thus, the readiness of the flash displayed in the search and the removable hot shoe was equipped with a left-hand thread to avoid confusion.
The lens of the Olympus OM-1n is interchangeable. For this purpose, an Olympus OM bayonet has been installed. There is a wide range of lenses with different focal lengths for this lens bayonet. The Olympus OM-1n does not have an autofocus. Therefore, you have to focus by hand.
The 35mm camera has a light meter. It is designed for an ISO range of 25 to 1600. The correct exposure is measured through the lens and can be taken by the photographer accordingly. There is no automatic exposure control in the camera that automatically sets the exposure time and aperture.
The camera does come with a bulb setting option. In addition to a PC flash port, the Olympus OM-1n can be used with hot shoe flashes.
Films for the Olympus OM-1n
What is needed for the Olympus OM-1n is photographic film. Used are films for the 35mm format. The 35mm format is the most common film format. Therefore, some manufacturers still produce for this format. Possible films for the camera are the Agfaphoto Vista 400* for color photos and the Kodak T-Max 100* for B/W images.
The color film is processed using the C-41 process. This development process is offered by most laboratories.
The film in the camera must be rewound manually by the photographer. The Olympus OM-1n can be mounted on a tripod. There is also a thread for a cable release. Additionally, there is a self-timer. The power source of the 35mm camera is a PX 625 battery.
The model is only available used. The condition and scope of delivery determine the price of a used copy.
Technical datasheet
| Attribute | Specification |
|---|---|
| Type of Camera | Single lens reflex camera |
| Film format | 35mm |
| Picture format | 24 mm x 36 mm |
| Lens mount | Olympus OM lens mount |
| Focus | Manual |
| Viewfinder | Pentaprism finder |
| Exposure times | 1/1000 second to 1 second, Bulb |
| Bulb mode | Yes |
| Light meter | Yes |
| Built-in flash | No |
| Flash Connection | Hot Shoe, PC-Flash |
| Flash sync speed | 1/60 s |
| Tripod mount | Yes |
| Cable release thread | Yes |
| Self-timer | Yes |
| Power supply | 1x PX625 battery |
| Country of production | Japan |
| Estimated value / Used price | 193,49 Euro Estimate based on used prices of 99 offers (possibly with different scope of delivery and/or condition). As of June 15, 2026 |
| Average used price in the year 2023 | 188,11 Euro (203.49 US-Dollar) |
| Average used price in the year 2024 | 184,40 Euro (199.16 US-Dollar) |
| Average used price in the year 2025 | 177,67 Euro (191.58 US-Dollar) |
FAQ about the Olympus OM-1n
Is the Olympus OM-1n a digital camera or does it use film?
The Olympus OM-1n is a film camera, specifically a 35mm camera. It uses standard 35mm film rolls, which are still available from several manufacturers. You'll need to manually advance the film after each shot.
How do I focus the lens on this camera?
This camera doesn't have autofocus. You have to manually focus the lens by turning the focusing ring until the image is sharp. It requires a bit more practice, but offers a deeper understanding of the process.
Can I use a flash with this camera model?
Yes, the Olympus OM-1n is compatible with both hot shoe flashes and PC-sync flashes. There's a hot shoe with a left-hand thread to prevent accidental misconnections. The readiness of the flash is shown in the viewfinder.
Does the camera have an automatic exposure setting?
No, the Olympus OM-1n doesn't have automatic exposure. It has a built-in light meter to help you determine the correct aperture and shutter speed settings for proper exposure. You'll need to set these manually.
What kind of battery does the 35mm camera need?
The Olympus OM-1n uses a PX 625 battery. This is a readily available battery type for older cameras, but remember to check its charge before heading out to shoot.