3" VISUAL BACK FOR ESATTO 3" & ARCO 3" PLL15 5” LP low profile robotic

5” LP low profile robotic microfocuser - main features:

ready to work in any temperature condition

2 mm Focal length 1624 mm Focal ratio f/8 Linear obstruction 85 mm Corrected field APS-C Backfocus distance 159 mm with standard focuser

When using a CENTAURUS II tripod

3" VISUAL BACK FOR ESATTO 3" & ARCO 3" PLL15 5” LP low profile roboticThis adapter allows to connect an accessory with a 3" nosepiece to the M81 thread of the Prima Luce Lab ESATTO 3" robotic focuser or ARCO 3" robotic rotator. It incorporates a compression brass ring that avoids scratching the accessory barrel. Three locking screws tightly secure any heavy 3" accessory. Optical thickness of the adapter is 12. 5mm. Specifications Material Aluminium Optical thickness 12. 5mm Thread on the focuser side Male M81 x 1 SKU