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  1. tenex

    2009 EL 8.5x42 eyecups

    I would encourage you to ask Swarovski for advice on that choice, which might also lead to being offered eyecups gratis, who knows. Whichever you use, they should still retract fully for use with eyeglasses, at least that's so when not mixing SLC with EL.
  2. tenex

    2009 EL 8.5x42 eyecups

    Speaking only of SLCs (in the recent HD versions), the eye relief on 56s is successively longer going from 15 to 10 to 8x (16, 19.5, 23mm stated), and the eyecups are also deeper by ~2-3mm each time, which may not correspond exactly but can be useful. Similarly for SLC 42, from 10 to 8x ER goes...
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