The Petri MF-104 is a reflex camera. The 35mm camera was built by Cosina for Petri. The Petri MF-104 was also sold under the name “Cosina CT-4”.
The lenses of the Petri MF-104 are interchangeable. Lenses can be used with a Pentax K bayonet. The lens is focused manually. The Petri MF-104 does not have an autofocus.
Photography is facilitated by the built-in exposure meter. It can be used with films from ISO 25 to ISO 3200. The exposure meter is designed to measure exposure through the lens of the camera.
The exposure time is set automatically by the 35mm camera, the aperture is selected by the photographer. The shutter speed and aperture can also be selected individually by the photographer. The 35 mm camera comes with a Bulb setting option. Hot Shoe flashes can be used with the Petri MF-104. There is also a PC flash socket.
Films for the Petri MF-104
The Petri MF-104 needs photo film, more precisely 35mm film. 35mm films are still easy to get today and are developed by most photo laboratories. Possible films for the model are the Agfaphoto Vista 200* and the Kodak TRI-X 400*.
The color negative film is developed in the C-41 development process. This development process is available at almost every photo lab.
The negatives of camera have a size of 24 mm x 36 mm. When the exposure area is this size, 36 photos usually fit on a normal film (135-36). The photographer must manually wind to the next image.
The 35mm SLR has a self-timer and tripod thread. The dimensions of the 35mm camera are 13,5 x 8,5 x 4,8 cm. The weight of it is 530 g. The power supply for the 35mm camera is provided by two LR44 batteries (eBay / Amazon*).
The Petri MF-104 can today only found in used condition. Depending on the state of the camera, the price for a used copy vary.
Technical datasheet
| Attribute | Specification |
|---|---|
| Type of Camera | Single lens reflex camera |
| Film format | 35mm |
| Picture format | 24 mm x 36 mm |
| Lens mount | Pentax K lens mount |
| Focus | Manual |
| Exposure times | 1/1000 second to 8 seconds, Bulb |
| Bulb mode | Yes |
| Light meter | Yes |
| Built-in flash | No |
| Flash Connection | Hot Shoe, PC-Flash |
| Flash sync speed | 1/100 s |
| Tripod mount | Yes |
| Cable release thread | Yes |
| Self-timer | Yes |
| Power supply | 2x LR44 batteries |
| Size | 13,5 x 8,5 x 4,8 cm |
| Dimensions in inches | 5.31 x 3.35 x 1.89 inches |
| Weight | 530 Grams |
| Manufacturer | Cosina |
FAQ about the Petri MF-104
Is the Petri MF-104 a manual focus camera?
Yes, the Petri MF-104 is a manual focus camera. It doesn't have autofocus. You adjust the focus yourself using the lens.
What kind of lenses can I use with this camera?
The Petri MF-104 uses Pentax K mount lenses. This means you can use a variety of lenses, but you'll need to find ones with that specific mount.
How does the light meter work on this 35mm camera?
It has a built-in light meter that measures the light through the lens. This helps you determine the correct exposure settings for your film.
What film does the Petri MF-104 use, and how many shots can I get per roll?
It uses standard 35mm film. A typical roll holds 36 exposures, and you advance the film manually after each shot.
Where can I buy a Petri MF-104 today?
Because it's an older model, you'll likely find it only used on online marketplaces or from camera collectors. Prices will vary depending on condition.