Newport AJSB-0.5 Adjustable Jack Screw Base – LOT OF 4

In general, it’s a precision support/leveling base designed for:

• Optical tables and breadboards
• Vibration isolation setups
• Laboratory and photonics mounting systems

What “0.5” usually indicates

In this series, the “0.5” commonly refers to the height or adjustment range variant (depending on configuration), meaning it’s one of the smaller-profile jack bases in the lineup.

Typical features

• Fine height adjustment via threaded screw
• High load capacity for its size
• Used for leveling optical components and experimental setups
• Compatible with standard Newport mounting patterns