70”/1.7m Carbon Fiber Travel Tripod Max Height,lightweight tripod 15kg/33.07lbs Load for DSLR Cameras A254C4+BH-35L (old model SA254C2)

SKU: KF09.098

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No, doesn't appear that you can. You can invert it to get lower to the ground if you'd like. 
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Please contact our customer service for replacement and support. 
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Yes, this tripod legs can be reversed by 180°. 
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It is at the bottom of the center column 
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The weight of the tripod with and without the head is 3lbs/1.4kg and 2.35lbs/1.1kg. 
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You can use any head you wish on this tripod as long as it uses 3/8" screw to connect tripods 
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Yes, you can use the tripod with K&F Concept "Arca Swiss Quick Release Plate Camera and Smartphone Mount CA02" to take video with an iphone 6s plus.