7mm T2 extension (PrimaLuceLab, SKU: PL3304207) PrimaLuceLab opinie

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The T-2 / M42 × 0.75 – 7 mm Extension Tube (PrimaLuceLab, SKU: PL3304207 ) adds exactly 7 mm to the back-focus distance in optical paths using a T-2 thread, allowing precise adjustment of the distance between the camera and the corrector or flattener.

Key Features

• optical length 7 mm – back-focus micro-adjustment
• internal and external threads M42 × 0.75 (T-2 standard)
• lightweight anodized aluminum body - corrosion resistance

Set components

• spacer ring 7 mm M42 × 0.75 (T-2)

Technical parameters

• internal thread: M42 × 0.75
• external thread: M42 × 0.75
• optical length: 7 mm
• material: anodized aluminum
• EAN: 8059020773571

The PL3304207 ring is the ideal solution when exactly 7 mm is missing to achieve the nominal back-focus, ensuring correct image correction without introducing play or additional connectors.