“There’s an app for that,” even for browsing and shopping for photography gear. Who ever thought that retail stores would begin to use the Apple platform for advertising and selling their goods? The progressive thinkers at B&H Photo have created an app to do just that. It is a fair assumption that if you are serious about taking photos, you have already visited the B&H Photo and Adorama Camera websites. Both are located in Manhattan and both offer just about every product available from every manufacturer of photo gear. B&H Photo’s retail outlet in Manhattan is often referred to as…