optical coatings

Binoculars for Low-Light Bird Watching: What to Look For When You Bird at Dawn and Dusk

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Binoculars For Low Light Bird Watching

The dawn chorus is the most active time for birding, but it happens exactly when the available light is at its absolute worst. If you are struggling to identify birds in the early morning shadows, the problem is usually the exit pupil and glass coatings of your current optics, not the magnification. Here is exactly … Read more

The Lens Cleaning Mistake That Turns a $400 Binocular Into a Paperweight

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Binoculars Lens Cleaning Mistake

Wiping your lenses with the wrong material is the fastest way to permanently ruin good optics. I have seen countless customers unknowingly degrade expensive glass just by using their shirt tail or a handy paper towel. Once the microscopic anti-reflective coatings are scratched away, the damage cannot be reversed. Here is what that mistake looks … Read more