Sirui K-40x Ball Head

Model #BSRK40

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

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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.34921152
4 weeks ago
10/10

I needed to purchase a hefty tripod to support my Gimbal Head and my 200-500mm lens. While I was at it, I wanted a product that I could plop down in a stream without ruining it. I found my tripod in the Sirlui W2204, but now I needed a Ball Head for use with other lenses.

B h photo.34921152
16 February 2019
4.0/10

I bought this ball head in Jan. 2016. It has been used not many times. Recently it suddenly got stuck. No matter how I rotated the knob the ball is very hard to move, certainly not usable. The temperature here innorthern California was around 45F, not particularly cold.

B h photo.34921152
13 November 2018
10/10

The K-40x is a steady, smooth ball head. It takes no time to learn and works beautifully. Mine is mounted on an Oben tripod. Great combination. Holds my Nikkor 200-500mm with d850 mounted to it. To buy a second plate for mounting is a bit pricey. Otherwise, its a terrific ball head.

B h photo.34921152
12 November 2017
10/10

I can't praise this ballhead highly enough. Very solid, beautifully engineered and smooth. Attention to detail is sublime. I use it with a dslr and 300mm lens. No sign of slipping or droop even over long periods.

B h photo.34921152
24 February 2019
10/10

I purchased this ball head for my Sirui N2004SK tripod, and the pair is unbeatable. I live in Alaska and shoot wildlife, aurora borealis and landscapes, often with a long telephoto.

B h photo.34921152
3 weeks ago
10/10

This is a joy to use and to look at!!! Everything has a well finished look and the feel is solid. It tops my Robus CF-5570 off nicely too.

B h photo.34921152
18 April 2019
10/10

Just ordered this the other day to use on a Benro TAD27C tripod. This ball head will be for my Panasonic S1 and GH4 until I get a fluid head over time. So far the build quality is impressive, it has a solid weight/feel, the knobs feel great and they have identifiers on them to show how tight you...

B h photo.34921152
16 April 2019
10/10

Tried out the K-40X 1st night I got it and Im totally happy with it. Its smooth as butter and the precision was everything I was hoping for. I would definitely recommend the K-40X, the 2 ball on the K40 makes it very steady and smooth.

B h photo.34921152
2 April 2019
10/10

I recently purchased the Sirui K-40 to replace the Pan & Tilt head that came with my tripod Ive had for some time. The tripod is sturdy, but the head was so imprecise if aiming at a small target. It was difficult to get it right.

B h photo.34921152
9 November 2018
10/10

I bought this thinking the 70 pounds rating would be a nice overkill for my DSLR. Well, it may be too much of a good thing. I love the way it operates and feels. However I suspect I would be just as happy with the next size down for my application.

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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