update
after looking and comparing at the 8x42's the last 2 days I have some observations:
*)The ultravid had a better image to the edges, the zeiss has something going on around the edges.
1) I much prefer the Leica eyecups, they fit my eyes better, "fit like a glove" comes to mind. The zeiss has larger cups that dont fit as "snug" for me...
2) The lower ring or halo effect I sometimes see in the zeiss annoys me to no end. As a hunter, I need lowlight performance, I am not looking at song birds at noon.. The zeiss is brighter slighlty but this annoying trait surpasses the brightness influence
3) The Leica is much more compact and feels "better" built. Maybe its because it is magnesium and the zeiss is some tupe of fancy fiber reinforced plastic? In reality, they are both very well built, but the Leica has the feel!
4)The Zeiss has a better case. The Leica has better occular covers, they fit snug and are flexible. Both binocs have useful objective covers.
5) The zeiss close focuses noticeable closer and sharper, but I dont need that.
6) both handled flare really well when tested at night with street lights and front porch lights. The zeiss may have been better but it wasnt across the board and neither produced an image that wasnt usuable
7) When comparing each binocular in each eye, the leica looked like it had a browner picture and the zeiss looked bluer. It reminded me of when you turn the brightness up on a TV and it sort of washed out the colors. I wouldnt say the colors were "washed out" though but were less "vivid" to me evber so slightly than the leica
8)The Leica offers a better warranty to the original purchaser but thats where it ends, the zeiss has a transferrable one, the leica doesn't
In the end, the Leica costs more and the eyes tell the story. Mine told me Leica, despite wanting to spend less for the zeiss. I totally was planning on ending up with the Zeiss when I decided to look at these 2, I was just planning on using the ultravid as brand to comare it with but it has the "look" and "feel" that fits "me"...BEST