Compared side by side with a Steiner Nighthunter 8x56 (or 50 mm ?) binocular during the full moon hunts for boar in Poland in October 2011. Results: Swarowski with a smaller 42 mm lens=better light at night.
Pros: Best
Cons: Expensive
This review was written in the old system and had content requirements that are different than reviews written today.