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p.1 #14 · Optics: What does Leica do better these days? | |
Sticking to the OP's title ... i.e. Optics ... I think the thing that Leica does better these days is the exact same thing Leica has been doing for a very long time.
To me, there are two things that call to me about their optics.
1) Whenever I compare a given Leica optic to an alternative lens, it seems like the same focal length / aperture combination in the alternatives are either A) physically larger or B) vignette more or C) have more distortion, CA, or 
The point being the "combination" of attributes in how Leica approaches their "pick your poisons", to achieve the level of optic in the package they bring to the table, it seems like they still bring a Bang / Size ratio that others don't.
Which, btw with the larger SL series lenses, they are basically achieving medium format IQ in a "large FF", so, again there seems to be an economy of quality for given size, sweet spot in how they pull off what they do.
2). The transitions between zones seem to retain the same consistency throughout their glass. I know that there was a time I was "all about" Zeiss lenses for their "3D-ish" pop. And Leica seems to have a "slightly smoother" approach to that transition, so it presents depth, but not as "cutout".
That's not to say that either are "better" than what others might prefer. But, those are the two things that I think Leica does in their optics that are the standout aspect of Leica optics.
Color consistency and quality of transmission (i.e. deep crop pixels) hold up really well, too. The first time I realized that I could crop 300% with my little 28/2.8 Elmarit, whereas I was only looking at 100% - 200% deep crops on my Canon glass ... okay, something is different here. I can't explain it, but I figure it is somehow in the formulation of their glass that provides for superb transmission.
Now, that said ... yup, CV and Sigma have raised the bar in their game. But, when we go back to the size game, we see that all is not ceteris paribus. For some, that won't make a hill of beans to them. But, when it comes to the question of what Leica does better these days ... the IQ they get out of their chosen size ... I don't see anyone bringing something BOTH smaller and better to the market to trump the bang / size ratio that Leica brings.
IQ
Size
$$$
Pick two. Leica costs more, but I think they have the IQ / Size thing down in a way that is better than most. Others will dissent.
Oh, and they often bring that level of IQ, leading to market first, and then the others try to play catch up (might be years later) or devise a variant response. . So, yeah, others are close in a lot of regard, but depending on how you look at things ... that's where I see Leica being Leica in a Leica kind of way, at what they do best.
YMMV
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