Inner-hole and cylindrical dimension : IT6
Roundness: 0.01-0.02
Axiality: 0.006-0.015
Length and space: 0.01
Planeness and perpendicularity: 0.01
Maching specification: c6 ~200
Surface roughness: aluminum alloy Ra 0.4, brass alloy Ra 0.3.
All kinds of lens barrel can be customized according to customer’s drawings.
