Trying to understand relative Sigma&Nikon 35 mm and 50 mm lens pricings

Started 9 months ago | Discussions thread
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jintoku
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Trying to understand relative Sigma&Nikon 35 mm and 50 mm lens pricings
9 months ago

Here's something I don't understand. I was under the assumption that, at given max aperture, it is simplest to build a full frame lens at ~50mm, and more difficult to build a lens at, say, 35mm or 85mm, with 85mm being a bit more expensive than 35mm because more glass is involved.

But the f1.8G 35 mm is more expensive than the 85mm (despite much less glass&weight) despite also not having nano coating. Why is this?

More puzzling is that rumors say the upcoming 50mm f1.4 Sigma ART will cost significantly more than their 35mm f1.4 ART. But for instance the Nikon 50mm f1.8 costs 1/3 of the 35mm and 85mm lenses with the same aperture (f1.8). So it would seem that Sigma artificially inflated the price of their 50mm offering by more than 500% (assuming price ends up being around $1,250 or so)? Alternatively, that the glass in the 35mm is of inferior quality to their 50mm, despite both being ART (shouldn't this indicate that they use similar top notch technology in both?).

 jintoku's gear list:jintoku's gear list
Panasonic Lumix DMC-LX7 Sony Cyber-shot DSC-RX100 III Nikon D600 Nikon AF Nikkor 18-35mm f/3.5-4.5D IF ED Nikon AF-S Nikkor 50mm f/1.8G +4 more
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