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Amazon.com : iShoot Lens Collar Support Tripod Mount Ring for Sigma 100- 400mm f/5-6.3 DG OS HSM Contemporary Lens, Bottom is ARCA Type Quick Release Plate Compatible with Tripod Ball Head of ARCA-Swiss/Kirk
![Amazon.com : iShoot Lens Collar Support Tripod Mount Ring for Sigma 100- 400mm f/5-6.3 DG OS HSM Contemporary Lens, Bottom is ARCA Type Quick Release Plate Compatible with Tripod Ball Head of ARCA-Swiss/Kirk Amazon.com : iShoot Lens Collar Support Tripod Mount Ring for Sigma 100- 400mm f/5-6.3 DG OS HSM Contemporary Lens, Bottom is ARCA Type Quick Release Plate Compatible with Tripod Ball Head of ARCA-Swiss/Kirk](https://m.media-amazon.com/images/I/51OLFnWYg6L._AC_UF894,1000_QL80_.jpg)
Amazon.com : iShoot Lens Collar Support Tripod Mount Ring for Sigma 100- 400mm f/5-6.3 DG OS HSM Contemporary Lens, Bottom is ARCA Type Quick Release Plate Compatible with Tripod Ball Head of ARCA-Swiss/Kirk
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