HorusBennu 50mm F1.7

Here is the same lens with Phenix brand:

http://www.pentaxforums.com/forums/...-chinalim-horusbennu-50mm-f1-7-pentax-pk.html

another one:

http://www.photomalaysia.com/forums/showthread.php?t=112202

More:

Looks like the same lens from Phenix

http://www.flickr.com/photos/lovewangmin/

and more from a Chinese site:

http://www.four-thirds.cn/forum/thread-145475-1-1.html

Hope those will help.

 

6 elements in 5 groups: that is the same as my 1970s Summicron. It is a highly under-rated lens. The Tessar formula is 4 elements in 3 groups. The traditional Planar formula lens is 6 elements in 4 groups.

 

Cheap and nasty ???

Samyang is an example of what a lens manufacturer can produce and wholesale through budget outlets such as ebay stores etc.....

Their 85mm F1.4 in 35 mm DSLR /film format is a good example, by all accounts an excellent lens..

I think when the masses ask for something these people will respond.

sammyyang? Not sure about the brand name but Jimmy Choo works for me  

Guy..

 

I believed it is made in China and the local price there should be like US$25-30.
The Phenix brand also have some other manual focus lenses for PK mount. As I read from the internet , Phenix also provided glasses for some other oversea name brand too.

 

I think it was a rebranded Phenix, if you remember another Chinese camera brand - " Seagull". Both Phenix and Seagull in China still making cameras and lenses, basically both were optical factories back to the 70s. Phenix doesn't has the technology to made autofocus lenses yet, they only make/made manual lenses. I used to own a Seagull slr back to the day when I still lived in Hong Kong ( 25 years ago ). From the pictures and the shape of the lens on ebay, is identical to the one I saw on the Chinese website.

 

I may grab this for my new NX100. Pentax/Samsung mount!