+venture's RX-9 Telescope is the top of the line of performing optics. It features the largest 4.5" optical mirror for collecting light to give you a bright and sharp viewing experience. The longer focal length of the RX-9 provides the magnification that some astronomers prefer. Plus, the heavy-duty EQ mount provides the stable and smooth operations that serious astronomers demand. The standard features and accessories included with the RX-9 will provide you with years of enjoyment and exploration without the need to upgrade.