 " Manfrotto 501PLONG Video Long Rapid Connect Mounting Plate "@en - Optics4Birding
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                            The Manfrotto 501PLONG rapid connect plate fits 501HDV and 701HDV video heads and extends the ability to balance cameras and spotting scopes.
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 "Canon ZSG-C10 Zoom Grip for CN-E18-80mm Lens" " Canon Lens – Pictureline