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I am a 67 year old male amateur birder who took up the hobby during the pandemic. Previously, I had a pair of Nikon Aculons, which were way too powerful, low light, shaky etc. I started to search for a new set bouncing back and forth between reviews and comparisons of the Zeiss Terra’s that I bought, and the Zeiss Concquest. The price difference is $500 higher with the Conquest. Both were in the 10x42 range as I had decided that to be the power that I worked best with. I also looked at the Vortex, Steiner, and Nikons in the same power range and price. The quality of vision between the Terra’s that I bought and the Conquest was just not worth the extra $500. Maybe to a younger person the difference might be important, but the Terra’s that I bought are really excellent for my use, my age, my expected longevity before some serious eye correction (cataracts) that I could not pass them up. And when they actually came - 2 days ahead of schedule- I was extremely pleased, more than pleased with my decision. Great glasses for a multitude of uses- I could even see hunting at long ranges without a stabilizer or tripod. Don’t pass these up.