M48 spacer 0,5mm (PrimaLuceLab, SKU: PL3304800) PrimaLuceLab opinie

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The M48 × 0.75 – 0.5 mm spacer (PrimaLuceLab, SKU: PL3304800 ) enables ultra-precise back-focus correction by just 0.5 mm in optical paths based on the M48 thread.

Key Features

• optical length 0.5 mm – back-focus micro-adjustment
• internal and external threads M48 × 0.75 – wide compatibility
• full 2" aperture – no vignetting for APS-C matrices
• lightweight anodized aluminum ring – durability and corrosion resistance

Set components

• spacer ring 0.5 mm M48 × 0.75

Technical parameters

• internal thread: M48 × 0.75
• external thread: M48 × 0.75
• optical length: 0.5 mm
• material: anodized aluminum
• EAN: 8059020773649

The PL3304800 ring is ideal when the nominal back-focus distance is only half a millimeter, providing maximum sharpness and image correction in astrophotography.