mfogiel
Veteran
I think the solution is simple. Sell the 35/2 Leica and get the 35/1.2 Nokton plus the 35/2.8 C Biogon. You will end up with the best synthetic 35mm lens ever made... The Nokton is really great for low light, and the C Biogon is compact and without peers optically.
pkreyenhop
Established
I'd get the relatively cheap 35/1.4 Nokton for low light and keep the Cron unless you hate busy bokeh or f1.4 is your signature aperture. In that case I's take the Lux.
akiralx
Established
I think the solution is simple. Sell the 35/2 Leica and get the 35/1.2 Nokton plus the 35/2.8 C Biogon. You will end up with the best synthetic 35mm lens ever made... The Nokton is really great for low light, and the C Biogon is compact and without peers optically.
Yes, those are the two 35mm lenses I've got, and think they pair really well, though I also have just got a used example of the newer CV 35 f/2.5 to play around with.
The CV 35 f/1.2 is on my M8 a lot of the time, in all lighting conditions, and I don't really think about the size any more. I put it on my Zeiss ikon for low light the other evening though. It does handle really well with a nicely weighted focus ring (no tab). Wideopen it does give pleasing results.


Johann Espiritu
Lawyer / Ninja
I have both the 1.2 and the 'Cron ASPH. If you plan to keep the 'Cron, get the 1.2 as a great complimentary lens for low(er) light use, or just to have a shallower DoF. They go great together because they cancel out each other's weaknesses, i.e. size, speed, contrast, and of course, one has a red dot on it...
35mmdelux
Veni, vidi, vici
It would be a sidesways move not upgrade.
The weight is steal factor with faster lenses.
I suggest you add a 1.4/40 for $300.
It's tiny and fits in a pocket.
The 1.2/35 has been on my wishlist for sometime but, I know it would be on the camera more for character than speed.
It's hard for me to see the benifit of the lux asph considering the cost and only one seldom needed stop.
Try the cv40 it's risk free as you can quickly sell it if you no likey for what you paid for it.
Andy's got it dialed... Ive been shooting with the 35 LUX ASPH for three years and while I think its the best, the larger size started getting to me as an everyday everyplace lens. Im not a working pro. I would keep the 35 Cron ASPH and add the 40/1.4 - as its tiny and cheap - throw it in your pocket until its needed.
I went with the very compact 35 Summilux pre-asph with all its character, flare proness, whatnot. I hated to let the quality go but I have my priorities.
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