The Contax 139 Blog

 I've seen a few discussions about this recently and the suggested reasons and solutions show a lack of understanding of general princip...

Due to a number of spam comments that have been made recently, all comments on this blog are now moderated which means they will be checked ...

I was reminded recently of a post I made, some years ago, on Rangefinder Forum describing the adjustment of the Nikon FM2 shutter (later use...

Who knew body caps could be so interesting? I noticed I had four different types of body caps. They are: 1. From a later, Kyocera made, body...

 I bought this S2 a while ago - someone had squirted oil into the shutter and had removed and refitted the focus screen incorrectly which ca...

An example of the difference a service can make to the shutter speeds of a camera - in this case, an RTS II. Shutter speeds before service: ...

The 159 focus screen is not considered user replaceable despite it being fairly easy to remove. The problem is refitting it. In the user man...