Orion StarSeeker III 102mm GoTo Mak-Cass Telescope Kit Complete GoTo telescope kit includes an expanded accessory pack with everything you need to start stargazing With a long 1300mm focal length and substantial f/12.7 focal ratio, this 102mm (4") aperture StarSeeker III GoTo Mak-Cass excels at high-power views of the Moon and planets Huge GoTo database of over 42,000 objects for a great view on any clear night Includes 25mm and 10mm 1.25" eyepieces, 90-degree diagonal, EZ Finder II reflex sight, and more Also includes a 2x Shorty Barlow, MoonMap 260, Discover the Stars guidebook, Star Target Planisphere, and RedBeam Mini LED keychain flashlight