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Comment by froeschle posted on My lens is better than yours :-) at 04/06/2013 - 12:11
http://www.dpreview.com/forums/thread/1505837#forum-post-16923028
Comparison of fast (1.2) "normal" lenses:
https://www.pentaxuser.com/forum/topic/pentax-k-50-1-2-40478#comm452883
As for the "green button" and "exposure consistency": De-cripple the K-mount!
http://www.pentaxforums.com/forums/pentax-dslr-discussion/200075-pentax-ricoh-de...
Comment by froeschle posted on My lens is better than yours :-) at 04/06/2013 - 10:14
You start looking into ZK lenses?
Agreed! Not best subject to test on, and also for MF lenses, out of focus causes most "not sharp"...
A good method to achieve decent pictures in practice is to
- assure best focus in viewfinder,
- slightly move your upper part of the body back and forth,
- simultaneously and permanently fire away.
At least one of the shots should be acceptable.
Having had the K and A 50/1.2 as well as the Revuenon (Cosina) 55/1.2, I do not think that the latter is really comparable.
The Leica Macro-Elmarit has a mount fitted but I am not sure if it is Leitax brand. I bought it that way.
Unfortunately -- slaps self about head -- I forgot it in a drawer so we didn't test with it!
So, if you intend to sell the Leica, I propably would be intrigued.
Regards,
froeschle
Comment by froeschle posted on My lens is better than yours :-) at 03/06/2013 - 21:06
Carl Zeiss Makro-Planar 50mm F2 T*
Leica Macro-Elmarit-R 60mm
http://leitax.com/conversion/leica/elmarit-60-macro/index.html
Comment by froeschle posted on My lens is better than yours :-) at 03/06/2013 - 16:55
Comment by froeschle posted on [FS] Tamron 300/2.8 AF at 01/06/2013 - 22:49
Comment by froeschle posted on [FS] Tamron 28-105/2.8 MF at 01/06/2013 - 22:45
Would you be interested in trade + money offers? I don't know if you are looking for anything?
It depends on what you have to offer.
Please contact me via PM.
Regards,
froeschle
Comment by froeschle posted on [FS] Tamron 300/2.8 AF at 25/05/2013 - 18:50
Comment by froeschle posted on [FS] Tamron 300/2.8 AF at 24/05/2013 - 22:18
Comment by froeschle posted on [FS] Tamron 28-105/2.8 MF at 24/05/2013 - 22:15
Comment by froeschle posted on FS: Pentax A 2X-L Teleconverter at 24/05/2013 - 21:28


Such 50/1.4 or 50/1.7 lenses sold below 20€ before that.
The similar Cosina/Yashica/Revuenon/... 1.2 lenses were not above 100€ on the used market.
E.g. the Revuenon 55/1.2 was sold new together with the Revue Solar 100.
http://www.flickr.com/photos/alf_sigaro/2349069901/lightbox/
Revue was a brand name of German catalog company Quelle.
They mostly sold inexpensive or even cheapish articles under that properietary name.
High prices are not really justified, at least the lenses should be a lot less expensive than the corresponding K versions.