Carl Zeiss Jena Tessar 50mm f/2.8 12-blade Exakta

Carl Zeiss Jena Tessar 50mm f/2.8 lens, Exakta mount (for convenience, listed as Nikon F-mount, but it is NOT F-mount).

This is a good lens, but it has noticeable foreign matter, so the price has been reduced. Sold as-is, no returns.

- Model Name: Carl Zeiss Jena 50mm f/2.8
- Distance Scale: Feet
- Mount Type: Exakta mount
- Material: Metal
- Aperture Blades: 12 blades

According to the serial number table, it's from around 1937.

[Good Condition, Serviced] Carl Zeiss Jena Tessar f2.8 50mm Exakta Mount

Description
Overall Condition: Good
Serial Number: 2044435

Appearance:
Please check the images for the lens's exterior, as there is some corrosion on the outer dial.
The lens has been cleaned and is clear with no dust or fungus. However, unfortunately, there is a piece of black foreign matter inside.
There are scratches from normal use. The focus ring is firm and a bit heavy.
There is a feeling of use.
*Please check the photos.

Optics:
- Lens:
No haze.
No fungus.
No scratches.
No major dust.
The lens has been cleaned and is clear with no dust or fungus.
However, it is an old lens, so there are some bubbles and small dust particles. There is some minor chipping, but it does not affect the image quality.

Included Items:
Front lens cap, rear lens cap.
No claims, no returns.
Thank you for looking.

Focal Length...19-70mm
Maximum Aperture...f/2.1-2.8
Other Features...Old lens