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Questions & Answers

FAQ

What is the maximum load capacity of the Sirui K-40II Ball Head?

The Sirui K-40II Ball Head can support a maximum load capacity of 77 lbs, making it suitable for a wide range of camera and lens combinations.

Does the Sirui K-40II Ball Head support panoramic photography?

Yes, the Sirui K-40II Ball Head features a 360-degree rotating base, making panoramic shots effortless and seamless.

What is the compatibility of the Sirui K-40II Ball Head?

The Sirui K-40II Ball Head is compatible with the Arca-Swiss system, providing versatility and convenience with the ability to use various quick-release plates.

Does the Sirui K-40II Ball Head have a safety feature to prevent accidental slippage?

Yes, the Sirui K-40II Ball Head includes a safety lock system designed to prevent accidental slippage of the quick release plate.

What is the purpose of the Aluminum Friction Control Knob on the Sirui K-40II Ball Head?

The Aluminum Friction Control Knob on the Sirui K-40II Ball Head allows for precise control, enabling smooth and effective locking and unlocking of the individual components.

Shopper : Why Did You Choose This?GEORGE S : Price and load capacity.JOE S : Performance and relatively lower cost.MARK B : I read a ball head comparison titled, Battle of the Titans. The Sirui had the best performance to price ratio.

Reviews about this item

Review Summary

2022-08-01T07:43:22

Rated 5 out of 5

Best ball head yet!

Best ball head I have had yet. Works perfectly!

SHANE H.

2020-02-11T07:45:54

Rated 5 out of 5

Outstanding

This ball head is 5 stars for every category. The fit, finish, design and construction of this ball head is professional grade. Add in the fact of what this can support in weight and it becomes a buy it once and have it forever ball head. I have this mounted on a Gitzo Systematic 5. The ball head fits the tripod like it was made specifically for it. I use a Nikon D850 with Sigma 60-600 lens. The weight of this combination in no match for this ball head. I set my position of the camera/lens combination, tighten the head and it stays right where I want it. No creep at all. An excellent product and highly recommended.

Yervant P.

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Sirui K40II Specifications

  • Material

    Aluminium

  • Color

    Black

  • Safety Lock

    Yes

  • Rotation

    360 Degree

  • Scale

    yes

  • Base Diameter

    2.9" (74mm)

  • Ball Diameter

    2.1" (54mm)

  • Height

    4.9" (124mm)

  • Load Capacity

    77.2 lbs (35kg)

  • Weight

    1.8 lb (0.8kg)

  • UPC Code

    6952060010243

About Sirui K40II

FEATURED REVIEWS

Best ball head yet!

By SHANE H.

Best ball head I have had yet. Works perfectly!

Outstanding

By Yervant P.

This ball head is 5 stars for every category. The fit, finish, design and construction of this ball head is professional grade. Add in the fact of what this can support in weight and it becomes a buy it once and have it forever ball head. I have this mounted on a Gitzo Systematic 5. The ball head fits the tripod like it was made specifically for it. I use a Nikon D850 with Sigma 60-600 lens. The weight of this combination in no match for this ball head. I set my position of the camera/lens c...

View full Review

Because precision and quality are paramount in photography, the Sirui K-40II Ball Head with Aluminum Friction Control Knob is meticulously designed and constructed to meet the highest standards. With a maximum tolerance of 0.01 mm between the ball and the bearing, this ball head ensures superior stability and precision. Crafted using high-end CNC milling techniques and finished with a high-quality surface, the K-40II Ball Head is both durable and reliable.

This ball head features a 360-degree rotating base, making panoramic shots effortless and seamless. The inclusion of three spirit levels allows for perfect alignment, ensuring your shots are always on point. The K-40II Ball Head is compatible with the Arca-Swiss system, providing versatility and convenience with the ability to use various quick-release plates.

Safety is a key feature of the K-40II Ball Head, with a safety lock system designed to prevent accidental slippage of the quick release plate. The precise control knobs allow for smooth and effective locking and unlocking of the individual components. The friction of the ball can be limited in the KII series, and a limit scale is included for easy reference.

With a maximum load capacity of 77 lbs, the K-40II Ball Head is suitable for a wide range of camera and lens combinations. Its 3/8"-16 tripod mount thread size ensures compatibility with a broad array of tripods. Whether you're a professional photographer or a videography enthusiast, the Sirui K-40II Ball Head with Aluminum Friction Control Knob offers the versatility, reliability, and quality you need to capture the perfect shot.

Sirui K40II Features

  • 360 Degree panorama function and vertical notch
  • Aluminium knobs for added durability
  • Easy and fast control of all knobs
  • Plate with 1/4" stainless steel screw - head assembly with 3/8" thread
  • Safety Lock - prevents slipping of the plate
  • Sliding Stopper - stops the camera slipping when in portrait mode
  • Spirit levels - horizontally and vertically
  • Quick release plate

Key Features

  • Precision-engineered ball head with a maximum 0.01 mm tolerance for enhanced stability
  • Full 360-degree rotation base enables smooth panoramic photography
  • Arca-Swiss system compatibility allows use of various quick-release plates
  • Triple spirit levels for accurate camera alignment and balanced shot composition
  • Robust aluminum friction control knob for precise adjustments and secure locking
  • High load capacity of 77 lbs suitable for heavy cameras and lens setups

What's in the box:

  • K-40II Ball Head
  • Quick-Release Plate
  • Sirui 1 Year Limited Warranty