M56 15mm extension tube for ESATTO 2 (PrimaLuceLab, SKU: PL3600286) PrimaLuceLab opinie

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M56 × 1 extension tube 15 mm for ESATTO 2" (PrimaLuceLab, SKU: PL3600286 ) increases the working distance (back-focus) of the ESATTO 2" focuser by a precise 15 mm. The tube has an M56 × 1 external thread on one side and an M56 × 1 internal thread on the other, so it can be screwed between the focuser and any accessory (ARCO 2 rotator, corrector, camera) without losing axiality and mechanical stiffness.

Key Features

• 15 mm optical length – precise adjustment of the required back-focus
• Threads: M56 × 1 male (extractor side) / M56 × 1 female (accessory side)
• full internal diameter 50.9 mm – no vignetting for APS-C sensors
• CNC milled body made of 6061-T6 aluminum, hard anodized - lightweight and corrosion resistant
• blackened and grooved interior - reduced reflections, better contrast

Set components

• spacer sleeve 15 mm M56 × 1

Technical parameters

• input thread: M56 × 1 (female)
• output thread: M56 × 1 (male)
• optical length: 15 mm
• Inner diameter: 50.9 mm
• material: aluminum 6061-T6, anodized
• Compatibility: ESATTO 2" extractor and accessories with M56 × 1 thread
• EAN: 8059020773434
• manufacturer: PrimaLuceLab – Italy

PL3600286 is a fast and accurate solution when you need additional back-focus in an astrophotography setup with an ESATTO 2" focuser, while maintaining full aperture and mechanical stability of the entire system.