The IOR Orizont Optim A is a camera. The model was developed in the 20th century by King KG from the Black Forest in southern Germany. From the Intreprinderea Optica Romana with headquarter in Bucharest a license for the production was acquired.
The lens of the IOR Orizont Optim A cannot be replaced. The focal length is 40 mm and the largest aperture of the lens is f/2.8. You have to focus the lens manually.
For measuring the exposure, the IOR Orizont Optim A has an exposure meter. It is designed for films from ISO 25 to ISO 400. More precisely, it is a selenium exposure meter.
An external flash can be triggered via the built-in Hot Shoe. The IOR Orizont Optim A has a cable release and a tripod thread. The cable release allows the use of bulb mode. This function cannot be used without the cable release.
Films for the IOR Orizont Optim A
What films do you need for the IOR Orizont Optim A? It need 35mm film. 35mm films are still offered by various manufacturers. A 35mm film for color pictures is the Kodak Portra 160*. A possible black and white film is the Ilford Delta 100*.
The color film is processed in the C-41 process. C-41 films can be developed by most photo laboratories. The B/W film needs an special developer.
As a rule, 36 shots are possible per film (135-36) at this negative size. The film in the camera must be winded manually, as there is no automatic film transport.
Technical datasheet
| Attribute | Specification |
|---|---|
| Type of Camera | Viewfinder camera |
| Film format | 35mm |
| Film transport | Manual |
| Picture format | 24 mm x 36 mm |
| Focal length | 40 mm |
| Widest aperture | f/2.8 |
| Focus | Manual |
| Exposure times | 1/500 second to 1/30 second, Bulb |
| Bulb mode | Yes |
| Light meter | Selenium light meter |
| Supported film speeds | ISO 25 to 400 |
| Exposure modes | Manual mode |
| Auto DX (Film sensitivity) | No |
| Built-in flash | No |
| Flash Connection | Hot Shoe |
| Tripod mount | Yes |
| Cable release thread | Yes |
| Self-timer | No |
| Power supply | Not necessary |
FAQ about the IOR Orizont Optim A
Is the lens on this camera interchangeable?
No, the IOR Orizont Optim A has a fixed 40mm lens with a maximum aperture of f/2.8. You can't swap it out for a different lens. Focusing is done manually.
How does the camera measure the light for the exposure?
It uses a built-in selenium light meter, designed for films with ISO speeds ranging from 25 to 400. This meter helps you determine the correct exposure settings.
What kind of film does this camera use?
The IOR Orizont Optim A uses standard 35mm film. You can use color or black and white film; 36 exposures are possible per roll.
Can I use a flash with this camera?
Yes, the camera has a hot shoe that allows you to connect and trigger an external flash unit. This makes it more versatile in low light conditions.
Does the camera have any automatic features?
No, this is a fully manual camera. There's no autofocus, no automatic film advance, and the bulb mode requires a cable release.