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Updated
Pros
  • Comfortable fit
  • Secure weight system
  • Durable
  • Highly durable
  • High-lift capacity
  • Ample storage
Cons
  • Heavier than some models
  • Higher price point
  • Heavy
  • More complex to use
Bottom Line
The Aqua Lung Axiom BCD offers unmatched comfort and stability. Its durable construction and ergonomic design make it a top choice for divers seeking a reliable BCD for various diving conditions.
The Hollis HD200 Tech BCD is designed for technical divers, offering robust features and high durability. Its advanced design supports the needs of demanding dive conditions.
Weight
8 lbs
9 lbs
Lift Capacity
25-55 lbs
40-60 lbs
Material
ResisteK material
1000 Denier Nylon
Height
6 inches
9.1 inches
Length
24 inches
19.9 inches
Weight
3.2 Pounds
11.25 pounds
Width
12 inches
17.3 inches
Part Number
BC1320110LParent
208.1151

When it comes to scuba diving, having the right equipment is crucial for a safe and enjoyable experience. Two popular products that cater to this need are the Aqua Lung Axiom and the Hollis HD200, both of which fall under the category of buoyancy compensators (BCs). Buoyancy compensators are essential components of a scuba diver's gear, as they allow divers to control their buoyancy underwater, making it easier to descend, ascend, and hover at specific depths. In this comparison, we'll delve into the features, design, and performance of both the Aqua Lung Axiom and the Hollis HD200 to help you decide which one suits your diving needs.

Design and Construction

The Aqua Lung Axiom is designed with a focus on comfort and flexibility. It features a wrap-around jacket style that provides excellent support and stability, making it suitable for divers of all levels. The Axiom's bladder is made from a durable, abrasion-resistant material that ensures longevity and reliability. Additionally, the BC has a sleek and streamlined design, which helps reduce drag and improves swimming efficiency.

On the other hand, the Hollis HD200 boasts a more minimalist approach to its design. It features a rear-inflation style, which provides a more streamlined profile and reduces the bulkiness often associated with traditional jacket-style BCs. The HD200's bladder is also made from a high-quality material that offers excellent durability and resistance to abrasion. The Hollis HD200 is designed for technical diving, making it an ideal choice for experienced divers who require a reliable and efficient BC.

Buoyancy Control

Both the Aqua Lung Axiom and the Hollis HD200 offer excellent buoyancy control, which is essential for safe and comfortable diving. The Axiom features a patented Aqua Lung system that allows for smooth and precise inflation and deflation of the bladder. This system also includes a unique "self-flushing" mechanism that helps to prevent air from becoming trapped in the BC.

The Hollis HD200, on the other hand, utilizes a rear-inflation design that provides a more linear and predictable buoyancy response. The HD200's inflation and deflation system is also designed for ease of use, with a simple and intuitive control layout that allows divers to make quick adjustments as needed.

Weight Integration

Both BCs offer integrated weight systems, which allow divers to easily manage their weights and streamline their diving configuration. The Aqua Lung Axiom features a Quick-Fit weight system, which enables divers to quickly and easily add or remove weights as needed. This system also includes a unique "trim-weight" pocket that allows for fine-tuning of the BC's buoyancy.

The Hollis HD200, meanwhile, features a more traditional weight integration system, with pockets located on either side of the BC. While this system may not be as sleek or streamlined as the Axiom's Quick-Fit system, it still provides reliable and secure weight management.

Additional Features

Both the Aqua Lung Axiom and the Hollis HD200 offer a range of additional features that enhance their performance and functionality. The Axiom includes a built-in knife attachment point, as well as a convenient pocket for storing small accessories such as a dive light or signal mirror.

The Hollis HD200, on the other hand, features a more minimalist approach to its design, with fewer bells and whistles but a focus on reliability and durability. The HD200 does include a unique "ditchable" weight system, which allows divers to quickly release their weights in an emergency situation.

Conclusion

In conclusion, both the Aqua Lung Axiom and the Hollis HD200 are high-quality buoyancy compensators that offer excellent performance and functionality. While the Axiom is geared towards recreational diving and emphasizes comfort and flexibility, the HD200 is designed for technical diving and prioritizes reliability and efficiency.

Ultimately, the choice between these two BCs will depend on your individual diving needs and preferences. If you're a recreational diver looking for a comfortable and easy-to-use BC, the Aqua Lung Axiom may be the better choice. However, if you're an experienced technical diver who requires a reliable and efficient BC for complex dives, the Hollis HD200 is likely the better option.

Regardless of which BC you choose, it's essential to remember that buoyancy compensators are critical components of your scuba diving gear, and selecting the right one can make all the difference in ensuring a safe and enjoyable diving experience.