Tripod Mount Ring for Canon EF 28-300mm f/3.5-5.6L is USM, Lens Collar Support for Canon EF 70-300mm f/4-5.6L is USM CNC, CNC Machined, Aviation Aluminum, Bottom is Camera Quick Release Plate

iShoot Tripod Mount Ring, 80mm Camera Lens Collar Support for Canon EF 28-300mm f/3.5-5.6L IS USM Lens and Canon EF 70-300mm f/4-5.6L IS USM Lens, Built-in ARCA-SWISS 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; split structure, built-in anti-skid patch, copper knob, stainless steel anti-skid nails; 3. The weight of the tripod mount ring is about 165g, inner diameter is about 80mm, ring width is about18mm; bottom quick release plate is about 76mm long, 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 28-300mm f/3.5-5.6L IS USM Lens Canon EF 70-300mm f/4-5.6L IS USM Lens Package Includes: 1 x iShoot Tripod Mount Ring IS-C730PB (The other items in the photos not listed here are for illustrating only, not included)

• 1. This lens collar is tailor-made for Canon EF 28-300mm f/3.5-5.6L IS USM lens and Canon EF 70-300mm f/4-5.6L IS USM lens, can?t be used for other lens; 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.
• 2. 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; the weight of the tripod mount ring is about 165g, inner diameter is about 80mm, ring width is about18mm; bottom is added quick release plate of about 76mm long, with 1/4" and 3/8" screw holes.
• 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-C730PB (The other items in the photos not listed here are for illustrating only, not included.)