The M110 → M95 (female) adapter for ESATTO 4" (PrimaLuceLab, SKU: PL3600319 ) allows you to attach accessories with an M95 × 1 male thread to the ESATTO 4" focuser, which has a front thread of M110 × 1 diameter. The adapter improves compatibility with focal reducers, correctors or filter wheels operating in the M95 standard, and the integrated stop-ring allows you to precisely set and lock the screw-in depth, facilitating total back-focus control.
• Thread conversion: input M110 × 1 (ESATTO 4") → output M95 × 1 (female)
• stop ring – precise position adjustment and secure adapter lock
• full internal diameter 95 mm – no vignetting on full frame sensors
• CNC milled 6061-T6 aluminum, hard anodized - lightweight, stiff and resistant construction
• blackened, grooved interior - effective reduction of reflections and improvement of contrast
• adapter M110 → M95 with stop ring
• Allen screw locking the ring
• input thread: M110 × 1 (female)
• output thread: M95 × 1 (female)
• optical length: 7 mm
• Inner diameter: 95 mm
• material: aluminum 6061-T6, black anodized
• Compatibility: ESATTO 4" extractor and accessories with M95 × 1 thread
• EAN: 8059020773748
• manufacturer: PrimaLuceLab – Italy
The PL3600319 is a precise and robust solution for astrophotographers who need to combine the wide ESATTO 4" extension tube with M95 accessories, while maintaining full aperture and the possibility of precise back-focus setting.

