ECCO-NTC ADAPTER FOR CELESTRON DEW HEATER RINGS Optiques Fullum M33 by Vincent Cheng |

M33 by Vincent Cheng | Optolong L-QEF

5" flatteners has male M63 x 1 threads on each side and can be used to connect the Sharpstar 2

and QHY294M/C

On the rear there is a 360 degree rotator with fine rotation angle markings for precise framing

ECCO-NTC ADAPTER FOR CELESTRON DEW HEATER RINGS Optiques Fullum M33 by Vincent Cheng |The Prima Luce Lab ECCO NTC adapter allows you to use the ECCO 2 environmental computerized controller with Celestron dew heater rings. Celestron dew heater rings differ from standard dew heater straps, as they utilize an NTC thermistor to measure temperature of Schmidt Cassegrain or aplanatic SC telescopes' corrector plate without the need for an external temperature probe. By using the ECCO 2 environmental controller in combination with these rings,