Tony wanted to buy a pair of binoculars, but not just any brand. He wanted to buy a pair of Steiner Nighthunters, just like the pair he had learned about in his newest copy of Peter's Hunt Magazine. He had to visit five different sporting goods stores before he found this brand. For Tony, the Steiner Nighthunter is an example of a/an .

specialty product

Explanation:

specialty products are products that certain consumers will actively seek to purchase because of either their unique characteristics or sheer loyalty to a specific brand. Consumers or customers who seek specialty products know what they want and will spend the time, energy and effort to get that exact thing they want. This was exactly what Tony did. He even went to up to five shops just to seek out and purchase that particular type of binoculars.

answer; obey the closest relative's wishes;

answer; use multiple stimuli;