Excellent Lens: PENTACON electric 2.8/100 M42 (Sample Photos Added)

【Additional Notes】

I tried attaching the M42 mount adapter to a Nikon D7200 and a FirstEOS Kiss and took some photos. I've added sample photos to the end of the product photos.

Frankly speaking, it's amazing.
I had no complaints about the perspective and bokeh at the open aperture, as well as the sharpness when stopped down a bit.

With the ancient EOS Kiss, it was difficult to see the viewfinder and the rear LCD was small, making it difficult to grasp the focus peak, but I think it won't be a problem if you attach it to a recent digital SLR.

I've also included a photo showing what it looks like when attached to a Pentax SPF.
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This is a famous lens, known to those in the know, with a wonderful bokeh, produced in East Germany during the Cold War.

I purchased it around 1996 at an antique camera shop in London, which I frequented when I lived in the UK.
At the time, I didn't know it was such a famous lens, but I remember being strongly recommended to buy it because "this condition is rare."
Since it's an M42 mount, it can be used with many cameras and has been very useful.

The focus ring and aperture operation are good. The side aperture button also works normally.
The exterior shows signs of aging, but there are no noticeable scratches.
I am not an expert, so I cannot give a strict evaluation, but there are no noticeable scratches or mold on the lens.
I took photos to show the condition of the lens as much as possible, so please refer to the product photos.
Comes with front and rear caps.

Manufacturer: Pentacon
Product Name: electric
Focal Length / Aperture / Construction: 100mm / F2.8 / 4 elements 5 blades
Mount: M42 mount
Serial Number: 6345405
Accessories: Front and rear caps