Re: which binoculars ??
My Admiral gave me a pair of Steiners with the compass last year. They are a blessing. Quick and easy to see if you're dragging at anchor. Seeing marks a snap and if you pick up a point on your boat and land easy to see if you're being set. Quick and dirty way for judging intercept courses. Yes the compass is definitely worth every penny. Be careful about how much magnification you get. More magnification less light coming in the binocs. Less light coming in harder to use at night etc. Find no chromatic or other distortion with the Steiners so no trouble keeping my eyeglasses on when using them.