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Message: <blockquote data-quote="Vespobuteo" data-source="post: 3590636" data-attributes="member: 120830">Both 8x32-versions of Conquest and Trinovid HD have acceptable eye relief for me with glasses. I normally need nothing less than 16mm. To me the ER seems quite similar between the two, and at least above 16mm.Usually the 10x versions tend to be more problematic for me. It might depend on the bigger AFOV you get with those models. The Trinovid HD 10x32 felt a bit worse for me than the Conquest HD 10x32 is my impression. To me it seems logical that 10x models might have a bit shorter ER, but (some) manufacturers doesn't bother to  tell us this?With the Noctivid 8x42 and its stated 19mm eye relief, I need to turn the eyecups up to the first click stop, to avoid getting blackouts. To me these have a longer effective ER than Swaro SV, that is stated to 20mm (eye cups are deeper on the Swaro).The ER of the Ultravid 8x42 HD+ is stated to 15.5mm but works perfectly well for me. So figures are not everything.(Eye cups are pretty shallow on the UV).But people (and spectacles) are so different that you really need to try this for yourself.</blockquote>