Wimberley AP-601 Quick Release Replacement Foot for Canon EF 400mm f/2.8 L IS III USM

Wimberley AP-551 Replacement Foot for Nikon AF-S 180-400 f/4.0 FL VR $38 Wimberley AP-606 Quick Release Foot for Canon RF 200-800mm f/6.3-9 $51

Canon Tripod Mount Ring A II(WII) for 70-200mm f/4 L IS II USM Lens $295 Nikon AF-S NIKKOR 70-200mm f/2.8 E FL ED VR Autofocus Lens $716 Canon Tripod Mount Ring C(W II) for 70-300mm f/4-5.6 L IS USM Lens $95 Tamron SP 150-600mm f/5-6.3 DI VC USD G2 AF Lens For Nikon $319 Sigma 70-200mm f/2.8 APO DG EX HSM OS Autofocus Lens for Nikon $144 Canon Tripod Mount Ring B(B) for Canon MP-E 65mm f/2.8 1-5x Macro 100mm f/2.8 USM Macro (Requires 100 ADAPT) 180mm f/3.5L USM Lens $280 Manfrotto Befree Advanced Travel Aluminum Alloy Tripod $35 Leica Small Ball Tripod Head $10