Porst CM auto 135

The Porst CM auto 135 is a viewfinder camera. The 35mm camera was sold by Photo Porst and built by Cosina. It is identical to the Cosina CX-2.

The lens of the Porst CM auto 135 is fixed. The lens is called “Color-Spezial 1:2,8 35mm”. The focal length is 35 mm. The largest aperture is f/2.8. The lens is focused by hand in zones. The model does not have an autofocus function. The closest focusing distance for this lens is 90 cm.

For shooting, the Porst CM auto 135 has a CdS light meter. It is designed for an ISO range of 25 to 400. The exposure settings are set automatically by the camera. Via hot shoe, an external flash can be used with the 35mm camera.

The camera weighs 225 grams. The dimensions are 10.3 x 6.6 x 4.2 cm. The power source of the Porst CM auto 135 is two SR44/LR44 (eBay / Amazon*).

Films for the Porst CM auto 135

What kind of films are needed for the Porst CM auto 135? You have to buy 35mm films for the camera. These films are still manufactured and can be specified at almost any supplier of development work. A color film for the 35mm camera would be the Kodak Ultramax 400*. A possible film for black and white images is the Ilford Delta 400*.

The black and white film must be developed in a black and white developer to get the images. For this you have to buy a suitable developer if you don’t send it to a photo lab.

The color film is processed in the C-41 process, this process is standardized. This is offered by almost every photo lab. The pure development costs at a profile lab are usually between 2.5 and 7 euros.

The photographer must wind the film manually. However, there is also an automatic winder.

The 35mm camera is only available second-hand, as production has ended. Depending on its condition, the cost of the Porst CM auto 135 varies.