You've found our Advanced products. These items all tie together as a unique subsection of Celestron, and have common features and a dependable performance level. Look through the Celestron Advanced items we have below. If you have any issues contact us. Our product experts can help you work out if Advanced products are ideal for you, or if another Celestron line could be a better fit. If you're wondering about how well these Advanced items perform, check out our Celestron Reviews. They're written by customers just like you and give useful insights. And remember that a majority of purchases over $49 get free shipping! Rest assured, when you shop at OpticsPlanet.com, your experience will be nothing short of excellent.