Leitz Wetzlar M Elmar 90/4

I saw some samples of this lens in L39 mount. I thought it only made in L39. When I bid on ebay I thought it has L39 screw. Until it arrived, Wow it Leica M.
It little bit longer than My friend's Leitz GmBh Elmar 90/4 L39. front ring wider too.

Aus Jena FLektogon 35/2,4 MC

Bought it from Germany and it was sent 2 and half months ago via DHL. It just arrived 3 days ago. The seller said DHL use mule to deliver. Well, now it's in my hand. I like it.

bokeh

 Sharp wide open.

Yashica MC Zoom 28-80/3,9-4,9

/Yash

This is my old lens. I bought it attached in Yashica 108 MP film camera in 1997. Not decent lens in film camera.
I tried it in NEX5, here it is...

CZ Flektogon 20/2,8 MC on NEX5

FD 55/1,2 SSC on NEX

CZ Sonnar T* 135/2,8 C/Y

An upgrade for CZ Jena 135/3,5 is made in Japan Sonnar 135/2,8 T*.
This one is sharp in wide open, but shows more CA.

Good color. high contrast.

All shots wide open

cropped from picture below

Jena 50/2,8 M42

I got this lens in a nice condition, there's pain loss, but that's OK.

It looks similar with CZ Jena Tessar 50/2,8.It has leathered finish, which is make different to Tessar

Sources told me that Jena or Aus Jena was East Germany Version of Carl Zeiss. This brand was used only for exported items, which is known has better quality control.
I had CZ Jena Tessar before. It's not as sharp as this lens.Surprise me.
This lens is sharp, even wide open. no joke!