What I can't understand about the arca swiss system is why most (if not all) of the arca swiss tripod heads, gimbals etc. are designed with the clamp front to back which is ideal for a LONG lens where the foot is front to back yet the camera plate, right angle plate etc. are side to side. Works if you also use a nodal plate but not everyone needs one as not everyone shoots panoramas (stitching images) and many that do rely on software to cope with any errors introduced by not using a nodal plate. I have searched for a neat plate to clamp turned 90 degrees or a square plate with slide groves on all four sides for a reasonable price
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This one costs £70.