The Sunwayfoto DDC-60 Screw Knob Clamp (60mm) is an all-metal 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). Or attach it to many ball heads via the included slot screw. An integrated bubble level allows you to ensure that your camera's position hews to the horizon.

With a width of 2.08" and a length of 2.36", the DDY-64 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).

Arca-Style Clamp    All-Metal Construction    2.36" Long    Mounts to Any 3/18"-16 or 1/4"-20 Screw    Fits Many Ball Head Brands    Bubble Level

Related Questions and Answers

Q: 1. The box includes any screw to fix the clamp to ball head?

A: There are no screws included in the box. The RRS clamp has one 3/8-16 female thread and 2 1/4-20 threads.

Q: 2. Can the quick release clamp be replaced by the Sunwayfoto DDC-60L Screw-Knob Dovetail Clamp? Is the DDC-60L longer than the clamp included here?

A: Yes . The length will be approximately the same

Q: 3. Can this be fixed on a Sirui L20S Monopod / Tripod head...?

A: Yes it will technically screw onto the top of the sirui baseplate but it will be off center.

Q: 4. Has anyone used this with a gimbal? Specifically the ronin S? I’m wondering about the weight causing problems or the clamp interfering.

A: As long as the added weight plus your camera and lens are less than the max load capacity of the Ronin S, then it will work fine.

Q: 5. Can this RRS 60mm full-size leaver clamp be mounted onto a RRS BH-40 ball head?

A: If you already have a -20 x 3/4 Flat head screw, there should no problem. If you dont, get one.Or you could choose B2-AS-II-1/4-20 instead.

Q: 6. Will this clamp fit on a Manfrotto BHQ2 ?

A: The Really Right Stuff B2-LR-II Lever-Release Clamp (60mm) could be mounted onto the quick release plate of the Manfrotto BHQ2, with a 3/8" bushing adapter.

Q: 7. Is there any way to adjust opened (or closed) size of that clamp ? I saw other brands have extra adjustment screw for fine tuning. What about this one ?

A: No there is no adjustment, I have numerous ones and have never had a problem with it becoming too lose. The clamp must be completely open to place a camera or lense in it. With the clamp half open you can only slide the lense forward or backward for balance.You want to make sure you have the stopping screws in on the lense plate or the lense/camera could fall out of the clamp when it is half open. Also, when stopping screws are in the lense plate they are the reason the clamp must be completely open so that the lense plate can be dropped in. They are the reason you can not slide the lense plate into the clamp with it only half open.

Q: 8. Does this clamp mount correctly on the Markins Q10i ball head? And does it work with non RRS plates?

A: Yes, the RRS B2-LR-II Lever-Release Clamp is compatible with the Markins Q10i ball head. Most Arca-style plates are compatible, not only RRS plates.

Q: 9. Hi can i replace this with the one i have as knobe on ballhead55!?

A: You have to use the RRS BH-55 ballhead. I am using the 80mm clamp and it is much more positive than the Arca Swiss.

Q: 10. Is this work on Manfrotto MSQ6PL?

A: Yes, this would work with that plate.