Trikojis Sirui A-1005 + Y-10

? Built-in bubble level helps make horizontal adjustments easy The center column can be inverted for unusual low angle shots For speed and convenience, each leg has an automatic leg angle lock mechanism 2 position leg angle for uneven terrain Carbon fiber R2R3R4 Series has retractable spiked feet for outdoor photography The SIRUI R series tripod line is broken into two different categories - the conventional R1 and R2 series tripods offer many desirable features including: A Center Column locking collar with a special design that is very convenient to use - even while wearing gloves in cold weather. A tripod mounting plate with a double headed, reversible screw that accommodates 14" and 38" tripod sockets. A useful built-in bubble level to help properly align the tripod.