Good afternoon to all :
The captain of the sailboat ( 43 Serendipity ) of which I am part of the crew has asked me to inquire about a sailscope , for my internet research i understand its a plastic device developed by North Sails in order to help sail trimming and finding draft position ( i may be wrong ) the captain from what he recollects has indicated me that its a single side
binocular ? can somebody guide me through this and in any case give us an idea where we can buy one ? or what its used instead of the device ?
Thank you in advance ( my excuses if this is note the right forum to place this questions )
George .