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PrimaLuceLab Esatto 3.5" Low Profile Adapter$150.00
If you are searching for the most precise but low profile robotic focuser to use the GSO/Orion/TPO Ritchey-Chretien 10, 12, 14 and 16 inches (both aluminum and carbon tubes) for astrophotography, this adapter allows you to connect ESATTO 3.5 LP to the M117 thread of these ...If you are searching for the most precise but low profile robotic focuser to use the GSO/Orion/TPO Ritchey-Chretien 10, 12, 14 and 16 inches (both aluminum and carbon tubes) for astrophotography, this adapter allows you to connect ESATTO 3.5 LP to the M117 thread of these telescope. Based on the camera and imaging train you want to connect, you may need extenders to reach the focus with your camera. Optical thickness of this adapter is just 3mm.