Sirui K-40x Ball Head

Model #BSRK40

Sirui bsrk40 1
Sirui bsrk40 1
Sirui bsrk40 2
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ON A BRAND NEW USA VERSION OF Sirui BSRK40

Lowest Price Online: $144.90

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average price online $144.95

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Specifications

General Information

Load Capacity 77 lb (35 kg)
Ball Sphere Diameter 2.13" (55mm)
Quick Release Yes, with Arca-style plate
Spirit Level Yes, 2
Tension Control Yes, integrated into tilt-control knob
Separate Panning Lock Yes
Pan 360°
Tilt 90°
Head to Tripod Mounting Thread 3/8"-16 Female
Camera Mount Plate 1/4"-20 Male
Height 4.92" (12.5 cm)
Maximum Diameter Not specified by manufacturer
Weight 1.54 lb (0.7 kg)
User Reviews
B h photo.32817553
17 November 2016
4.0/10

This is a good bang for the buck ball head for weights well under the specified 77.1lbs. I have a couple of specific uses that I need it to perform for:1. It must be able to happily hold a 400mm 2.8 with my d810 and grip. I doesn't. Both the plate and ball head drift don't work for me.

B h photo.32817553
24 September 2017
10/10

Works well, Quality built. I decided to save a little money by going with the K-40x instead of spending three times the money on another pro head. Simple, easy to use,and high quality.

B h photo.32817553
16 August 2017
10/10

Love this ball head mount. Holds a lot of weight stable on my tripod.

B h photo.32817553
8 August 2017
10/10

Very impressed and happy with this ball head, especially for the money. Extremely smooth and very solid. I put my new Sony FE 100-400 w/ 2X extender on it and shot the moon. Effectively 1200mm on my A6300.

B h photo.32817553
2 August 2017
10/10

The fit and finish has the same appearance and luxurious feel of my Really Right Stuff accessories. The Surui arca-style clamp works perfectly with my RRS Nikon camera plate. I am delighted with the quality.The ball movement has the same feel of high quality.

B h photo.32817553
27 May 2017
10/10

This ball head was an upgrade from a very basic Flashpoint ball head. Night and day difference. I had read several reviews comparing different ball heads and this one always got excellent reviews and for the price I'm happy I went with the Sirui. First thing I noticed is the quality of the item.

B h photo.32817553
3 May 2017
10/10

It is built solidly, with precision and no slop. The Arca-Swiss plate confidently secures the rig. No complaints so far.

B h photo.32817553
12 April 2017
10/10

Exceeds my expectations. As good as the national reviews suggested!

B h photo.32817553
5 April 2017
8.0/10

This ball head is solid. For example today I took a macro with a set of three extension tubes, a Canon 2x Mk3, and a 100L Macro 2.8. This is quite a long lens setup and I don't have a mount for the lens (at least not yet) so I connected all these using a RRS L bracket on the camera.

B h photo.32817553
23 March 2017
10/10

The fit & finish are perfect! It seems to be pretty strong unit; it holds my D750 & 70-200 f2.8 solidly.

Product Highlights
  • Knobs for Pan, Tilt & Tension
  • 77 lb Load Capacity
  • Quick-Release Plate with Anti-Twist Pins
  • Arca-Style Clamp for Quick Release
  • 90° Tilt, 360° Pan
  • CNC-Machined Aluminum Alloy
In The Box
  • Sirui K-40X Ball Head
  • Quick-Release Plate
  • Pouch
  • Allen Key
  • Limited 6-Year Warranty
Still Have Questions?
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