iShoot Lens Collar Tripod Mount Ring B(W) CNC Machined for Canon EF 70-200mm f/2.8L USM/IS USM/IS II USM/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

• 1. This lens collar is tailor-made for Canon EF 70-200mm f/2.8L USM, Canon EF 70-200mm f/2.8L IS USM, Canon EF 70-200mm f/2.8L IS II USM, Canon EF 70-200mm f/2.8L IS III USM, Canon EF 100-400mm f/4.5-5.6L IS USM, Canon EF 35-350mm f/3.5-5.6L USM, Canon 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 AS standard 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. Package Includes: 1 x iShoot Tripod Mount Ring IS-C720XB (The other items in the photos not listed here are for illustrating only, not included.)

All-metal Lens Collar Support Tripod Mount Ring for Canon EF 70-200mm f/2.8L USM / IS USM / IS II USM / III USM Lens, Canon EF 100-400mm f/4.5-5.6L IS USM, Canon EF 35-350mm f/3.5-5.6L USM, Canon EF 300mm f/4L IS USM Lens Built-in Arca-Swiss Type Quick Release Plate for Tripod Ball Head Main Features: 1. The lens support is referencing to and modified from Canon original standard design, bearing is enhanced, details are improved, and added the features of quick release plate, more practical; 2. The lens collar is made of Aviation Aluminum, CNC precisely machined, surface anodic oxidation; integrated structure, built-in anti-skid patch, copper knob, stainless steel anti-skid nails; 3. The net weight of the tripod mount ring is about 135g, inner diameter is about 78mm, the ring width is about 18mm; bottom is 65mm length quick release plate, with 1/4" and 3/8" screw holes; 4. Quick release plate is AS 39mm standard, compatible with RRS / ARCA-SWISS / KIRK / WIMBERLEY / MARKINS / SUNWAYFOTO / KANGRINPOCHE / BENRO / SIRUI / MARSACE / ISHOOT ball head of Arca 39mm fit, suitable for iShoot IS-JZ30 / IS-JZ50 / IS-JZ64 / IS-QJ58 / IS-QJ64 / IS-QJ64-FD / IS-JZ60BK / IS-JZ70MFT / IS-JZ80BK. Applicable to: Canon EF 70-200mm f/2.8L USM Lens Canon EF 70-200mm f/2.8L IS USM Lens Canon EF 70-200mm f/2.8L IS II USM Lens Canon EF 70-200mm f/2.8L IS III USM Lens Canon EF 100-400mm f/4.5-5.6L IS USM Lens Canon EF 35-350mm f/3.5-5.6L USM Lens Canon EF 300mm f/4L IS USM Lens Package Includes: 1 x iShoot Tripod Mount Ring IS-C720XB (The other items in the photos not listed here are for illustrating only, not included)