Petri GX-1 (1980)

Name: Petri GX-1
Brand: Petri

The Petri GX-1 is a 35mm SLR from 1980. Petri had gone bankrupt in 1977, and Cosina built the GX-1. It's a rebadged Cosina CT-1A, so if you've handled a CT-1A, you've essentially handled this camera. The Butkus.org manual page notes that the Cosina CT-1G is a slight modification of the same body, with a grip and no self-timer.

It's a fully mechanical camera with a built-in light meter. Shutter speeds run from 1s to 1/1000s plus bulb. The lens mount is Pentax K, and it was typically sold with a Petri 50mm f/2 lens. A "GX-1 Super" variant also exists, though the differences between the two are not clearly documented.

Surviving documentation is thin. There's no confirmed original price, dimensions, or detailed viewfinder specs in the record. What's clear is that this is a straightforward, functional Cosina-made SLR wearing Petri badges in the brand's final years. One retailer currently lists one at $99-$105, describing it as a beginner-friendly camera thanks to its aperture-priority shooting. At least one old listing noted the meter "does not work properly" on that individual unit while the rest of the camera remained functional.

Known specs: