I’ve never been a fan of 50mm. It just never clicked with me. The Nikon 58mm f/1.4G was probably the best of the bunch for me. With 65mm, though, I feel like I’m exactly where I need to be.
At the same time, I’ve never really fallen in love with 85mm either. Never quite understood the appeal. I’ve always preferred 105mm for portraits and the extra compression.
For environmental portraits, I find 24mm and 28mm much more interesting than 35mm, which somehow feels neither wide enough nor long enough to me.
My Sony kit right now is the 24GM and the 65mm f/2. And if Sony ever releases a 105GM, I’ll be buying it on day one.
Regarding 40mm… I totally get the hype. But a lot of it comes down to the execution. Nikon’s 40mm f/2 is just so-so in terms of image quality, while Sony’s 40mm f/2.5 is an absolute joy to use in so many ways.
So it’s not just about the focal length. It’s the whole package. handling, size and weight, image quality, and just how the lens feels in use.