this post was submitted on 29 Nov 2023
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Photography
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The Leica has 8 elements vs the Nikons 17 (!). Plus Nikon has an AF that moves two groups of elements.
I’m not a lens engineer but I think the modern “big three” primes are just totally over-engineered for crazy edge-to-edge sharpness with very low chromatic aberration, which means LOTS of lens elements. Throw in a silent AF motor and potentially image stabilization too, and you have a Quaker Oatmeal can sized lens.
Carlinwasright has your answer!
Another example: The Nikon F 50mm /1.4 AF-D has 7 lenses in 6 groups. Thats 10 lenses less than the Nikon Z. BUT: Even in old times the step from 1.4 to 1.2 was relativily huge, the 1.4 weighs around 260g, the 1.2 around 380g...thats nearly a 50% increase
The modern prime lenses for digital have - in the lab! - much better optical qualities than the old primes like Leica or Zeiss that are around for literly decades. If anybody can see this differences in real life is a complete different discussion.
Yeah, even the Nikon 50mm 1.4D vs the 50mm 1.4G the difference in image quality is night and day. The D is also tiny compared to the G. Unfortunately, it's a somewhat immutable fact of physics that good quality optics are big and heavy.