Metal Lens Collar Foot Tripod Mount Ring for Sigma Apo 120-400mm F4.5-5.6 DG OSM, Apo 80-400mm F4.5-5.6 EX OS Lens, 80-400mm F4.5-5.6 EX DG OS LENS

Metal Lens Tripod Mount Ring IS-SM1550 Improved from Sigma Ts-31
For Sigma AF AF AP 50-500MM F4.5-6.3 DG OSM Lens and SO on
Bottom is Arca Type Quick RELEASE PLATIE PLA> Compaible with Ball Head of RRS / Arca-Swiss / Kirk FEATURES: 1. Reference to Sigma Original Ts-31 Design and Optimized for This New Tripod Mount Ring, More Practical Than The Original Lens Collar, Improved Details, Quick Release Plate FEATURE IND;
2. Made of Aviation Aluminum, CNC Precisly Machined, Surface Anodic Oxidation, Unibody Design, Built-in Non-Slip Paster, with Copper Knob and Stainless Steel Andid Nail;
3. Net Weight is about 195g, Inner Diameter is about 85.5mm, Width is about 18mm; Bottom is quick release plate of 97.5mm long, Reserved with 1/4 and 3/8 Screw Holes;

4. Quick Release Plate is AS 39mm Standard, Compaible with RRS / Arca-Swiss / Kirk / Wimberley / Markins / SunwayFoto / Kangrinpoche / Sirui / Marsace / Ishoot Ball Head of Arca 39M Fit Fites, SUUTALOT / IS-JZ50 / IS-JZ64 / IS-QJ58 / IS-QJ64 / IS-QJ64-FD / IS-JZ60BK / IS-JZ70MFT / IS-JZ80BK Clamp.suitable for Sigma Lens (Referring To Sigma Original TS-31): AF AF APO 50- 500mm f4.5-6.3 DG OS HSM

AF APO 120-300mm f2.8 DG OSM
AF Apo 120-400mm f4.5-5.6 DG OSM
AF AF APO 150-500mm f5-6.3 DG OS HSM
Apo 50-500mm F4.5-6.3 DG OSM
APO 50-500mm F4-6.3 EX DG / HSM
Apo 50-500mm F4-6.3 EX RF / HSM
Apo 80-400mm f4.5-5.6 EX OS
Apo 80-400mm f4.5-5.6 EX DG OS
Apo 120-300mm F2.8 EX DG OSM
Apo 120-400mm f4.5- 5.6 DG OS HSM
Apo 150-500mm f5-6.3 DG OS HSMPACKAGE INCLUDING: 1 x Ishoot Lens Collar Support Tripod Mount Ring IS-SM1550
Included)