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Message: <blockquote data-quote="henry link" data-source="post: 1864099" data-attributes="member: 6806">I don't think you all will be able to get color in your photos consistent enough for comparison. There are too many variations in camera white balance, light source temperature and sample variation in the binoculars. Even the two sides of the same binocular may not match. The left two photos below show reflections from two sides of the same Nikon 8x30 EII. THe bottom reflection is the second prism surface which is not even close to the same color in the right and left sides.I wouldn't worry too much about the exact color of internal reflections. Multi-coatings may be green, purple, orange/yellow, red/magenta and single layer coating may look blue, purple or amber (but never in my experience green or red). The brightness of reflections is a better guide so it helps to have some known references around for comparison. In the right photo below I removed the objectives from three binoculars to show the prism reflections only. The left is a multicoated Nikon 8x30 EII (purple, but very dim), the middle is a MgF coated Nikon 8x30 E (not that different in color but much brighter) and the right is an uncoated Leitz 8x30 Binuxit (clear and very bright).Ed,I mentioned the pattern of reflections in the eyepiece as a test for Brock's suggestion in this thread  that the eyepiece design had been changed for the worse between the MC and FMC versions. I think if you see bright purple reflections from the prisms in all your Audubons then none of them should have been labeled "Fully Mulicoated". In spite of the various colors, the reflections from your SE look fine to me for multi-coating, all about equally dim.Henry</blockquote>

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