HOOWAYWaterproof 7x50 Marine Binoculars, Binoculars with w/Internal Rangefinder & Compass for Navigation,Boating(Black)

I am a professional sailor. I would not describe these as marine binoculars. The optics are good. The compass is next to useless. It was giving widely varying results when taking a series of bearings of a fixed point. None of the bearings taken were within acceptable range of control bearings taken with a hand bearing compass.The compass light is too bright. At night it obscures the reading of the compass.These are unsuitable for regular marine use. I have returned mine.

Very good for non stabilizing work well in a marine environment day and night.

very good

I would buy again

Good for the price but as others have reported no way are they "Fog Proof". They eye pieces steam up quickly at first so you have to leave a gap to allow some ventilation. I hope this is not a problem out at sea.The batteries were the wrong size and did not make touch with the contacts. Pushing them to one side made contact but the switch was faulty and the light flickered so had to return the first pair.No comment on the range finder as not a requirement for me.ProsReally good daytime vision ideal for sailing.Good at night too.ConsThe Compass is not easy to see unless eyes positioned slightly low.Quickly fog upBit heavy