I have just retired from 50 years in law enforcement where I was involved in investigations and then adminstrative. I purchased a Nikon D5600 camera and an assortment of lens including 55mm, Nikor 18-300mm and Sigma 150-600mm. Will be heading to West Glacier National Park on August 29, 2019 in my RV for 3 weeks. Staying in Browning at Johnson's RV Park. Hope to learn alot from the forum.