Gitzo G1329 Mk2 is a professional-grade, discontinued Mountaineer Series 3 carbon fiber tripod known for its exceptional stability and durability, even with heavy lenses. 
Key Specifications
• Material: Carbon fiber construction.
• Series: Mountaineer Series 3.
• Leg Sections: 3 sections.
• Maximum Height: Approximately 1.5 m (about 59 inches).
• Minimum Height: Approximately 0.64 m (about 25 inches).
• Load Capacity: It has a high load rating, with one user noting a 12 kg (about 26 lbs) rating on their model.
• Leg Locks: Features the G-lock system (or similar older twist locks). 
User & Expert Opinions
The Gitzo G1329 Mk2 is highly regarded in the photography community, particularly on the used market, where it is often seen as a great value for its performance. 
• Durability and Stability: Reviewers consistently praise its solid construction and stability, even with large telephoto lenses like an 800mm. One user noted that their 100 kg+ body weight was not enough to stress the tripod during testing.
• Build Quality: It's described as a well-made and reliable piece of equipment that is built to last.