SunwayFoto DDY-64i Arca Swiss Compatible Discal Adapter Clamp

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The Sunwayfoto DDY-64i Disc Clamp is a circular Arca-style clamp that fits to just about any 3/8"-16 or 1/4"-20 threaded screw (a 1/4"-20 adapter bushing is included to convert the 3/8"-16 thread). An integrated bubble level allows you to ensure that your camera's position hews to the horizon.

With a diameter of 2.5", the DDY-64i fits many brands of ball heads, such as those from Arca-Swiss, Jobu, Really Right Stuff, and more. The clamp fits most Arca-style dovetail camera plates (plate and head not included). With the provided 6mm Allen screw, you can remove your head's existing clamp and replace with the DDY-64.


  • Name:Discal Clamp DDY-64i
  • Model:DDY-64i
  • Diameter: 64mm
  • Length: 81mm
  • Height: 15.5mm
  • Clamp: Screw-Knob
  • Thread: UNC3/8"
  • Weight: 80g



SUNWAYFOTO DDY-64i Discal Clamp, CNC cutting machine from light weight aircraft-grade aluminum, stain anodized surface finish for better abrasion and corrosion resistant. Compatible with all Arca-Swiss style plates.
Product Features:

  1. Hollow out design, lighter;
  2. Safety stop relief grooves for protecting your camera from accident drops;
  3. UNC3/8” mounting thread, can mount on tripod or monopod directly;
  4. Using two 1/4 camera screws, can be installed onto the top of indexing rotator DDP-64M/DDP-64S and leveling base DYH-90/DYH-90R for mounting camera quickly and conveniently;
  5. Ideal for ARCA-SWISS PO head.


  • 1x DDY-64i Discal Clamp