Pentacon f3.5 30mm, závit M42, 10 lamiel

I am selling a German lens Pentacon f3.5 30mm, thread M42, 10 lamella aperture. In excellent condition, no scratches on the glass. Aperture and focus are easy.
Including both covers.

Production number: 9766342

The price is fixed + €4 shipping (cash on delivery by post).

If you are interested, I also offer a reduction (adapter) for the lens to:
- Canon EF/EF-S Mount
- Canon EOS R, price €20
- Nikon F-mount AI
- Sony NEX E-Mount, price €7, fits NEX-5 NEX3 Nex-C3 Nex-5N Nex-7 NEX-6 NEX-5r NEX-VG10...
- Fujifilm (M42-FX), price €9, fits Fujifilm x X-Pro1 FX XPro1 S2 Pro, S3 Pro, S5 Pro... Does not fit Fujifilm X-T4!
- Samsung NX (M42-NX), price €8, fits Samsung NX (NX-5, NX-10, NX-11, NX-20, NX-100, NX-200, NX-210, NX-300, NX-1000, NX-1100, NX-2000, NX...)
- Nikon 1 N1 Mount, price €9, fits on j1 j2 j3 v1 v2 v3 ...
- M4/3 (Micro 4/3), price €10

I have two types of reductions for Nikon F-mount AI:
- without glass €4
- with glass allowing for infinity focus €8 - I only sell this together with the lens !!!
Both fit D70s D90 D3100 D100 D7000 D300 D700 D4...

I have two types to choose from on the Canon EF/EF-S Mount:
- reduction without electronics - confirm chip worth €5
- reduction with electronics - confirm chip worth €10. The AF 3.0 chip confirms correct manual focus. It sharpens to infinity. AV mode support. Exif metadata is fixed at 50mm f1.4 or 2.0.
Both reductions sit on Canon EOS 5D 7D 7D Mark II 20D 30d 40d 50d 60d 77D 80D 100D/Rebel SL1 200D/Rebel SL2 300D/Digital Rebel 350d/Digital Rebel XT 400D/Digital Rebel XTI 450d/Rebel XSI 500D/ Rebel T2i 600D/Rebel T3i 650D/Rebel T4i 760D/Rebel T6s 800D/Rebel T7i 1000D/Rebel XS 1100D/Rebel T3 1200D/Rebel T5 1300D/Rebel T6), further Canon EOS R, RP, R5, R6 ...

Canon chip reduction DOES NOT WORK on: 6D, 6D Mark II, 70D, 5D Mark III, 5D Mark II, 650D, 750D, 700D (Rebel T5i)