The M48 × 0.75 – 9 mm extension tube (PrimaLuceLab, SKU: PL3304809 ) allows you to precisely correct the back-focus distance in the optical path when an additional 9 mm is required between the camera and the corrector or flattener.

Key Features

• 9 mm optical length – precise back-focus adjustment
• threads: internal and external M48 × 0.75 – compatible with most correctors and cameras
• full 2" aperture – no vignetting for APS-C sensors
• anodized aluminum body - lightweight and corrosion-resistant

Set components

• spacer ring 9 mm M48 × 0.75

Technical parameters

• internal thread: M48 × 0.75
• external thread: M48 × 0.75
• optical length: 9 mm
• material: anodized aluminum
• EAN: 8059020773618

The PL3304809 extension allows for quick back-focus adjustment when configuring flatteners, reducers or M48 filter systems, ensuring optimal image correction without unnecessary play.