The M48 × 0.75 – 5 mm spacer (PrimaLuceLab, SKU: PL3304805 ) adds exactly 5 mm to the back-focus distance, which may be necessary when adjusting correctors, flattens or filters mounted on an M48 thread.

Key Features

• 5 mm optical length – precise back-focus adjustment
• threads: internal and external M48 × 0.75 – wide compatibility
• full 2" aperture – no vignetting for APS-C matrices
• lightweight anodized aluminum body - corrosion resistance

Set components

• spacer ring 5 mm M48 × 0.75

Technical parameters

• internal thread: M48 × 0.75
• external thread: M48 × 0.75
• optical length: 5 mm
• material: anodized aluminum
• EAN: 8059020773595

The PL3304805 extension tube allows you to quickly adjust the back-focus in optical systems based on the M48 thread, ensuring correct image correction and sharpness in all corners of the frame.