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• Q: Will the Nikon Action 10X50 binoculars (purpose for looking at stars) work well with Glasses?
  http://www.amazon.com/exec/obidos/tg/detail/-/B0001A3N58/ref=ord_cart_shr?%5Fencoding=UTF8&m=ATVPDKIKX0DER&v=glance I wear glasses 100% of the time, and I want to make sure these will work with my glasses. Thanks in advance!

  A:Eye relief (industry term that should be listed on sites you research) is what you are looking for. Eye relief is the optimal distance to hold the binocs away from your eye. Too far and you won't get the entire image - it will look 'tunnel visiony'. To close and you will get these crescent shaped blind spots on the edges of the view. What you want is a binoc that has enough eye relief so your glasses will fit in between your eye and the eyepiece and still be at the optimal distance. Secondly, if you are either near or far sided only, you don't really need your glasses - the focuser will act like your glasses and any differences in the prescriptions for each eye can be handled with the diopter (this is a secondary fine focus to adjust for the differences in each eye. However, if you have a stigmatism, you will have to wear your glasses - the optics won't correct for that. Lastly, the 10x50 Nikon Action has an eye relief of 11.8 mm. That's not alot of room as usually glasses wearers need 15 or so mm on average - if you do indeed need your glasses, you will most likely need more room than that. However, as another poster mentioned, its really about your glasses specifically. Depending on design and glass thickness who knows - best to try them out if you can before you buy rather than go site unseen. Baring that, look for a good return/exchange policy or try at a local place then buy wherever you like.