youngjohn

Lives in United States United States
Joined on Jul 25, 2009

youngjohn's recent activity

  • If a positive dioptre setting increases the likelyhood of evf  'burn out', does a negative setting decrease the possibility? Due to a temporary eye issue I have to set the control at about -5 even ...
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Total messages 53
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Last post 11 months ago
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Last post Aug 11, 2016
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