Brand: iShoot

iShoot Lens Collar Tripod Mount Ring IS-SM1630 
Compatible with Sigma 16-300mm F3.5-6.7 DC OS (E / X / L / RF Mount)
Bottom is 39mm Arca Fit Quick Release Plate Feature, 
Compatible with RRS / ARCA-SWISS Fit Tripod Head Clamp & Arca Fit Stabilizer

Main Features:

1.  The lens collar IS-SM1630 can be combined with clamp mount converter IS-3950PRO (Sold Separately), which can be used for fluid heads and stabilizers with Manfrotto 50 structure;

2. The tripod ring is made of Aviation Aluminum, CNC precisely machined, hollow-out weight reduction design, polished and surface anodized finish. The appearance and exquisite workmanship are much better than similar products made by mold.

Compatible with Sigma Lens:
16-300mm F3.5-6.7 DC OS (E / X / L / RF Mount)

Tips: There should be no stickers on the installation position of the lens. If there are, they should be removed, otherwise the installation will be affected.

Package Includes:
1 x iShoot Tripod Mount Ring IS-SM1630 Compatible with Sigma 16-300mm F3.5-6.7 DC OS (E / X / L / RF Mount)

(Note: The other items in the photos not listed here are for illustrating only, not included)

• 1. The lens collar is tailored to the lens structure, only compatible with Sigma 16-300mm F3.5-6.7 DC OS (E / X / L / RF Mount)lens; the mounting position is close to the middle of the lens, avoiding the switch;
• 2. The inner wall of the lens ring is pasted with PVC film; the installation position is tightly bonded; there should be no stickers at the installation position, if there is, it should be removed, otherwise it will affect the installation;
• 3. When installing, release the knob first, then align the positions, gently snap in, lock it slowly; the tripod ring cannot be rotated on the lens, and can only be shot horizontally, not vertically
• The installation position is close to the middle of the lens, which does not affect the grip of the camera, and does not affect the installation of camera cages or vertical quick release plate;
• 4. The bottom of the plate is improved with new design, which is also compatible with the handheld stabilizer with the same structure of Arca-Swiss;
• 5. The tripod collar is added 55mm long 39mm Arca fit quick release plate, can be used with 39mm Arca-Swiss fit tripod head and clamp directly; reserved with 1/4" and 3/8" screw holes and QD hole, and stainless-steel anti-slip screws for fixing lens to tripod directly.