Sirui K-40x Ball Head
- Price: $165.95
- Free Shipping (USA)
- In Stock
- B&H # SIBSRK40
- Mfr# BSRK40
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
The Sirui K-40x Ball Head is an extremely sturdy head with control knobs for pan, tilt, and tension, plus an Arca-style clamp for the included quick-release plate. The pan, tilt, and quick-release knobs are all separate, while the tension knob is integrated into the ball-locking (tilt) knob. The head tilts 90° for portrait orientation, and the quick-release plate features two pop-up pins that prevent camera twist when it's tilted 90°. There's also a video pin on the plate to keep camcorders from twisting.
The interior ball locking of the K-40x head has a sphere tolerance of 0.01mm, and it's equipped with an orientation-memory locking dial. This helps yield a high load capacity of 66 lb. The quick-release clamp features a secondary release button that prevents any inadvertent disengagement of the camera/plate from the clamp, thereby adding to the head's overall security & stability. The Arca-style platform conforms to standard sizes, so you can use compatible plates from other manufacturers.
The three control knobs allow a photographer to exercise extremely fine control over the orientation of the camera, whether it's a DSLR, 35mm, medium-format camera, or even a camcorder. Pan, for instance, can be adjusted while the tilt stays locked, enabling precise movement that's measurable – there are degree markers at the panning base for panoramic photography.
The K-40x is CNC-machined from an aircraft-grade aluminum alloy and anodized with an oxidation treatment that ensures a durable, high-quality finish.
- Arca-style quick-release clamp with secondary safety lock
- Two bubble levels (horizontal and vertical) on the quick-release platform ensure that your framing hews to the horizon in either portrait or landscape orientation
- The friction-control knob, integrated into the ball-locking knob, allows the operator to adjust the resistance of the ball's movement
- Quick-release plate is aluminum alloy with a rubberized surface
- Stainless steel camera screw
| 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) |
Quick Release Plates
- Price: $48.00
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