For all US based workshops which last more than one day there is a ratio of no more than 5 photography participants to 1 instructor. For overseas photo tours the ratio is no more than 7 photography participants to each photography instructor/tour leader. A photographer for group size is considered someone using a DSLR system in any case when adding in non photographer spouses and companions the maximum size of overseas tours is 10 participants. These ratios are smaller than almost all other photo tour companies and shows Trogon Photo Tours commitment to leading high quality tours. After all the less participants per instructor the more personal attention you will get and the better chance for growth as a photographer.