M110 10mm extension tube for ESATTO 4 (PrimaLuceLab, SKU: PL3600376) PrimaLuceLab opinie

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M110 × 1 extension tube 10 mm for ESATTO 4" (PrimaLuceLab, SKU: PL3600376 ) increases the working distance (back-focus) of the ESATTO 4" focuser by a precise 10 mm. The tube has an external M110 × 1 thread on one side and an internal M110 × 1 thread on the other, so it can be screwed between the focuser and the attached accessory (corrector, rotator, adapter) without losing axiality or stiffness.

Key Features

• precise distance of 10 mm – easy adjustment of the total back-focus of the optical system
• M110 × 1 male thread (extractor side) / M110 × 1 female thread (accessory side)
• full 96mm internal diameter – no vignetting for full frame sensors
• CNC milled 6061-T6 aluminum, hard anodized - lightweight and corrosion resistant
• blackened, grooved interior - reduced reflections, better contrast

Set components

• spacer sleeve 10 mm M110 × 1

Technical parameters

• input thread: M110 × 1 (female)
• output thread: M110 × 1 (male)
• optical length: 10 mm
• Inner diameter: 96 mm
• material: aluminum 6061-T6, anodized
• Compatibility: ESATTO 4" extractor and accessories with M110 × 1 thread
• EAN: 8059020774608
• manufacturer: PrimaLuceLab – Italy

The PL3600376 is a simple yet precise way to achieve accurate back-focus in astrophotography setups with an ESATTO 4" focuser, without compromising on aperture or mechanical stability.