I spent about 10 days closely comparing three 8x32s: NL, SF, and UVHD+.
Image sharpness was so close among the three that I was perfectly content with any of the three.
However, the color quality, contrast, and color saturation was a major differentiator for me. Color quality is something that is very important to me. The Leica was easily my absolute favorite for color quality - simply sublime. Next favorite for color quality were the NLs, which were just "ok". SF came in last among the three for color quality, not all that impressive for rendering a beautiful color quality. (I'm not especially interested in absolute color "neutrality" with binoculars - I prefer to be presented with a look that is close to natural, but "rich". The Leica give a look somewhat similar to a very feint rose tone, which I find quite beautiful.)
All three are excellent binoculars (of course). Ultimately, I kept the UVHD+ and the SF, but I returned the NL.
What I didn't like about the NLs were the pinched waist barrel design, the armor was not very "grippy" in my hands, and the focus wheel was a little coarse and uneven and felt of lower quality, as compared to the Zeiss and the Leica.
The Zeiss and Leica armor textures made them feel very secure in the hands - and the feel of the focus wheels was superb in the Zeiss and very close to superb with the Leica. The Leica focus wheel felt perfectly smooth and even, but it simply took very slightly more finger pressure to turn than the Zeiss focus wheel. I'd call the Zeiss focus wheel a "10" and the Leica focus wheel a "9.7". The NL focus wheel was about a "6" in my opinion. Feel of the focus wheel is a very important thing to me, as that is THE primary user-interface one has when using a binocular.
I much preferred the traditional barrel shapes and armor (Leica and Zeiss), which felt very secure in my hands.
As for comparing the 8x32 SF and 8x32 UVHD+... the UVHD+ are my overall favorite, by far. They are just such a sweet spot of size, weight, build quality, balance, and that "view". But the SFs are excellent, as well.
Of course, we each have our particular personal preferences. There are no bad choices if you select which binoculars satisfy you the most when you look through them, and feel the best to hold in your hands and operate the focus wheel.
(I also have a pair of Conquest HD 8x32's, which I've enjoyed for many years, and must say that they hold a spot very close to the SF and the UVHD+, especially considering their price! Conquest HD 8x32s are awesome binoculars, in every respect.)