YASHICA DSB 135mm f2.8 Contax/Yashica C/Y Mount 135/2,8 Compact Petit 135/2.8

Just 7cm long from Adapter /Camera for 135mm Very very compact!

Smooth Focus as it should
Aperture clicks as it should
No oily blades
No Lens &rear lens caps

accepts 55mm filter which can be screwed with ease though A Dent on outer filter ring
some nano dust inside but does not effect picture
there is a spot on glass it is NOT fungus as you can see in pic 2
i am guess some previous owner must have opended this lens and left a finger mark However does not effect picture
as you can see in pic 5

With Contax C/Y adapter to your mirror less digital system works flawless