Really Right Stuff B76 SOAR Multi-Use QR Fore-Aft Plate for Spotting Scopes RRS-9000470
IN STOCK
$61.99

The H50 is a 51mm tall adapter that accepts 3/8th mounting. There is a 3/8th stud on top and a 3/8th mounting socket on the bottom. It's made of black anodized 6061-T6 aluminum.
H50-Leofoto
6940828305748
H50
Leofoto