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Message: <blockquote data-quote="FrankD" data-source="post: 1579119" data-attributes="member: 18544">308,I think you could probably argue that point either way. I remember reading a similar comment from you in reference to the importance of CA-reducing glass and hunting. For the most part I think you are correct. Having a dark object on a dark background (relative of course) does not really lend itself to CA inducing situations.However, I am not convinced that the benefits of ED/FL binoculars is restricted to just obvious CA objects/situations. I have spent a great deal of time just looking back and forth between high quality non-ED bins and their equally high quality FL/ED counterparts. While observing some of the usual "little brown jobs" in the backyard I noticed something interesting. The ED/FL glass binoculars typically produce better contrast and seem to be able to give me the perception of resolving finer details. The latter would make sense if you think about it. CA "muddies" the image by not bringing all of the colors to the same point of focus. If you are able to bring all the colors to the same point of focus then the image should be sharper as "everything is going where you want it to." The image should be sharper, more contrasty and, arguably, brighter.With those thoughts in mind I would expect it to be just as beneficial to a hunter looking for game or a birder trying to differentiate between two species of similar warblers. We want the objects to be as sharp as possible. We want them to jump out at us, so to speak. In my experience ED/FL glass allows for that. I think you could apply a similar analogy to phase coated vs. non-phase coated roof prism binoculars. You can see a satisfying image through a non-phase coated glass but the phase coated one is so much sharper, brighter and more contrasty. It makes it easier and more comfortable to use...assuming all else is equal.</blockquote>

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