Kirk NC-80-400 Replacement Lens Collar for Nikon 80-400mm AF-S Nikkor f4.5-5.6G ED VR
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Kirk LP-59N Quick Release Lens Plate for Canon 300mm f2.8 and Canon 400mm f4 (replacement foot)
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Kirk LP-63SG Replacement Lens Foot with Sure Grip for Nikon 400mm f2.8 AF-S E FL ED VR Lens
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Kirk LP-49 Quick Release Lens Plate for Canon 28-300mm f3.5-5.6 L IS USM and 70-300mm f4-5.6L IS USM
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Kirk LP-58 Quick Release Lens Plate for Canon 400mm f2.8 IS II USM and 500mm f4 IS II Lenses
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