The Pentacon is made in East Germany, the Carl Zeiss Jena is manufactured in West Germany. Both utilised the same glass formula and both are part of the famed Bokeh Monsters. The ultimate monster would be the 15-blade Pentacon 135mm f2.8, however acceptable good specimen of the 15 blade specimen are really hard to come by ... though I will continue trolling ebay for a copy.
This particular unit came from the UK, glass and lens barrel are in clean condition without scratches, fungus, separation or any noticeable defect. Focus and aperture rings are smooth though not as butter smooth as the Takumars though they are almost from the same era.
The following are are quick test images made in the garden under cloudy sky, managed to push through a short clip as well included below. I'm still waiting for a a break in the weather to rush over to the woods to capture some fall colors before full cold blast of winter arrives.
This particular unit came from the UK, glass and lens barrel are in clean condition without scratches, fungus, separation or any noticeable defect. Focus and aperture rings are smooth though not as butter smooth as the Takumars though they are almost from the same era.
The following are are quick test images made in the garden under cloudy sky, managed to push through a short clip as well included below. I'm still waiting for a a break in the weather to rush over to the woods to capture some fall colors before full cold blast of winter arrives.
@f2.8
Crop of the above
Pentacon 135mm f2.8, shot in the garden at wide open at f2.8
With the expected arrival of the Jupiter 37A 135mm f3.5, Carl Zeis Jena MC 135mm f3.5, Olympus Zuiko OM 135mm f3.5, the Takumar 135mm f2.5 M42 (6 group, 6 elements) either this week or by early next week, my 135mm Bokeh Monsters Collection should be almost complete.
The following are still missing from the collection : Minolta MD 135mm f2.8, Pentacon 135mm f2.8 (15 blades). I'm not sure if I have the energy to continue trolling ebay ...
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