Well, I'm on teh market for a good 35mm lens to fit my M6.
Got over endless 'Cron ASPH vs. Biogon discussions, tests, reviews, still cannot make up my mind for 100%.
For my steet work I used to lug two cameras on me (M6 and M3) each with its lens (currently 50mm on M6, 90mm on M3). Now, once will get 35mm, it naturally will be slapped on M6 while 50mm will migrate to M3. That approach taught me to appreciate small size and weight.
I was almost set for Biogon, unless realized it may probably be noticeably larger then 'Cron ASPH, however, latest X'ray's thread may prove that the size difference isn't that great deal. Having said that, I always use my lenses with their respective hoods, so more relevant comparison for me would be Biogon with its hood attached.
What also may sway me towards 'Cron is its 39mm filter size which is the match for my 50mm 'Cron.
Lots have been discussed in their optical comparison, opinions vary, but I tend to leave that aside believing that their performance is close to each other (sharpness over the field, contrast, color...), however what is still not clear for me is their OOF rendition.
I figured some amateur comparison in that respect of v4 35mm 'Cron vs. it ASPH "brother":
http://www.jimarnold.org/galleries/leica_35_test/
and there it is clear that at the same apertures, the ASPH renders much shallower DOF which looks flattering in many situations and looks good to me. However, I didn't see that kind of comparison to Biogon.
Also, it seems ASPH is more contrasty one then the v4 version (not sure this is positive side for me, I'd purhaps prefer slightly lower contrast). Whatabout Biogon in this respect ?
Another aspect is 'Lux ASPH. Obviously, this one is larger then 'Cron, probaly he size of my 50mm 'Cron, but then gains one full stop...
Besides it seems to be priced (used) just about 20-25% higher then used 'Crons ASPH, that is temping....
If I'll make up my mind for 'Cron ASPH (or 'Lux ?) I'll post WTB ad in the forum.
Thanks for listening to my rant, will appreciate your comments..
Alex
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