The Cosina C1 is a reflex camera. It was presented and built by Cosina in the 90s. The model was built under different own brands. In Germany it was available under the brand “Carena”. The Cosina C1s is similar to the C1, but comes with a self-timer.
The lenses of the Cosina C1 can be changed. The camera can be used with Pentax K lens mount lenses. The Cosina C1 does not provide autofocus system. Focusing is manual.
For photographing, the Cosina C1 an exposure meter. It is designed for films in an ISO range of 25 to 3200. The correct exposure is measured through the lens of the SLR camera. The aperture and shutter speed can be selected by the photographer as desired.
The photo camera comes with a bulb mode. An external flash can be connected via hot shoe. The 35mm camera has a connector for a cable release. There is also a thread for mounting a tripod.
The dimensions of the Cosina C1 are 13,8 x 8,8 x 5,8 cm. It brings 370 grams on the scales. The power source of the 35mm camera are two LR44 batteries (eBay / Amazon*).
Films for the Cosina C1
For taking pictures with the Cosina C1, 35mm films are needed. Films of this format are still easy to get today and are still being developed. A great film choice for color photos is the Agfaphoto Vista 400* and for black and white pictures the Kodak TRI-X 400*. The color film is processed in the C-41 process. This is offered by almost every photo lab.
Technical datasheet
| Attribute | Specification |
|---|---|
| Type of Camera | Single lens reflex camera |
| Film format | 35mm |
| Film transport | Manual |
| Picture format | 24 mm x 36 mm |
| Lens mount | Pentax K lens mount |
| Focus | Manual |
| Exposure times | 1/2000 second to 1 second, Bulb |
| Bulb mode | Yes |
| Light meter | Yes |
| Supported film speeds | ISO 25 to 3200 |
| Exposure modes | Manual mode |
| Auto DX (Film sensitivity) | No |
| Built-in flash | No |
| Flash Connection | Hot Shoe |
| Flash sync speed | 1/125 s |
| Tripod mount | Yes |
| Cable release thread | Yes |
| Self-timer | No |
| Power supply | 2x LR44 batteries |
| Size | 13,8 x 8,8 x 5,8 cm |
| Dimensions in inches | 5.43 x 3.46 x 2.28 inches |
| Weight | 370 Grams |
| Estimated value / Used price | 106,41 Euro Estimate based on used prices of 4 offers (possibly with different scope of delivery and/or condition). As of June 15, 2026 |
| Average used price in the year 2023 | 50,96 Euro (54.12 US-Dollar) |
| Average used price in the year 2024 | 78,38 Euro (84.43 US-Dollar) |
| Average used price in the year 2025 | 93,88 Euro (100.66 US-Dollar) |
FAQ about the Cosina C1
Is the Cosina C1 an automatic camera?
No, the Cosina C1 is a manual focus camera. It doesn't have autofocus; you adjust the focus yourself. This gives you more control over your images.
What kind of lenses can I use with this 35mm camera?
The Cosina C1 uses Pentax K mount lenses. This means you can choose from a wide variety of lenses, both new and used, to suit your needs.
How does the light meter work on the camera?
The Cosina C1 has a built-in light meter that works through the lens. It helps you determine the correct exposure settings for your film, from ISO 25 to 3200.
What type of film does the Cosina C1 use?
This camera uses standard 35mm film, which is still readily available and easy to develop at many photo labs. Both color and black and white film work.
Can I use a flash with this device?
Yes, the Cosina C1 has a hot shoe for connecting an external flash. This allows you to use flash photography in low-light conditions.