What the thread found

• The G-50 arm did not have extension posts available from the manufacturer at the time of this discussion, unlike the G-70 which had 3-inch, 6-inch, and 9-inch extensions.
• Tiffen was developing an interchangeable post system for G-50 arms that would eventually be available as a retrofit kit, featuring posts in multiple diameters and drag control functionality.
• Extension posts can be either replacement posts or sleeves that extend over the existing post to increase reach.

Depends on

• The interchangeable post system availability timeline was uncertain as of 2008.
• The discussion does not reach a conclusion about the specific design, materials, or construction method for DIY extensions.
• No specifications are provided for post dimensions or material requirements.

Gear in this thread

G-70catalog

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