IShoot Support 70 200Mm 100 400Mm 4 5 5 6L Review

1. This lens collar is tailor-made and Compatible with Canon EF 70-200mm f/2.8L USM, EF 70-200mm f/2.8L IS USM, EF 70-200mm f/2.8L IS II USM, EF 70-200mm f/2.8L IS III USM, EF 100-400mm f/4.5-5.6L IS USM, EF 35-350mm f/3.5-5.6L USM, EF 300mm f/4L IS USM, can't be used for other lens. 2. The net weight of the tripod mount ring is about 135g, inner diameter is about 78mm, the ring width is about 18mm; Bottom is added 65mm long quick release plate, with 1/4" and 3/8" screw holes; laser scanning technology is used to accurately obtain the lens parameters, and then the shape of the inner diameter of the lens support is accurately carved based on the data. 3. The tripod mount ring is made of high-density Aviation Aluminum; precisely machined by world-class high-end CNC turning center and hollowed-out carved by diamond combined cutter heads; adopting vibration polishing technology, which improves grinding precision by 20% than manual; multiple anodized, which improves the fineness and uniformity of the color of the metal surface by 10%; the appearance and exquisite workmanship is much better than similar products made by mold. 4. This lens support bottom is Arca-Swiss fit quick release plate, compatible with RRS / ARCA-SWISS / PMG / WIMBERLEY / MARKINS / PHOTOCLAM / SUNWAYFOTO / BENRO / SIRUI / MARSACE / ISHOOT tripod ball head of Arca 39mm fit, suitable for iShoot IS-JZ30 / IS-JZ50 / IS-JZ64 / IS-QJ58 / IS-QJ64-FD / IS-JZ60BK / IS-JZ70MFT / IS-JZ80BK clamp. 5. Pakage Includes: 1 x iShoot Tripod Mount Ring IS-C720XB (The other items in the photos not listed here are for illustrating only, not included.).