Tag Archives: leitz

Camera Repair, Vintage Cameras

Cleaning E. Leitz Wetzlar Summar Haze

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Exterior mystery crust

The Leica lens, E. Leitz Wetzlar “Summar” 50mm (5cm) f/2 is notorious for having internal haze, clouding images sometimes giving a desired warmth called “Leica Glow”. Some desire it for using as a portrait lens or other such use as the effect is warranted.

Before I show you how I got my 1939 Leica Summar lens apart to clean the haze, I first cleaned some kind of dried gunk on the front element that resembled very bad cleaning marks.

I had seen it before on my former 1936 Summar and other people complaining about their’s calling it cleaning marks, so it must be a somewhat common thing. This time it was more crusty, uneven looking that led me to believe it wasn’t just the glass itself.

my former 1936 Summar with mystery crust around front element
my former 1936 Summar with mystery crust around front element

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Camera Repair, Vintage Cameras

Leica IIIf Beamsplitter Replace

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I’ve given my 1953 Leica IIIf “red dial” a CLA, or Clean Lube and Adjust and now I need to replace the half-mirror, or beamsplitter in the rangefinder. The beamsplitter gives the double image that moves back and forth as you focus the lens until the two images become one, then it is focused. On older cameras, the beamsplitter, which is a half-mirror, or partially silvered so it is transparent as well as reflective, looses some it’s reflectiveness and is hard to focus.

After getting the top off I was able to get to the rangefinder.

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remove the end cap by simply prying off. It is held on with lacquer

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Camera Repair, Vintage Cameras

1936 Leica IIIa CLA and Repair

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Giving my 1936 Leica IIIa a CLA. It basically works fine, the shutter fires on all speeds but the slow speeds are sluggish. The curtains have previously been changed, maybe even twice in it’s 78 year history and look good. Overall there is brassing on the top and bottom plates but from normal heavy usage telling me it was well loved. From what I can see, the inside looks clean-ish, no major rust or anything like that.

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overall ‘before’ shot

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dirty vulcanite

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filthy around hard-to-clean places

Above, showing the external condition, dirt and a reddish oxidation to the Vulcanite (red circle) and dirty internal glass.

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