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Message: <blockquote data-quote="Vespobuteo" data-source="post: 3275611" data-attributes="member: 120830">HT:s and FL:s have higher transmission in the green/yellow spectrum,thats why they can look a bit washed out in bright daylight,(just point your binos to a blue sky, and you will notice that it looks a bit paler than without bins)they are optimized for maximum contrast in dimmer/low light and on great distances,filtering that blue haze away, thats why zeiss binoculars are so excellent in long distance viewingunder difficult conditions...this is a FEATURE not a flaw....only looking at USAF test charts at 30 feet you won't see these kinds of zeiss super powers."Haze is caused by dust particles in the air. These particles reflect shorter wavelengths more than the longer ones. Thus, UV is affected the most, followed by blue, followed by green and red, and the recorded images will be not very sharp and look hazy. Haze filters are designed to reduce haze and are yellowish to counter the excessive blue. For example,"<a href="http://www.cs.mtu.edu/~shene/DigiCam/User-Guide/filter/filter-UV.html" target="_blank">http://www.cs.mtu.edu/~shene/DigiCam/User-Guide/filter/filter-UV.html</a></blockquote>