This will be my next goal but will start with the "one eye patch" first. It's hard for me to envision myself shooting with both eyes open but I like the explaination on the youtube. 
I now understand how much lighting, vision you loose and the fatigue you get with one eye closed. Thanks to all who gave me a good advice which is way better than looking like a pirate.

I now understand how much lighting, vision you loose and the fatigue you get with one eye closed. Thanks to all who gave me a good advice which is way better than looking like a pirate.

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