The Porst Compact Reflex OV is a SLR camera. The 35mm camera was built by Cosina for the German photo dealer. Under the name “Cosina CS-2”, the SLR camera was sold by Cosina.
The lens of the Porst Compact Reflex OV is interchangeable. Lenses with a Pentax K bayonet can be used with the camera. You have to focus the lens by hand. The 35mm camera does not have an autofocus function.
For photographing, the Porst Compact Reflex OV an exposure meter. The exposure meter was designed for films with ISO value between 25 and 3200. The exposure meter is designed to measure exposure through the lens of the camera. The aperture and shutter speed are freely adjustable.
The Porst Compact Reflex OV has a bulb mode, for example for long exposures. The shutter stays open as long as desired. An external flash can be connected to the Hot Shoe. There is also a PC flash socket.
Films for the Porst Compact Reflex OV
The Porst Compact Reflex OV exposes 35mm films. 35mm films are still produced by different manufacturers. For black-and-white shots, you can go to with the Kodak T-Max 400*. For color images, the Agfaphoto Vista 200* is a possibility.
The Porst Compact Reflex OV has a built-in self-timer and an option to connect a cable release. There is also a thread for a tripod. The dimensions of the 35mm camera are 13,65 x 8,35 x 5,1 cm. At this size her weight is 530 g. The power supply is provided by two S-76 1.5V batteries (eBay / Amazon*).
The 35mm camera can today only found in used condition. The cost for buying Porst Compact Reflex OV depends on the condition and the accessories.
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 |
| Viewfinder | Pentaprism finder |
| 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 | 1/60 s |
| Tripod mount | Yes |
| Cable release thread | Yes |
| Self-timer | Yes |
| Power supply | 2x S76 batteries |
| Size | 13,65 x 8,35 x 5,1 cm |
| Dimensions in inches | 5.37 x 3.29 x 2.01 inches |
| Weight | 530 Grams |
| Company name of the brand | Photo Porst |
| Manufacturer | Cosina |
| Country of production | Japan |
| Estimated value / Used price | 47,00 Euro Estimate based on used prices of 3 offers (possibly with different scope of delivery and/or condition). As of June 15, 2026 |
| Average used price in the year 2025 | 55,69 Euro (59.53 US-Dollar) |
FAQ about the Porst Compact Reflex OV
Is the Porst Compact Reflex OV a manual focus camera?
Yes, it is. The Porst Compact Reflex OV uses manual focus; there's no autofocus feature. You have to manually adjust the focus on the lens.
What kind of lenses can I use with this camera?
The camera accepts lenses with a Pentax K bayonet mount. This means you'll need to find lenses compatible with that specific mount.
How does the light meter work on this 35mm camera?
The built-in light meter measures light through the lens and works with film speeds from ISO 25 to ISO 3200. It helps you determine the correct aperture and shutter speed settings.
Does the camera have any special features for long exposures?
Yes, it has a bulb mode. In bulb mode, the shutter stays open as long as you hold the button down, allowing for long exposures.
What type of film does this camera use and where can I get it developed?
It uses standard 35mm film. You can find various 35mm films from different manufacturers. The developed film is processed via C-41 which is widely available.